<!doctype html public "-//IETF//DTD HTML//EN">
<HTML>
<HEAD>
<TITLE>_</TITLE>
<META NAME="author" CONTENT="eroberts">
<META NAME="date" CONTENT="10/31/2005">
</HEAD>
<BODY style="line-height:12pt; font-size:10pt; color:#000000">
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><B><BR></B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>SECURITIES AND EXCHANGE COMMISSION</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>Washington, D. C. &nbsp;20549</B></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><B><BR></B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>FORM S-8</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>REGISTRATION STATEMENT UNDER</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>THE SECURITIES ACT OF 1933, AS AMENDED</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><B><BR></B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>OPPENHEIMER HOLDINGS INC.</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>(Exact name of Issuer as Specified in its Charter)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; text-indent:36pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>Canada &nbsp;&nbsp;&nbsp;&nbsp;98-0080034</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>(State or Other Jurisdiction of &nbsp;&nbsp;&nbsp;(I.R.S. Employer</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Incorporation or Organization) &nbsp;&nbsp;&nbsp;Identification No.)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>P.O. Box 2015, Suite 1110</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>20 Eglinton Avenue West</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>Toronto, Ontario, Canada &nbsp;M4R 1K8</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>(Address, including zip code, of registrant&#146;s principal executive office)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><B>OPPENHEIMER &amp; CO. INC. 401(K) PLAN</B></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>(Full title of the plan)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Elaine K. Roberts</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Oppenheimer Holdings Inc.</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>P.O. Box 2015, Suite 1110</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>20 Eglinton Avenue West</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Toronto, Ontario, Canada M4R 1K8</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Telephone (416) 322-1515</P>
<P style="margin:0pt; padding-bottom:3pt; line-height:14pt; font-family:Times New Roman; font-size:12pt; border-bottom:1.5pt solid #000000" align=center>(Name, address and telephone number, including area code, of agent for service)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><U><BR></U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><U>Calculation of Registration Fee</U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Proposed</P>
<P style="margin:0pt; text-indent:252pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Proposed</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">maximum</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:252pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">maximum</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Amount of</P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Title of Securities</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:108pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Amount to</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">offering price</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:252pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">aggregate</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">registration</P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>to be Registered (1)</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:108pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>be registered</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>per share (1)</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:252pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>offering price</U></P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fee (1) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Class A non-voting</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:108pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">180,000</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">$18.60</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:252pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">$3,348,000</P>
<P style="margin:0pt; text-indent:360pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">$394.06</P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">shares</P>
<P style="margin:0pt; text-indent:108pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; padding-left:14.15pt; text-indent:-14.15pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">(1) </P>
<P style="margin:0pt; padding-left:14.15pt; text-indent:21.85pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Pursuant to Rule 457(c) and (h) under the Securities Act of 1933, the proposed maximum offering price per share and the registration fee relating to the Common Stock being registered have been based on the average of the high and low prices of the Common Stock as reported by The New York Stock Exchange on October 28, 2005.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><U><BR></U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><U><BR>
<BR></U></P>
<P style="page-break-before:always; margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>EXPLANATORY NOTE</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">This Registration Statement relates to additional shares of Class A non-voting shares (the &#147;Class A Shares&#148;) of Oppenheimer Holdings Inc., a Canadian corporation (the &#147;Company&#148;), to be offered and sold to the Oppenheimer &amp; Co. Inc. 401(k) Plan (the &#147;Plan&#148;). A registration statement (the &#147;Plan Registration Statement&#148;) relating to Class A Shares to be offered and sold to the Plan was filed with the Securities and Exchange Commission (the &#147;SEC&#148;) on December 16, 2003 &nbsp;(No. 333-101841).</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">On May 9, 2005, the Class A and Class B shareholders voted to approve increasing the number of Class A Shares of the Company available to the Plan at the closing price per share on the New York Stock Exchange of the Class A Shares on the date of issue by 180,000 shares.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">In accordance with General Instruction E to Form S-8, the Plan Registration Statement is incorporated herein by reference and made a part hereof.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR>
<BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">2</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="page-break-before:always; margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>SIGNATURES</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Pursuant to the requirements of the Securities and Exchange Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Toronto, Canada, on this 28th day of October, 2005.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">OPPENHEIMER HOLDINGS INC.</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">(Registrant)</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">By:<U> /s/ E. K. Roberts</U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;E. K. Roberts, </P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;President, Treasurer,</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Chief Financial Officer</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR>
<BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">3</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="page-break-before:always; margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>POWER OF ATTORNEY</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Each person whose signature appears below hereby constitutes and appoints Elaine K. Roberts, his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and his name, place and stead, in any and all capacities, to sign any or all amendments or supplements to this Registration Statement and to file the same with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing necessary or appropriate to be done with respect to this Registration Statement or any amendments or supplements hereto in the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>Signature</U></P>
<U><P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Title</U></P>
<U><P style="margin:0pt; text-indent:360pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Date &nbsp;</U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><U><BR></U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/ A. G. Lowenthal</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Chairman of the Board,</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><A NAME="OLE_LINK1"></A>October 28, 2005</P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">A. G. Lowenthal</P>
<P style="margin:0pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Chief Executive Officer,</P>
<P style="margin:0pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/ E. K. Roberts</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">President, Treasurer,</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">E. K. Roberts</P>
<P style="margin:0pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Chief Financial Officer,</P>
<P style="margin:0pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/A. W. Oughtred</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Secretary, Director</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">A. W. Oughtred</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/J. L. Bitove</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">J.L. Bitove</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/R. Crystal</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">R. Crystal</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>/s/K. W. McArthur</U></P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:144pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; text-indent:324pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">K.W. McArthur</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">____________</P>
<P style="margin-top:0pt; margin-bottom:-14pt; text-indent:180pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Director</P>
<P style="margin:0pt; text-indent:360pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">October 28, 2005</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">B. Winberg</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR>
<BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">4</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="page-break-before:always; margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Pursuant to the requirements of the Securities Act of 1933, as amended the trustees (or other persons who administer the employee benefit plan) have duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 28th day of October, 2005.</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">OPPENHEIMER &amp; CO. INC. 401(k) PLAN</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">BY:<U> /s/ A.G. Lowenthal</U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">A.G. Lowenthal, as Chairman and CEO of</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Oppenheimer &amp; Co. Inc., the Plan Adminstrator </P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">BY<U>:/s/ R. Neuhoff </U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">R. Neuhoff, as Executive Vice-President of</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Oppenheimer &amp; Co. Inc., the Plan Adminstrator</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><U><BR></U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt" align=center><BR>
<BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">5</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="page-break-before:always; margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><U>INDEX TO EXHIBITS</U></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Exhibits designated by an asterisk have been heretofore filed by the Company pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended and are hereby incorporated herein by reference to the pertinent prior filing.</P>
<TABLE style="font-size:10pt" cellspacing=0><TR><TD valign=top width=91.2><P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><U><BR></U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>Exhibit No.</U></P>
