UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Report for the Calendar Year or Quarter Ended: March 31, 2013 Check here if Amendment [_]; Amendment Number: -------------------- This Amendment (Check only one.): [_] is a restatement. [_] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Delphi Financial Group, Inc. Address: 1105 North Market Street, Suite 1230 P.O. Box 8985 Wilmington, Delaware 19899 Form 13F File Number: 028-15443 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Chad W. Coulter Title: Senior Vice President, General Counsel and Secretary Phone: (302) 478-5142 Signature, Place, and Date of Signing: /s/ Chad W. Coulter Philadelphia, Pennsylvania May 13, 2013 ------------------------ ---------------------------- -------------------------- [Signature] [City, State] [Date] Delphi Financial Group, Inc. ("DFG") is the parent company of Delphi Capital Management, Inc. ("DCM"), which is an institutional investment manager for purposes of the reporting requirements under Section 13(f) of the Securities Exchange Act of 1934, as amended, and therefore may be deemed to have investment discretion with respect to Section 13(f) securities as to which DCM possesses investment discretion. DFG is a direct wholly-owned subsidiary of Tokio Marine & Nichido Fire Insurance Co., Ltd. and an indirect wholly-owned subsidiary of Tokio Marine Holdings, Inc. Report Type (Check only one.): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [_] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [_] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: Form 13F File Number Name 028-15442 Delphi Capital Management, Inc. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 14 Form 13F Information Table Value Total: 202,820 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. No. Form 13F File Number Name 1 028-15442 Delphi Capital Management, Inc. FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ---------------- --------- --------- ------------------ ---------- -------- --------------------------- VOTING AUTHORITY VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER --------------------------- NAME OF ISSUER TITLE OF CLASS CUSIP (x $1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE ---------------------------- ---------------- --------- --------- ------------------ ---------- -------- --------------------------- AMERICAN CAPITAL AGENCY CORP COM 02503X105 30,086 917,804 SH DEFINED 1 917,804 CYS INVTS INC COM 12673A108 27,328 2,327,800 SH DEFINED 1 2,327,800 DYNEX CAPITAL INC COM NEW 26817Q506 747 69,909 SH DEFINED 1 69,909 ISHARES TR JPMORGAN USD 464288281 28,408 241,500 SH DEFINED 1 241,500 ISHARES TR FTSE CHINA25 IDX 464287184 5,110 138,382 SH DEFINED 1 138,382 MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 9,131 150,300 SH DEFINED 1 150,300 POWERSHARES ETF TRUST II SENIOR LN PORT 73936Q769 20,235 806,195 SH DEFINED 1 806,195 POWERSHARES QQQ TRUST UNIT SER 1 73935A104 987 14,308 SH DEFINED 1 14,308 PROSPECT CAPITAL CORPORATION COM 74348T102 19,638 1,800,000 SH DEFINED 1 1,800,000 PVR PARTNERS L P COM UNIT REPTG L 693665101 10,835 449,386 SH DEFINED 1 449,386 SEADRILL PARTNERS LLC COMUNIT REP LB ADDED Y7545W109 2,830 101,974 SH DEFINED 1 101,974 SELECT INCOME REIT COM SH BEN INT 81618T100 895 33,849 SH DEFINED 1 33,849 SPDR S&P 500 ETF TR TR UNIT 78462F103 4,764 30,407 SH DEFINED 1 30,407 TWO HBRS INVT CORP COM 90187B101 41,826 3,316,900 SH DEFINED 1 3,316,900