-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, EB05QXTIzB2y7Zow9kj6OFdus3bfQsFgssLRFZP9DuJP1tYdheJrtjIskKNBkDmc kuYum1Ev1Kltjof84eljGg== 0000898431-05-000031.txt : 20050209 0000898431-05-000031.hdr.sgml : 20050209 20050209134007 ACCESSION NUMBER: 0000898431-05-000031 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20050209 DATE AS OF CHANGE: 20050209 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: QUAKER CAPITAL MANAGEMENT CORP CENTRAL INDEX KEY: 0000911092 IRS NUMBER: 251495646 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: ARROTT BLDG 401 WOOD STREET STREET 2: STE 1300 CITY: PITTSBURGH STATE: PA ZIP: 15222-1824 MAIL ADDRESS: STREET 1: ARROTT BLDG 401 WOOD STREET STREET 2: SUITE 1300 CITY: PITTSBURGH STATE: PA ZIP: 15222 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ACUSPHERE INC CENTRAL INDEX KEY: 0001115143 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 043208947 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-79569 FILM NUMBER: 05587834 BUSINESS ADDRESS: STREET 1: 500 ARSENAL ST CITY: WATERTOWN STATE: MA ZIP: 02472 BUSINESS PHONE: 6175778800 MAIL ADDRESS: STREET 1: 500 ARSENAL ST CITY: WATERTOWN STATE: MA ZIP: 02472 SC 13G/A 1 schedule_13ga.txt SCHEDULE 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.__)* ACUSPHERE, INC. ----------------------------------------------------------------- (Name of Issuer) Common Stock ----------------------------------------------------------------- (Title of Class of Securities) 00511R870 -------------------- (CUSIP Number) January 31, 2005 ---------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: / X / Rule 13d-1(b) / / Rule 13d-1(c) / / 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 the section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13G CUSIP NO. 00511R870 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Quaker Capital Management Corporation ------------------------------------------------------------------------ 2. Check the Appropriate Box if a Member of a Group (a) ------ (b) X ------ 3. SEC Use Only --------------------------------------------- 4. Citizenship or Place of Organization Pennsylvania --------------- Number of 5. Sole Voting Power 2,172,450 Shares --------------- Beneficially 6. Shared Voting Power 0 Owned by --------------- Each Reporting 7. Sole Dispositive Power 2,172,450 Person --------------- With: 8. Shared Dispositive Power 0 --------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 2,172,450 ---------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares -------- The Reporting Person disclaims beneficial ownership of 2,172,450 shares owned by its clients. 11. Percent of Class Represented by Amount in Row (9) 12.04% -------- 12. Type of Reporting Person IA -------------- Page 2 of 6 Pages SCHEDULE 13G CUSIP NO. 00511R870 Item 1. (a) Name of Issuer ACUSPHERE, INC. -------------------------------------------------------------- (b) Address of Issuer's Principal Executive Offices 500 Arsenal Street, Watertown, MA 02472 -------------------------------------------------------------- Item 2. (a) Name of Persons Filing Quaker Capital Management Corporation -------------------------------------------------------------- (b) Address of Principal Business Office or, if none, Residence 401 Wood Street, Suite 1300, Pittsburgh, PA 15222 -------------------------------------------------------------- (c) Citizenship Pennsylvania, USA -------------------------------------------------------------- (d) Title of Class of Securities Common Stock -------------------------------------------------------------- (e) CUSIP Number 00511R870 -------------------------------------------------------------- Page 3 of 6 Pages SCHEDULE 13G CUSIP NO. 00511R870 Item 3. If this statement is filed pursuant to ss.ss.240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) / / Broker of dealer registered under section 15 of the Act; (b) / / Bank as defined in section 3(a)(6) of the Act; (c) / / Insurance company as defined in section 3(a)(19) of the Act; (d) / / Investment company registered under section 8 of the Investment Company Act of 1940; (e) / X / An investment adviser in accordance with ss.240.13d- 1(b) (l)(ii)(E); (f) / / An employee benefit plan or endowment fund in accordance with ss.240.13d-1(b)(1)(ii)(F); (g) / / A parent holding company or control person in accordance with ss.240.13d-1(b)(1)(ii)(G); (h) / / A savings association as defined in Section 3(b) the Federal Deposit Insurance Act; (i) / / A church plan that is excluded from the definition of an investment company under section (c)(14) of the Investment Company Act of 1940; (j) / / Group, in accordance with ss.240.13d-1((b)(l)(ii)(J) Item 4. Ownership --------- (a) The Reporting Person, in its capacity as investment adviser, may be deemed to be the beneficial owner of 2,172,450 shares of the Common Stock of the Issuer which are owned by various investment advisory clients of the Reporting Person in accounts over which the Reporting Person has discretionary authority. The filing of this report shall not be construed as an admission that the Reporting Person is, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of these securities. (b) The shares covered by this report represent 12.04% of the Common Stock of the Issuer. Page 4 of 6 Pages SCHEDULE 13G CUSIP NO. 00511R870 (c) The Reporting Person has sole voting and dispositive power over all 2,172,450 shares owned by its clients and held in accounts over which it has discretionary authority. Item 5. Ownership of Five Percent or Less of a Class If this statement is being filed to report the fact that as of the date hereof, the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ---------- Item 6. Ownership of More than Five Percent on Behalf of Another Person All 2,172,450 of the shares with respect to which this report is filed are owned by a variety of investment advisory clients of the Reporting Person, which clients are entitled to receive dividends on and the proceeds from the sale of such shares. No client is known to own more than 5% of the class. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company Not applicable. Item 8. Identification and Classification of Members of the Group Not applicable. Item 9. Notice of Dissolution of Group Not applicable. Item 10. Certification By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Page 5 of 6 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. QUAKER CAPITAL MANAGEMENT CORPORATION February 9, 2005 ------------------------------- Date /s/ Mark G. Schoeppner ------------------------------- Signature Mark G. Schoeppner, President ------------------------------- Name/Title Page 6 of 6 Pages -----END PRIVACY-ENHANCED MESSAGE-----