================================================================================ UNITED STATES SECURITIES AND EXHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )* TCP Capital Corp. (NAME OF ISSUER) Common Stock ($0.001 par value) (TITLE OF CLASS OF SECURITIES) 87238Q103 (CUSIP NUMBER) December 31, 2012 (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 that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). ================================================================================ =================== ================= CUSIP No. 87238Q103 13G PAGE 2 OF 8 PAGES =================== ================= ================================================================================ 1 NAMES OF REPORTING PERSONS: Massachusetts Mutual Life Insurance Company 04-1590850 ----- -------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [_] (b) [_] ----- -------------------------------------------------------------------------- 3 SEC USE ONLY ----- -------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Massachusetts -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 NUMBER OF ----- ------------------------------------------------ SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,603,372 EACH ----- ------------------------------------------------ REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 ----- ------------------------------------------------ 8 SHARED DISPOSITIVE POWER 1,603,372 -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,603,372 ----- -------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [X] ----- -------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.47% ----- -------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IC ================================================================================ =================== ================= CUSIP No. 87238Q103 13G PAGE 3 OF 8 PAGES =================== ================= ================================================================================ 1 NAMES OF REPORTING PERSONS: Babson Capital Management LLC 51-0504477 ----- -------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [_] (b) [_] ----- -------------------------------------------------------------------------- 3 SEC USE ONLY ----- -------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Massachusetts -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 NUMBER OF ----- ------------------------------------------------ SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,603,372 EACH ----- ------------------------------------------------ REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 ----- ------------------------------------------------ 8 SHARED DISPOSITIVE POWER 1,603,372 -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,603,372 ----- -------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [X] ----- -------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.47% Babson Capital Management LLC, in its capacity as investment advisor, may be deemed the beneficial owner of 1,603,372 shares of common stock of the Issuer which are owned by an advisory client. ----- -------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IA ================================================================================ =================== ================= CUSIP No. 87238Q103 13G PAGE 4 OF 8 PAGES =================== ================= Item 1(a) Name of Issuer: TCP Capital Corp. 1(b) Address of Issuer's Principal Executive Offices: 2951 28th Street, Suite 1000 Santa Monica, CA 90405 Item 2(a) Name of Person Filing: (i) Massachusetts Mutual Life Insurance Company ("MassMutual") (ii)Babson Capital Management LLC ("Babson Capital") 2(b) Address of Principal Business Office or, if None, Residence: The address of the principal business office of MassMutual: 1295 State Street Springfield, MA 01111 The address of the principal business office of Babson Capital: 1500 Main Street Springfield, MA 01115 2(c) Citizenship: See Item 4 of each cover page. 2(d) Title of Class of Securities: Common Stock ($0.001 par value) 2(e) CUSIP Number: 87238Q103 =================== ================= CUSIP No. 87238Q103 13G PAGE 5 OF 8 PAGES =================== ================= Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check Whether the Person Filing is a: (a) [ ] Broker or dealer registered under Section 15 of the Exchange Act. (b) [ ] Bank as defined in Section 3(a)(6) of the Exchange Act. (c) [x] Insurance company as defined in section 3(a)(19) of the Exchange Act. (MassMutual) (d) [ ] Investment company registered under Section 8 of the Investment Company Act. (e) [x] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (Babson) (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). Item 4 Ownership (a) Amount beneficially owned: See Item 9 of cover pages. (b) Percent of class: See Item 11 of cover pages. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Items 5-8 of cover pages. (ii) Shared power to vote or to direct the vote: See Item 6 of cover pages. (iii) Sole power to dispose or direct the disposition of: See Item 7 of cover pages. (iv) Shared power to dispose or direct the disposition of: See Item 8 of cover pages. =================== ================= CUSIP No. 87238Q103 13G PAGE 6 OF 8 PAGES =================== ================= 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: 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 Certifications: By signing below I certify that, to the best of its knowledge and belief, the security referred to above was acquired and is held in the ordinary course of business and was not acquired and is not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and was not acquired and is not held in connection with or as a participant in any transaction having that purpose or effect. =================== ================= CUSIP No. 87238Q103 13G PAGE 7 OF 8 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. Dated: February 15, 2012 MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY By: --------------------------- Name: Donald Griffith Title: Vice President, Corporate Compliance Dated: February 15, 2012 BABSON CAPITAL MANAGEMENT LLC By: --------------------------- Name: Melissa LaGrant Title: Managing Director, Core Compliance and Organizational Risk =================== ================= CUSIP No. 87238Q103 13G PAGE 8 OF 8 PAGES =================== ================= Joint Filing Agreement This will confirm the agreement by and among all the undersigned that the Schedule 13G filed on or about this date and any amendments thereto with respect to the beneficial ownership by the undersigned of common stock of TCP Capital Corp. is being filed on behalf of each of the undersigned in accordance with Rule 13d-1(k)(1). This agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated: February 15, 2012 MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY By: --------------------------- Name: Donald Griffith Title: Vice President, Corporate Compliance Dated: February 15, 2012 BABSON CAPITAL MANAGEMENT LLC By: --------------------------- Name: Melissa LaGrant Title: Managing Director, Core Compliance and Organizational Risk