Shelter Ins Retirement Plan 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL

OMB Number:		3235-0006
Expires:	Oct 31, 2018
Estimated average burden
hours per response:		23.8

COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
UNION PACIFIC CORPORATION	COM	907818108	10,715	122,812	SH		SOLE	0	0	0	122,812
ORACLE CORP	COM	68389X105	9,987	244,000	SH		SOLE	0	0	0	244,000
BERKSHIRE HATHAWAY	COM	084670108	9,764	45	SH		SOLE	0	0	0	45
WAL-MART STORES	COM	931142103	9,516	130,324	SH		SOLE	0	0	0	130,324
EXXON MOBIL CORPORATION	COM	30231G102	9,384	100,112	SH		SOLE	0	0	0	100,112
PEPSICO INCORPORATED	COM	713448108	7,924	74,800	SH		SOLE	0	0	0	74,800
PROCTER & GAMBLE CO	COM	742718109	7,510	88,700	SH		SOLE	0	0	0	88,700
MEDTRONIC INC	COM	G5960L103	7,499	86,422	SH		SOLE	0	0	0	86,422
LOWE'S CORP	COM	548661107	7,363	93,000	SH		SOLE	0	0	0	93,000
INTERNATIONAL BUSINESS MACHINE	COM	459200101	7,255	47,800	SH		SOLE	0	0	0	47,800
GENERAL ELECTRIC COMPANY	COM	369604103	7,193	228,500	SH		SOLE	0	0	0	228,500
JM SMUCKER CO	COM	832696405	7,057	46,300	SH		SOLE	0	0	0	46,300
3M COMPANY	COM	88579Y101	7,005	40,000	SH		SOLE	0	0	0	40,000
PHILIP MORRIS INTERNATIONAL	COM	718172109	6,978	68,600	SH		SOLE	0	0	0	68,600
SCHLUMBERGER LTD	COM	806857108	6,967	88,100	SH		SOLE	0	0	0	88,100
CATERPILLAR TRACTOR CO	COM	149123101	6,762	89,200	SH		SOLE	0	0	0	89,200
INTEL CORP	COM	458140100	6,445	196,500	SH		SOLE	0	0	0	196,500
VISA INC/A	COM	92826C839	6,327	85,300	SH		SOLE	0	0	0	85,300
CME GROUP INC	COM	12572Q105	5,552	57,000	SH		SOLE	0	0	0	57,000
ROYAL DUTCH SHELL PLC - ADR B	ADR	780259107	5,454	97,400	SH		SOLE	0	0	0	97,400
ABBVIE INC	COM	00287Y109	4,934	79,700	SH		SOLE	0	0	0	79,700
DEERE & CO	COM	244199105	4,400	54,300	SH		SOLE	0	0	0	54,300
PFIZER INC	COM	717081103	4,222	119,900	SH		SOLE	0	0	0	119,900
ILLINOIS TOOL WORKS	COM	452308109	4,093	39,300	SH		SOLE	0	0	0	39,300
ENBRIDGE INC.	COM	29250N105	3,982	94,000	SH		SOLE	0	0	0	94,000
EMERSON ELECTRIC CO	COM	291011104	3,959	75,900	SH		SOLE	0	0	0	75,900
EXPRESS SCRIPTS HOLDING CO	COM	30219G108	3,819	50,382	SH		SOLE	0	0	0	50,382
TARGET CORP	COM	87612E106	3,540	50,700	SH		SOLE	0	0	0	50,700
AMERICAN EXPRESS COMPANY	COM	025816109	3,536	58,200	SH		SOLE	0	0	0	58,200
VERISK ANALYTICS INC - CLASS A	COM	92345Y106	3,519	43,400	SH		SOLE	0	0	0	43,400
CORE LABORATORIES N.V.	COM	N22717107	3,407	27,500	SH		SOLE	0	0	0	27,500
BHP BILLITON LTD - SPON ADR	ADR	088606108	3,173	111,100	SH		SOLE	0	0	0	111,100
ABBOTT LABS	COM	002824100	3,133	79,700	SH		SOLE	0	0	0	79,700
PRAXAIR INC	COM	74005P104	3,023	26,900	SH		SOLE	0	0	0	26,900
ENBRIDGE ENERGY MANAGEMENT LLC	COM	29250X103	2,609	113,398	SH		SOLE	0	0	0	113,398
ECOLAB INC	COM	278865100	2,297	19,366	SH		SOLE	0	0	0	19,366
SUNPOWER CORP	COM	867652406	2,210	142,700	SH		SOLE	0	0	0	142,700
GILEAD SCIENCES INC	COM	375558103	2,152	25,800	SH		SOLE	0	0	0	25,800
FRANKLIN RESOURCES	COM	354613101	2,132	63,900	SH		SOLE	0	0	0	63,900
TEVA PHARMACEUTICAL INDUSTRIES LTD	COM	881624209	2,014	40,100	SH		SOLE	0	0	0	40,100
ENSCO PLC-CL A	COM	G3157S106	378	38,900	SH		SOLE	0	0	0	38,900