Shelter Mutual Insurance 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

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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
BHP GROUP LTD	SPONSORED ADS	088606108	4,708	94,680	SH		SOLE	0	0	0	94,680
AMERICAN EXPRESS CO	COM	025816109	3,918	41,160	SH		SOLE	0	0	0	41,160
SMUCKER J M CO	COM NEW	832696405	4,928	46,570	SH		SOLE	0	0	0	46,570
CME GROUP INC	COM	12572Q105	7,805	48,020	SH		SOLE	0	0	0	48,020
PHILIP MORRIS INTL I	COM	718172109	5,044	71,990	SH		SOLE	0	0	0	71,990
CIGNA CORP NEW	COM	125523100	1,803	9,606	SH		SOLE	0	0	0	9,606
EXXON MOBIL CORP	COM	30231G102	2,963	66,250	SH		SOLE	0	0	0	66,250
ROYAL DUTCH SHELL PL	SPONS ADR A	780259206	3,718	113,750	SH		SOLE	0	0	0	113,750
SCHLUMBERGER LTD	COM	806857108	1,485	80,770	SH		SOLE	0	0	0	80,770
DISCOVERY INC	COM SER C	25470F302	2,153	111,790	SH		SOLE	0	0	0	111,790
DEERE & CO	COM	244199105	6,731	42,830	SH		SOLE	0	0	0	42,830
PFIZER INC	COM	717081103	4,768	145,820	SH		SOLE	0	0	0	145,820
PROCTER AND GAMBLE C	COM	742718109	10,889	91,070	SH		SOLE	0	0	0	91,070
VISA INC	COM CL A	92826C839	17,503	90,610	SH		SOLE	0	0	0	90,610
LINDE PLC	SHS	G5494J103	6,138	28,940	SH		SOLE	0	0	0	28,940
ABBVIE INC	COM	00287Y109	5,700	58,060	SH		SOLE	0	0	0	58,060
ABBOTT LABS	COM	002824100	5,162	56,460	SH		SOLE	0	0	0	56,460
ORACLE CORP	COM	68389X105	10,258	185,590	SH		SOLE	0	0	0	185,590
GILEAD SCIENCES INC	COM	375558103	2,471	32,110	SH		SOLE	0	0	0	32,110
PEPSICO INC	COM	713448108	10,294	77,840	SH		SOLE	0	0	0	77,840
INTERNATIONAL BUSINE	COM	459200101	5,679	47,020	SH		SOLE	0	0	0	47,020
INTEL CORP	COM	458140100	7,483	125,070	SH		SOLE	0	0	0	125,070
TARGET CORP	COM	87612E106	5,965	49,740	SH		SOLE	0	0	0	49,740
WALMART INC	COM	931142103	10,046	83,872	SH		SOLE	0	0	0	83,872
ECOLAB INC	COM	278865100	5,309	26,684	SH		SOLE	0	0	0	26,684
GENERAL ELECTRIC CO	COM	369604103	1,570	229,940	SH		SOLE	0	0	0	229,940
ILLINOIS TOOL WKS IN	COM	452308109	6,922	39,590	SH		SOLE	0	0	0	39,590
BERKSHIRE HATHAWAY I	CL B NEW	084670702	620	3,474	SH		SOLE	0	0	0	3,474
NEXTERA ENERGY INC	COM	65339F101	4,955	20,630	SH		SOLE	0	0	0	20,630
LOWES COS INC	COM	548661107	8,650	64,020	SH		SOLE	0	0	0	64,020
3M CO	COM	88579Y101	3,739	23,970	SH		SOLE	0	0	0	23,970
ACTIVISION BLIZZARD	COM	00507V109	2,171	28,610	SH		SOLE	0	0	0	28,610
BROOKFIELD ASSET MGM	CL A LTD VT SH	112585104	1,847	56,131	SH		SOLE	0	0	0	56,131
TRUIST FINL CORP	COM	89832Q109	3,394	90,380	SH		SOLE	0	0	0	90,380
CATERPILLAR INC DEL	COM	149123101	6,983	55,200	SH		SOLE	0	0	0	55,200
MEDTRONIC PLC	SHS	G5960L103	6,547	71,396	SH		SOLE	0	0	0	71,396
ENBRIDGE INC	COM	29250N105	2,157	70,920	SH		SOLE	0	0	0	70,920
UNION PAC CORP	COM	907818108	8,195	48,473	SH		SOLE	0	0	0	48,473
BERKSHIRE HATHAWAY I	CL A	084670108	12,296	46	SH		SOLE	0	0	0	46
VERISK ANALYTICS INC	COM	92345Y106	11,063	65,000	SH		SOLE	0	0	0	65,000
MARKEL CORP	COM	570535104	1,108	1,200	SH		SOLE	0	0	0	1,200
OTIS WORLDWIDE CORP	COM	68902V107	1,774	31,200	SH		SOLE	0	0	0	31,200
VANGUARD STAR FDS VG TL INTL STK F	COM	921909768	17,755	361,100	SH		SOLE	0	0	0	361,100
VANGUARD INDEX FDS TOTAL STK MRKT	COM	922908769	7,952	50,800	SH		SOLE	0	0	0	50,800
HASBRO INC	COM	418056107	1,776	23,700	SH		SOLE	0	0	0	23,700
BOOKING HOLDINGS INC	COM	09857L108	1,752	1,100	SH		SOLE	0	0	0	1,100
CONSTELLATION BRANDS	CL A	21036P108	1,802	10,300	SH		SOLE	0	0	0	10,300