MAX — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| WHITE MOUNTAINS INSURANCE GROUP LTD | $224,457,638 | 17,856,614 | 35.51% | Shares |
| BlackRock, Inc. | $42,641,927 | 3,392,357 | 6.75% | Shares |
| Clearline Capital LP | $34,113,597 | 2,713,890 | 5.40% | Shares |
| VANGUARD GROUP INC | $33,294,347 | 2,570,992 | 5.27% | Shares |
| JPMORGAN CHASE & CO | $23,293,969 | 1,880,062 | 3.69% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $16,043,958 | 1,276,369 | 2.54% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $13,430,961 | 1,068,308 | 2.12% | Shares |
| Divisadero Street Capital Management, LP | $12,821,249 | 1,019,988 | 2.03% | Shares |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $12,208,386 | 971,232 | 1.93% | Shares |
| JACOBS ASSET MANAGEMENT, LLC | $11,561,396 | 919,761 | 1.83% | Shares |
| STATE STREET CORP | $10,838,294 | 862,235 | 1.71% | Shares |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $10,432,572 | 829,958 | 1.65% | Shares |
| MORGAN STANLEY | $10,322,107 | 821,170 | 1.63% | Shares |
| Nuveen, LLC | $9,458,259 | 752,447 | 1.50% | Shares |
| DIMENSIONAL FUND ADVISORS LP | $8,822,450 | 701,914 | 1.40% | Shares |
| J. Goldman & Co LP | $7,517,740 | 598,070 | 1.19% | Shares |
| CITADEL ADVISORS LLC | $7,412,479 | 589,696 | 1.17% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $7,220,296 | 574,407 | 1.14% | Shares |
| Shay Capital LLC | $7,164,900 | 570,000 | 1.13% | Shares |
| JANE STREET GROUP, LLC | $6,933,926 | 551,625 | 1.10% | Shares |
| D. E. Shaw & Co., Inc. | $6,736,590 | 535,926 | 1.07% | Shares |
| SPEECE THORSON CAPITAL GROUP INC | $6,148,000 | 489,098 | 0.97% | Shares |
| EVR Research LP | $5,530,800 | 440,000 | 0.88% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $5,443,388 | 433,046 | 0.86% | Shares |
| GOLDMAN SACHS GROUP INC | $5,390,845 | 428,866 | 0.85% | Shares |
| TWO SIGMA INVESTMENTS, LP | $5,147,164 | 409,480 | 0.81% | Shares |
| AQR CAPITAL MANAGEMENT LLC | $4,922,926 | 391,641 | 0.78% | Shares |
| BANK OF AMERICA CORP /DE/ | $4,674,029 | 371,840 | 0.74% | Shares |
| Triad Investment Management | $4,634,949 | 368,731 | 0.73% | Shares |
| Stoic Point Capital Management LLC | $3,735,176 | 297,150 | 0.59% | Shares |
| NORTHERN TRUST CORP | $3,357,535 | 267,107 | 0.53% | Shares |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $3,258,446 | 259,224 | 0.52% | Shares |
| Squarepoint Ops LLC | $2,944,585 | 234,255 | 0.47% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $2,814,637 | 223,917 | 0.45% | Shares |
| TEACHER RETIREMENT SYSTEM OF TEXAS | $2,720,211 | 216,405 | 0.43% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $2,629,694 | 209,204 | 0.42% | Shares |
| XTX Topco Ltd | $2,165,421 | 172,269 | 0.34% | Shares |
| ALGERT GLOBAL LLC | $2,147,836 | 170,870 | 0.34% | Shares |
| Man Group plc | $1,970,398 | 156,754 | 0.31% | Shares |
| ALLIANCEBERNSTEIN L.P. | $1,966,485 | 211,450 | 0.31% | Shares |
| PRINCIPAL FINANCIAL GROUP INC | $1,870,982 | 148,845 | 0.30% | Shares |
| Quantinno Capital Management LP | $1,709,947 | 136,034 | 0.27% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1,678,752 | 180,511 | 0.27% | Shares |
| Russell Investments Group, Ltd. | $1,629,701 | 130,360 | 0.26% | Shares |
| STIFEL FINANCIAL CORP | $1,586,025 | 126,175 | 0.25% | Shares |
| VICTORY CAPITAL MANAGEMENT INC | $1,274,158 | 101,365 | 0.20% | Shares |
| Balyasny Asset Management L.P. | $1,270,148 | 101,046 | 0.20% | Shares |
| Qube Research & Technologies Ltd | $1,162,134 | 92,453 | 0.18% | Shares |
| J. Goldman & Co LP | $1,111,188 | 88,400 | 0.18% | Call option |
| PDT Partners, LLC | $1,056,157 | 84,022 | 0.17% | Shares |
| CITADEL ADVISORS LLC | $1,047,081 | 83,300 | 0.17% | Call option |
| Bank of New York Mellon Corp | $1,024,506 | 81,504 | 0.16% | Shares |
| Walleye Capital LLC | $1,009,446 | 80,306 | 0.16% | Shares |
| FRANKLIN RESOURCES INC | $937,558 | 74,587 | 0.15% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $925,152 | 73,600 | 0.15% | Call option |
| Amundi | $883,809 | 70,311 | 0.14% | Shares |
