UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                  FORM 13F

                            FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2008

Check here if Amendment [ x ]; Amendment Number: 1
This amendment (Check only one.): [x] is a restatement.
                                  [ ] adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:     Rail-Splitter Capital Managemet
Address:  20 N. Wacker Dr., Suite 4120
	  Chicago, IL  60606

13 File Number:

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
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:      Kurt D. Koeplin
Title:     CFO
Phone:     312.629.4952
Signature, 			Place and 	Date of Signing:
Kurt D. Koeplin			Chicago, IL	_______________________________

Report Type (Check only one.):
[ X]        13F HOLDINGS REPORT.
[  ]        13F NOTICE.
[  ]        13F COMBINATION REPORT.


I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE
ACT OF 1934

                           FORM 13F SUMMARY PAGE


Report Summary:

Number of Other Included Managers:        1

Form 13F Information Table Entry Total:   36

Form 13F Information Table Value Total:  197,119




               
                                                                FORM 13F INFORMATION TABLE
                                                              VALUE   SHARES/ SH/ PUT/ 		INVSTMT   OTHER        VOTING AUTHORITY
           NAME OF ISSUER        TITLE OF CLASS     CUSIP   x($1000) PRN AMT  PRN CALL 		DISCRETN MANAGERS   SOLE   	 SHARED    NONE
  ------------------------------ ---------------- --------- -------- -------- --- ---- -------- --------- -------- --------  ----
ADVANCED AUTO PARTS INC 	COMMON STOCK	00751Y106	8,200 	240,812 	SH		Share Defined	1	240812	0
ALLIANCE DATA SYSTEMS CORP	COMMON STOCK	18581108	4,095 	86,200 		SH		Share Defined	1	86200	0
ALLSCRIPTS HEALTHCARE SOLUTIONS	COMMON STOCK	01988P108	3,155 	305,700 	SH		Share Defined	1	305700	0
CAPELLA EDUCATION COMPANY	COMMON STOCK	139594105	5,520 	101,091 	SH		Share Defined	1	101091	0
CHARLES RIV LABS INTL INC CMN	COMMON STOCK	159864107	5,986 	101,557 	SH		Share Defined	1	101557	0
CHARLES SCHWAB CORPORATION CMN	COMMON STOCK	808513105	4,313 	229,061 	SH		Share Defined	1	229061	0
COGNIZANT			COMMON STOCK	192446102	8,575 	297,440 	SH		Share Defined	1	297440	0
COMCAST CORP SPL A COM		COMMON STOCK	20030N200	4,316 	227,528 	SH		Share Defined	1	227528	0
ELECTRONIC ARTS CMN		COMMON STOCK	285512109	6,285 	125,900 	SH		Share Defined	1	125900	0
GAMESTOP CORP CMN CLASS A	COMMON STOCK	36467W109	2,454 	47,472 		SH		Share Defined	1	47472	0
GENPACT LIMITED CMN		COMMON STOCK	G3922B107	2,565 	209,418 	SH		Share Defined	1	209418	0
GEO GROUP INC CMN		COMMON STOCK	36159R103	2,067 	72,672 		SH		Share Defined	1	72672	0
HANSEN NATURAL CORP CMN		COMMON STOCK	411310105	6,424 	181,969 	SH		Share Defined	1	181969	0
HOSPIRA, INC			COMMON STOCK	441060100	4,419 	103,322 	SH		Share Defined	1	103322	0
INTL GAME TECHNOLOGY CMN	COMMON STOCK	459902102	7,862 	195,523 	SH		Share Defined	1	195523	0
KOHL'S				COMMON STOCK	500255104	8,206 	191,334 	SH		Share Defined	1	191334	0
LIBERTY GLOBAL INC CMN CLASS A	COMMON STOCK	530555101	4,517 	132,528 	SH		Share Defined	1	132528	0
LIFE TIME FITNESS, INC. CMN	COMMON STOCK	53217R207	5,076 	162,651 	SH		Share Defined	1	162651	0
MEDTRONIC INC			COMMON STOCK	585055106	8,976 	185,568 	SH		Share Defined	1	185568	0
O'REILLY AUTOMOTIVE CMN		COMMON STOCK	686091109	4,380 	153,600 	SH		Share Defined	1	153600	0
OMNICOM GROUP CMN		COMMON STOCK	681919106	3,976 	90,000 		SH		Share Defined	1	90000	0
PETSMART INC COM		COMMON STOCK	716768106	5,050 	247,082 	SH		Share Defined	1	247082	0
PSYCHIATRIC SOLUTIONS INC CMN	COMMON STOCK	74439H108	8,125 	239,526 	SH		Share Defined	1	239526	0
QUALCOMM INC CMN		COMMON STOCK	7472525103	4,248 	103,600 	SH		Share Defined	1	103600	0
QUANTA SERVICES INC CMN		COMMON STOCK	74762E102	3,056 	131,900 	SH		Share Defined	1	131900	0
ROCHE HLDG AG ADR B SHS		COMMON STOCK	771195104	8,471 	89,652 		SH		Share Defined	1	89652	0
SKILLSOFT PUBLIC LIMITED	COMMON STOCK	830928107	8,672 	828,311 	SH		Share Defined	1	828311	0
STERIS CORP CMN			COMMON STOCK	859152100	204 	7,600 		SH		Share Defined	1	7600	0
TEVA PHARMACEUTICAL		COMMON STOCK	881624209	5,755 	124,596 	SH		Share Defined	1	124596	0
THERMO FISHER SCIENTIFIC INC 	COMMON STOCK	883556102	11,432 	201,123 	SH		Share Defined	1	201123	0
TRIMBLE NAVIGATION LTD CMN	COMMON STOCK	896239100	7,759 	271,384 	SH		Share Defined	1	271384	0
ULTA SALON COSMETICS  CMN	COMMON STOCK	90384S303	2,816 	200,550 	SH		Share Defined	1	200550	0
ULTIMATE SOFTWARE GROUP CMN	COMMON STOCK	90385D107	4,230 	140,703 	SH		Share Defined	1	140703	0
UNITED HEALTHGROUP INC CMN	COMMON STOCK	91324P102	2,412 	70,191 		SH		Share Defined	1	70191	0
VISTAPRINT LIMITED CMN		COMMON STOCK	G93762204	9,784 	279,950 	SH		Share Defined	1	279950	0
WESTERN UNION COMPANY (THE) CMN	COMMON STOCK	959802109	3,738 	175,719 	SH		Share Defined	1	175719	0





Records	36	Total Mkt Value	197,119