</TD><TD valign=top width=336><P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><U><BR></U></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt"><U>Description of Exhibit</U></P>
</TD><TD valign=top width=138><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>Sequentially</P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center><U>Numbered Page</U></P>
</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">4(a)</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Articles of Incorporation of Oppenheimer Holdings Inc., (formerly known as Fahnestock Viner Holdings Inc.) (previously filed as an exhibit to Form 10-Q for quarterly period ended June 30, 2005).</P>
</TD><TD valign=top width=138><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>*</P>
</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">4(b)</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Oppenheimer &amp; Co. Inc. 401(k) Plan (formerly &nbsp;known as &nbsp;Fahnestock &amp; Co. Inc. 401(k) Plan) (including Trust Provisions) (previously filed as an </P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">exhibit to the Company&#146;s registration statement on Form S-8 (no.333-22459)).</P>
</TD><TD valign=top width=138><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>*</P>
</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">5</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Opinion of Borden Ladner Gervais LLP regarding the legality of any original issuance of common stock being registered.</P>
</TD><TD valign=top width=138>&nbsp;</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">23(a)</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Consent of PricewaterhouseCoopers LLP</P>
</TD><TD valign=top width=138>&nbsp;</TD></TR>
<TR><TD valign=top width=91.2><P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">23(b)</P>
<P style="margin:0pt; text-indent:36pt; font-family:Times New Roman; font-size:12pt"><BR></P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Consent of PricewaterhouseCoopers LLP (401(k) Plan)</P>
</TD><TD valign=top width=138>&nbsp;</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">23(c)</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Consent of Borden Ladner Gervais LLP (included in Exhibit 5)</P>
</TD><TD valign=top width=138>&nbsp;</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">24</P>
</TD><TD valign=top width=336><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Power of Attorney (included on the signature pages of the registration statement)</P>
</TD><TD valign=top width=138>&nbsp;</TD></TR>
<TR><TD valign=top width=91.2><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">99</P>
</TD><TD valign=top width=336><P style="margin-top:0pt; margin-bottom:-14pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">Financial Statements and Supplemental Information for the Oppenheimer &amp; Co. Inc. 401(k) Plan for the year ended December 31, 2004 (previously filed as an exhibit to the Plan&#146;s annual report on Form 11-K for the plan year ended December 31, 2004))</P>
<P style="margin:0pt; text-indent:51006.435pt; font-family:Times New Roman; font-size:12pt"><BR></P>
</TD><TD valign=top width=138><P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt" align=center>*</P>
</TD></TR>
</TABLE>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; text-indent:180pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; text-indent:72pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; text-indent:36pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; text-indent:108pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR>
<BR></P>
<P style="margin:0pt; line-height:14pt; font-family:Times New Roman; font-size:12pt">6</P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
<P style="margin:0pt; font-family:Times New Roman; font-size:12pt"><BR></P>
</BODY>
</HTML>
[{"type": "S-8", "sequence": "1", "filename": "a401k05.htm", "secsgml_size_bytes": 28959}]
{"company-data": {"conformed-name": "OPPENHEIMER HOLDINGS INC", "cik": "0000791963", "assigned-sic": "6211", "irs-number": "980080034", "state-of-incorporation": "A6", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-129390", "film-number": "051172576"}, "business-address": {"street1": "SUITE 1110, P.O. BOX 2015", "street2": "20 EGLINTON AVE. WEST", "city": "TORONTO", "state": "A6", "zip": "M4R 1K8", "phone": "(416)322-1515"}, "mail-address": {"street1": "PO BOX 2015 SUITE 1110", "street2": "20 EGLINTON AVENUE WEST", "city": "TORONTO", "state": "A6", "zip": "M4R 1K8"}, "former-company": [{"former-conformed-name": "FAHNESTOCK VINER HOLDINGS INC", "date-changed": "19950725"}, {"former-conformed-name": "VINER E A HOLDINGS LTD", "date-changed": "19880622"}, {"former-conformed-name": "GOLDALE INVESTMENTS LTD", "date-changed": "19861030"}]}
_
SECURITIES AND EXCHANGE COMMISSION
Washington, D. C.  20549
FORM S-8
REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933, AS AMENDED
OPPENHEIMER HOLDINGS INC.
(Exact name of Issuer as Specified in its Charter)
Canada     98-0080034
(State or Other Jurisdiction of    (I.R.S. Employer
Incorporation or Organization)    Identification No.)
P.O. Box 2015, Suite 1110
20 Eglinton Avenue West
Toronto, Ontario, Canada  M4R 1K8
(Address, including zip code, of registrant's principal executive office)
OPPENHEIMER & CO. INC. 401(K) PLAN
(Full title of the plan)
Elaine K. Roberts
Oppenheimer Holdings Inc.
P.O. Box 2015, Suite 1110
20 Eglinton Avenue West
Toronto, Ontario, Canada M4R 1K8
Telephone (416) 322-1515
(Name, address and telephone number, including area code, of agent for service)
Calculation of Registration Fee
Proposed
Proposed
maximum
maximum
Amount of
Title of Securities
Amount to
offering price
aggregate
registration
to be Registered (1)
be registered
per share (1)
offering price
fee (1)
Class A non-voting
180,000
$18.60
$3,348,000
$394.06
shares
(1)
Pursuant to Rule 457(c) and (h) under the Securities Act of 1933, the proposed maximum offering price per share and the registration fee relating to the Common Stock being registered have been based on the average of the high and low prices of the Common Stock as reported by The New York Stock Exchange on October 28, 2005.
