SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Capstone Turbine Corporation ----------------------------------------- (Name of Issuer) Common Stock, $0.01 par value ----------------------------------------- (Title of Class of Securities) US 14067D1028 ----------------------------------------- (CUSIP Number) December 31, 2000 ----------------------------------------- (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) [x] 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 that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. US 14067D1028 1 NAME OF REPORTING PERSON I.R.S. Identification No. of above person (entities only). Rho Management Company, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION New York NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 5 SOLE VOTING POWER 5,680,007 Shares 6 SHARED VOTING POWER 0 Shares 7 SOLE DISPOSITIVE POWER 5,680,007 Shares 8 SHARED DISPOSITIVE POWER 0 Shares 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,680,007 Shares 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.6% 12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO/IA This Amendment No. 1 to Schedule 13G for Capstone Turbine Corporation, a California corporation (the "Company"), amends a Schedule 13G, dated June 29, 2000, with respect to the Common Stock, par value $0.01 per share (the "Shares"), of the Company beneficially owned by Rho Management Company, Inc., as follows below. This Amendment is filed to amend Items 2(a), 2(b), 2(c) and 4, as of December 31, 2000, contained in the statement on Schedule 13G as most recently amended. Item 1. No amendment. Item 2. Identity of Person Filing. (a) This Statement is being filed by Rho Management Company, Inc. ("Rho"), a New York corporation. Rho serves as investment advisor to a number of investment vehicles, and as such may be deemed to exercise investment and voting control over Shares registered in the names of such vehicles. (b)-(c) Rho is a New York corporation, with its address at 152 West 57th Street, 23rd Floor, New York, New York 10019. Items 2(d) - 3. No amendment. Item 4. Ownership See cover page for the reporting person. As the ultimate holder of voting and investment authority over the Shares owned by its investment advisory clients, Rho may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of 5,680,007 Shares reported hereby, constituting 7.6% of the Company's outstanding shares reported as of the reporting event date. Items 5.- 9. No amendment. Item 10. Certifications By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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. 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. Dated: February 14, 2001. RHO MANAGEMENT COMPANY, INC. By: /s/ Joshua Ruch -------------------------- Name: Joshua Ruch Title: President