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Equibles

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in WTM — White Mountains Insurance Group Ltd

CIK 1081019 WEST SACRAMENTO, CA
Back to WTM Full portfolio

Position in WTM

as of Jun 30, 2026 · filed Aug 24, 2026
Position Value
$5,724,629
-$617,994 QoQ
Shares Held
2,761
-4.4% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#72
of 354 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $852,880,450 across 42 Insurance - Property & Casualty names. WTM ranks #16 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PGR
Progressive Corp/Oh/
 914,476 $199,767,282
2 CB
Chubb Ltd
 541,815 $184,618,043
3 TRV
Travelers Companies, Inc.
 335,305 $110,690,886
4 ALL
Allstate Corp
 407,900 $97,055,726
5 L
Loews Corp
 440,254 $49,841,155
6 CINF
Cincinnati Financial Corp
 225,713 $41,788,504
7 MKL
Markel Group Inc.
 18,035 $35,222,535
8 WRB
Berkley W R Corp
 318,375 $22,454,988

All Filings in WTM

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,724,629 2,761
2026-03-31 $6,342,623 2,887
2025-12-31 $5,105,719 2,457
2025-09-30 $4,066,808 2,433
2025-06-30 $4,259,447 2,372
2025-03-31 $4,568,021 2,372
2024-12-31 $4,664,254 2,398
2024-09-30 $4,109,892 2,423
2024-06-30 $4,525,450 2,490
2024-03-31 $4,582,642 2,554
2023-12-31 $4,054,496 2,694
2023-09-30 $4,216,349 2,819
2023-06-30 $4,291,731 3,090
2023-03-31 $4,406,590 3,199
2022-12-31 $4,582,429 3,240
2022-09-30 $4,342,965 3,333
2022-06-30 $4,758,970 3,819
2022-03-31 $4,347,254 3,826
2021-12-31 $4,278,658 4,220
2021-09-30 $5,503,143 5,145
2021-06-30 $5,898,578 5,138
2021-03-31 $5,853,225 5,250
2020-12-31 $5,261,470 5,258
2020-09-30 $4,032,104 5,176
2020-06-30 $4,506,447 5,075
2020-03-31 $4,681,950 5,145