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

                                  FORM 13F

                            FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: SEPTEMBER 30, 2009

Check here if Amendment [ x ]; Amendment Number: 1
This amendment (Check only one.): [X] is a restatement.
                                  [X] 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	_________________11/3/09______________

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:    44

Form 13F Information Table Value Total:  248,521




               
                                                                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
  ------------------------------ ---------------- --------- -------- -------- --- ---- -------- --------- -------- --------  ----
AFFILIATED MGRS GROUP INC CMN	COMMON STOCK	008252108	3260	50152	SH		Share Defined	1		50152	0
ALLIANCE DATA SYSTEMS CORPOR	COMMON STOCK	018581108	5,018 	82147	SH		Share Defined	1		82147	0
AMPHENOL CORP CMN		COMMON STOCK	032095101	8,524 	226218	SH		Share Defined	1		226218	0
APPLE INC			COMMON STOCK	037833100	6,350 	34257	SH		Share Defined	1		34257	0
BED BATH & BEYOND		COMMON STOCK	075896100	2,096 	55831	SH		Share Defined	1		55831	0
CALIFORNIA PIZZA KITCHEN INC	COMMON STOCK	13054D109	2,666 	170649	SH		Share Defined	1		170649	0
CAPELLA EDUCATION COMPANY	COMMON STOCK	139594105	4,813 	71476	SH		Share Defined	1		71476	0
CAREFUSION CORPORATIN    	COMMON STOCK	14170T101	3,941 	180800	SH		Share Defined	1		180800	0
CHARLES SCHWAB CORPORATION CMN	COMMON STOCK	808513105	4,200 	219320	SH		Share Defined	1		219320	0
CHINACAST EDUCATION CORP CMN	COMMON STOCK	16946T109	2,718 	373837	SH		Share Defined	1		373837	0
CHIPOTLE MEXICAN GRILL 		COMMON STOCK	169656204	1,551 	18642	SH		Share Defined	1		18642	0
CME GROUP INC CMN CLASS A	COMMON STOCK	12572q105	6,652 	21583	SH		Share Defined	1		21583	0
COGNIZANT			COMMON STOCK	192446102	10,957 	283414	SH		Share Defined	1		283414	0
COMCAST CORP SPL A COM		COMMON STOCK	20030N200	4,610 	286675	SH		Share Defined	1		286675	0
FASTENAL CO CMN			COMMON STOCK	311900104	4,200 	108528	SH		Share Defined	1		108528	0
GOOGLE INC CMN			COMMON STOCK	38259P508	10,527 	21230	SH		Share Defined	1		21230	0
GRAND CANYON EDUCATION		COMMON STOCK	38526M106	10,440 	585512	SH		Share Defined	1		585512	0
HILL-ROM HOLDINGS INC CMN	COMMON STOCK	38526M106	6,631 	304472	SH		Share Defined	1		304472	0
INFORMATICA CORP CMN		COMMON STOCK	45666Q102	5,108 	226210	SH		Share Defined	1		226210	0
INTL GAME TECHONOLOGY		COMMON STOCK	459902102	1,050 	48900	SH		Share Defined	1		48900	0
ITT EDUCATION SERVICES		COMMON STOCK	45068B109	3,249 	29424	SH		Share Defined	1		29424	0
J. CREW GROUP INC CMN		COMMON STOCK	46612H402	1,343 	37500	SH		Share Defined	1		37500	0
LUMBER LIQUIDATORS INC		COMMON STOCK	55003Q103	4,404 	203020	SH		Share Defined	1		203020	0
MASTERCARD INC			COMMON STOCK	57636Q104	5,431 	26867	SH		Share Defined	1		26867	0
MCDONALDS CORP CMN		COMMON STOCK	580135101	5,290 	92700	SH		Share Defined	1		92700	0
O'REILLY AUTOMOTIVE CMN		COMMON STOCK	686091109	3,719 	102914	SH		Share Defined	1		102914	0
PATTERSON COMPANIES INC CMN	COMMON STOCK	703395103	8,006 	293783	SH		Share Defined	1		293783	0
PETSMART INC COM		COMMON STOCK	716768106	3,607 	165830	SH		Share Defined	1		165830	0
PRECISION CAST PARTS		COMMON STOCK	740189105	4,688 	46020	SH		Share Defined	1		46020	0
PRICELINE			COMMON STOCK	741503403	5,760 	34735	SH		Share Defined	1		34735	0
QUALCOMM INC CMN		COMMON STOCK	747255103	5,493 	122121	SH		Share Defined	1		122121	0
SBA COMMUNICATIONS		COMMON STOCK	78388J106	6,722 	248686	SH		Share Defined	1		248686	0
SOLERA HOLDINGS INC CMN		COMMON STOCK	83421A104	10,191 	327591	SH		Share Defined	1		327591	0
STERIS CORP CMN			COMMON STOCK	859152100	7,991 	262432	SH		Share Defined	1		262432	0
TEVA PHARMACEUTICAL		COMMON STOCK	881624209	9,770 	193226	SH		Share Defined	1		193226	0
TIME WARNER INC CMN		COMMON STOCK	887317303	4,587 	159366	SH		Share Defined	1		159366	0
ULTA SALON COSMETICS		COMMON STOCK	90384S303	4,774 	289153	SH		Share Defined	1		289153	0
UNITED THERAPEUTICS CORP CMN	COMMON STOCK	91307C102	9,066 	185064	SH		Share Defined	1		185064	0
VISA INC CMN			COMMON STOCK	92826C839	6,049 	87525	SH		Share Defined	1		87525	0
VISTAPRINT LIMITED CMN		COMMON STOCK	G93762204	10,091 	198840	SH		Share Defined	1		198840	0
WALGREEN CO CMN			COMMON STOCK	931422109	10,945 	292104	SH		Share Defined	1		292104	0
WALT DISNEY COMPANY		COMMON STOCK	254687106	4,794 	174569	SH		Share Defined	1		174569	0
WESTERN UNION COMPANY (THE) CMN	COMMON STOCK	959802109	6,152 	325166	SH		Share Defined	1		325166	0
WMS INDS INC CMN		COMMON STOCK	929297109	1,087 	24400	SH		Share Defined	1		24400	0






Records	44	Total Mkt Value	248,521