SC 13G 1 sc13g.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) PortalPlayer Inc. ------------------------------------------------------------------------------- (Name of Issuer) Common Stock with a $.0001 par value per share ------------------------------------------------------------------------------- (Title of Class of Securities) 736187204 ------------------------------------------------------------------------------- (CUSIP Number) December 31, 2004 ------------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this schedule is filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) ------------------------ *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act. (Continued on following page(s)) Page 1 of 5 Pages CUSIP NO. 13G Page 2 of 5 Pages _______________________________________________________________________________ 1) Names of Reporting persons: Canadian Imperial Bank of Commerce I.R.S. Identification Nos. of Above Persons (entities only): 13-1942440 _______________________________________________________________________________ 2) Check the appropriate Box if a Member of a Group (See Instructions) (a) (b) _______________________________________________________________________________ 3) SEC Use Only _______________________________________________________________________________ 4) Citizenship of Place of Organization: Canada _______________________________________________________________________________ NUMBER OF (5) Sole Voting Power: 1,655,873 SHARES ________________________________________________________________ BENEFICIALLY (6) Shared Voting Power: -0- OWNED BY ________________________________________________________________ EACH (7) Sole Dispositive Power: 1,655,873 REPORTING ________________________________________________________________ PERSON (8) Shared Dispositive Power: -0- WITH _______________________________________________________________________________ 9) Aggregate Amount Beneficially Owned by Each Reporting Person: 1,655,873 _______________________________________________________________________________ 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see Instructions): _______________________________________________________________________________ 11) Percent of Class Represented by Amount in Row 9: 7.18 _______________________________________________________________________________ 12) Type of Reporting Person (See Instruction): HC _______________________________________________________________________________ CUSIP NO. 13G Page 3 of 5 Pages _______________________________________________________________________________ Item 1(a): Name of Issuer: PortalPlayer Inc. Item 1(b): Address of Issuer's Principal Executive Offices: 3255 Scott Boulevard, Bldg. 1 Santa Clara, CA 95054 Item 2(a): Name of Person Filing: Canadian Imperial Bank Commerce Item 2(b): Address of Principal Business Office or, if none, Residence: 199 Bay Street Toronto, Ontario M5L 1A2 Canada Item 2(c): Citizenship: Canada Item 2(d): Title of Class of Securities: Common Stock with a $.0001 par value per share Item 2(e): CUSIP Number: 736187204 Item 3: Not applicable Item 4(a): Amount Beneficially Owned: 1,655,873 Item 4(b): Percent of Class: 7.18 CUSIP NO. 13G Page 4 of 5 Pages _______________________________________________________________________________ Item 4(c): Number of Shares as to Which Such Person Has: (i) Sole power to vote or direct the vote: 1,655,873 (ii) Shared power to vote or direct the vote: -0- (iii) Sole power to dispose or direct the disposition of: 1,655,873 (iv) Shared power to dispose or direct the disposition of: -0- Item 5: Ownership of Five Percent or Less of a Class: Not applicable Item 6: Ownership of More than Five Percent on Behalf of Another Person: Not applicable Item 7: Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: CIBC WMC Inc. (CO) Item 8: Identification and Classification of Members of the Group: Not applicable Item 9: Notice of Dissolution of Group: Not applicable Item 10: Certifications: Not applicable CUSIP NO. 13G Page 5 of 5 Pages _______________________________________________________________________________ SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: 14 February 2005 CANADIAN IMPERIAL BANK OF COMMERCE By: /s/ Antonio Molestina ------------------------------- Name: Antonio Molestina Title: Senior Vice President, Deputy General Counsel