Ohio Public Employees Retirement System (OPERS)’s White Mountains Insurance WTM Stock Holding History

Ohio Public Employees Retirement System (OPERS)’s Portfolio WTM Stock Details WTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.49M	Sell	721 -30	-4%	-$64.2K	﹤0.01%	1188
2026 Q1	$1.65M	Sell	751 -25	-3%	-$53.5K	0.01%	1146
2025 Q4	$1.61M	Sell	776 -38	-5%	-$74.3K	0.01%	1188
2025 Q3	$1.36M	Buy	814 +4	+0.5%	+$7.14K	﹤0.01%	1258
2025 Q2	$1.45M	Buy	810 +16	+2%	+$28.5K	﹤0.01%	1220
2025 Q1	$1.53M	Sell	794 -96	-11%	-$181K	0.01%	1182
2024 Q4	$1.73M	Sell	890 -51	-5%	-$96.4K	0.01%	1194
2024 Q3	$1.6M	Sell	941 -48	-5%	-$83.7K	0.01%	1141
2024 Q2	$1.8M	Buy	989 +2	+0.2%	+$3.54K	0.01%	1025
2024 Q1	$1.77M	Sell	987 -92	-9%	-$154K	0.01%	1016
2023 Q4	$1.62M	Buy	1,079 +28	+3%	+$41.6K	0.01%	1056
2023 Q3	$1.57M	Sell	1,051 -111	-10%	-$170K	0.01%	1039
2023 Q2	$1.61M	Sell	1,162 -123	-10%	-$173K	0.01%	1064
2023 Q1	$1.77M	Sell	1,285 -42	-3%	-$60.2K	0.01%	1035
2022 Q4	$1.88M	Sell	1,327 -260	-16%	-$352K	0.01%	1019
2022 Q3	$2.07M	Sell	1,587 -39	-2%	-$50.5K	0.01%	1019
2022 Q2	$2.03M	Sell	1,626 -97	-6%	-$113K	0.01%	1061
2022 Q1	$1.96M	Sell	1,723 -45	-3%	-$47.1K	0.01%	1117
2021 Q4	$1.79M	Sell	1,768 -249	-12%	-$263K	0.01%	1144
2021 Q3	$2.16M	Buy	2,017 +10	+0.5%	+$11.2K	0.01%	1100
2021 Q2	$2.3M	Buy	2,007 +55	+3%	+$64.2K	0.01%	1084
2021 Q1	$2.18M	Buy	1,952 +281	+17%	+$314K	0.01%	1042
2020 Q4	$1.67M	Buy	+1,671	New	+$1.57M	0.01%	1063
2013 Q4	–	Sell	-1,916	Closed	-$1.09M	–	1788
2013 Q3	$1.09M	Buy	1,916 +360	+23%	+$209K	0.01%	1171
2013 Q2	$895K	Buy	+1,556	New	+$908K	0.01%	1139

Other funds holding WTM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RRAM

River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return

WCM

Wallace Capital Management Dallas, Texas $912M AUM 21.45% 1-Year Est. Return

FMI

Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return

Ohio Public Employees Retirement System (OPERS)'s WTM Position: Q2 2026 in Review

Ohio Public Employees Retirement System (OPERS) reduced its White Mountains Insurance (WTM) stake by 4% in Q2 2026, selling an estimated $64.2K and leaving 721 shares worth $1.49M. The position accounts for ﹤0.01% of the portfolio, ranked #1188.

Ohio Public Employees Retirement System (OPERS) first reported a position in WTM in Q2 2013 and has held it in 25 quarters since. The position peaked at $2.3M in Q2 2021. 356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

Ohio Public Employees Retirement System (OPERS) held 721 shares of White Mountains Insurance worth $1.49M as of Q2 2026.
Ohio Public Employees Retirement System (OPERS) sold 30 White Mountains Insurance shares in Q2 2026, an estimated $64.2K.
White Mountains Insurance made up ﹤0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q2 2026, its #1188 holding.
Ohio Public Employees Retirement System (OPERS) first reported a position in White Mountains Insurance in Q2 2013 and has held it in 25 quarters since.
Ohio Public Employees Retirement System (OPERS)'s White Mountains Insurance position peaked at $2.3M in Q2 2021.
356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q2 2026, filed 17 Aug 2026.