EXPLANATORY NOTE
This Registration Statement relates to additional shares of Class A non-voting shares (the "Class A Shares") of Oppenheimer Holdings Inc., a Canadian corporation (the "Company"), to be offered and sold to the Oppenheimer & Co. Inc. 401(k) Plan (the "Plan"). A registration statement (the "Plan Registration Statement") relating to Class A Shares to be offered and sold to the Plan was filed with the Securities and Exchange Commission (the "SEC") on December 16, 2003  (No. 333-101841).
On May 9, 2005, the Class A and Class B shareholders voted to approve increasing the number of Class A Shares of the Company available to the Plan at the closing price per share on the New York Stock Exchange of the Class A Shares on the date of issue by 180,000 shares.
In accordance with General Instruction E to Form S-8, the Plan Registration Statement is incorporated herein by reference and made a part hereof.
2
SIGNATURES
Pursuant to the requirements of the Securities and Exchange Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Toronto, Canada, on this 28th day of October, 2005.
OPPENHEIMER HOLDINGS INC.
(Registrant)
By:
/s/ E. K. Roberts
E. K. Roberts,
President, Treasurer,
Chief Financial Officer
3
POWER OF ATTORNEY
Each person whose signature appears below hereby constitutes and appoints Elaine K. Roberts, his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and his name, place and stead, in any and all capacities, to sign any or all amendments or supplements to this Registration Statement and to file the same with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing necessary or appropriate to be done with respect to this Registration Statement or any amendments or supplements hereto in the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ A. G. Lowenthal
Chairman of the Board,
October 28, 2005
A. G. Lowenthal
Chief Executive Officer,
Director
/s/ E. K. Roberts
President, Treasurer,
October 28, 2005
E. K. Roberts
Chief Financial Officer,
Director
/s/A. W. Oughtred
Secretary, Director
October 28, 2005
A. W. Oughtred
/s/J. L. Bitove
Director
October 28, 2005
J.L. Bitove
/s/R. Crystal
Director
October 28, 2005
R. Crystal
/s/K. W. McArthur
Director
October 28, 2005
K.W. McArthur
____________
Director
October 28, 2005
B. Winberg
4
Pursuant to the requirements of the Securities Act of 1933, as amended the trustees (or other persons who administer the employee benefit plan) have duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 28th day of October, 2005.
OPPENHEIMER & CO. INC. 401(k) PLAN
BY:
/s/ A.G. Lowenthal
A.G. Lowenthal, as Chairman and CEO of
Oppenheimer & Co. Inc., the Plan Adminstrator
BY
:/s/ R. Neuhoff
R. Neuhoff, as Executive Vice-President of
Oppenheimer & Co. Inc., the Plan Adminstrator
5
INDEX TO EXHIBITS
Exhibits designated by an asterisk have been heretofore filed by the Company pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended and are hereby incorporated herein by reference to the pertinent prior filing.
Exhibit No.
Description of Exhibit
Sequentially
Numbered Page
4(a)
Articles of Incorporation of Oppenheimer Holdings Inc., (formerly known as Fahnestock Viner Holdings Inc.) (previously filed as an exhibit to Form 10-Q for quarterly period ended June 30, 2005).
*
4(b)
Oppenheimer & Co. Inc. 401(k) Plan (formerly  known as  Fahnestock & Co. Inc. 401(k) Plan) (including Trust Provisions) (previously filed as an
exhibit to the Company's registration statement on Form S-8 (no.333-22459)).
*
5
Opinion of Borden Ladner Gervais LLP regarding the legality of any original issuance of common stock being registered.
23(a)
Consent of PricewaterhouseCoopers LLP
23(b)
Consent of PricewaterhouseCoopers LLP (401(k) Plan)
23(c)
Consent of Borden Ladner Gervais LLP (included in Exhibit 5)
24
Power of Attorney (included on the signature pages of the registration statement)
99
Financial Statements and Supplemental Information for the Oppenheimer & Co. Inc. 401(k) Plan for the year ended December 31, 2004 (previously filed as an exhibit to the Plan's annual report on Form 11-K for the plan year ended December 31, 2004))
*
6