| STATE OF WISCONSIN INVESTMENT BOARD | $883,784 | 70,309 | 0.14% | Shares |
| Allianz Asset Management GmbH | $882,112 | 70,176 | 0.14% | Shares |
| WINMILL & CO. INC | $818,332 | 65,102 | 0.13% | Shares |
| PEAK6 LLC | $786,882 | 62,600 | 0.12% | Call option |
| Swiss National Bank | $764,256 | 60,800 | 0.12% | Shares |
| BLAIR WILLIAM & CO/IL | $704,498 | 56,046 | 0.11% | Shares |
| GLOBEFLEX CAPITAL L P | $702,035 | 55,850 | 0.11% | Shares |
| Campbell & CO Investment Adviser LLC | $585,976 | 46,617 | 0.09% | Shares |
| RHUMBLINE ADVISERS | $577,357 | 45,932 | 0.09% | Shares |
| Hillsdale Investment Management Inc. | $576,963 | 45,900 | 0.09% | Shares |
| JANE STREET GROUP, LLC | $565,650 | 45,000 | 0.09% | Call option |
| Allspring Global Investments Holdings, LLC | $563,526 | 44,831 | 0.09% | Shares |
| SEI INVESTMENTS CO | $561,087 | 44,637 | 0.09% | Shares |
| Mariner, LLC | $516,986 | 41,127 | 0.08% | Shares |
| AlphaQuest LLC | $485,146 | 37,463 | 0.08% | Shares |
| Caption Management, LLC | $471,564 | 37,515 | 0.07% | Shares |
| MILLENNIUM MANAGEMENT LLC | $465,907 | 37,065 | 0.07% | Shares |
| DEUTSCHE BANK AG\ | $430,572 | 34,254 | 0.07% | Shares |
| Lighthouse Investment Partners, LLC | $427,393 | 34,001 | 0.07% | Shares |
| UBS Group AG | $422,377 | 33,602 | 0.07% | Shares |
| BARCLAYS PLC | $381,487 | 30,349 | 0.06% | Shares |
| Skopos Labs, Inc. | $369,434 | 39,724 | 0.06% | Shares |
| WELLS FARGO & COMPANY/MN | $354,009 | 28,163 | 0.06% | Shares |
| TWO SIGMA ADVISERS, LP | $348,303 | 26,896 | 0.06% | Shares |
| Legal & General Group Plc | $346,090 | 27,533 | 0.05% | Shares |
| Brevan Howard Capital Management LP | $340,861 | 27,117 | 0.05% | Shares |
| Dynamic Technology Lab Private Ltd | $338,000 | 26,868 | 0.05% | Shares |
| FMR LLC | $331,677 | 26,386 | 0.05% | Shares |
| Invesco Ltd. | $327,310 | 26,039 | 0.05% | Shares |
| TUDOR INVESTMENT CORP ET AL | $323,652 | 25,748 | 0.05% | Shares |
| ALLSTATE CORP | $317,858 | 25,287 | 0.05% | Shares |
| AXQ CAPITAL, LP | $315,721 | 25,117 | 0.05% | Shares |
| Abel Hall, LLC | $307,626 | 24,473 | 0.05% | Shares |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $303,452 | 24,141 | 0.05% | Shares |
| CITIGROUP INC | $301,718 | 24,003 | 0.05% | Shares |
| Corient Private Wealth LP | $294,780 | 23,451 | 0.05% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $292,215 | 23,247 | 0.05% | Shares |
| Nebula Research & Development LLC | $275,294 | 25,141 | 0.04% | Shares |
| Quantbot Technologies LP | $271,110 | 21,568 | 0.04% | Shares |
| MetLife Investment Management, LLC | $269,023 | 21,402 | 0.04% | Shares |
| JUPITER ASSET MANAGEMENT LTD | $266,132 | 21,172 | 0.04% | Shares |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $234,330 | 18,642 | 0.04% | Shares |
| VANGUARD ASSET MANAGEMENT, Ltd | $219,032 | 17,425 | 0.03% | Shares |
| Graham Capital Management, L.P. | $215,940 | 17,179 | 0.03% | Shares |
| MERCER GLOBAL ADVISORS INC /ADV | $208,599 | 16,595 | 0.03% | Shares |
| CWM, LLC | $208,553 | 22,425 | 0.03% | Shares |
| Creative Planning | $203,886 | 16,220 | 0.03% | Shares |
| NOMURA HOLDINGS INC | $201,849 | 16,058 | 0.03% | Shares |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $198,023 | 14,811 | 0.03% | Shares |
| IEQ CAPITAL, LLC | $193,163 | 15,367 | 0.03% | Shares |
| EP Wealth Advisors, LLC | $191,982 | 15,273 | 0.03% | Shares |
| Corton Capital Inc. | $190,729 | 16,760 | 0.03% | Shares |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $178,595 | 14,208 | 0.03% | Shares |
| Cerity Partners LLC | $171,166 | 13,617 | 0.03% | Shares |
| LPL Financial LLC | $167,181 | 13,300 | 0.03% | Shares |
| Vanguard Global Advisers, LLC | $154,033 | 12,254 | 0.02% | Shares |
| GLENMEDE TRUST CO NA | $153,580 | 12,218 | 0.02% | Shares |
| MACKENZIE FINANCIAL CORP | $152,562 | 12,137 | 0.02% | Shares |
| FOX RUN MANAGEMENT, L.L.C. | $142,380 | 11,327 | 0.02% | Shares |
| PRUDENTIAL FINANCIAL INC | $140,093 | 11,145 | 0.02% | Shares |
| Cresset Asset Management, LLC | $139,816 | 11,123 | 0.02% | Shares |
| Arax Advisory Partners | $132,413 | 10,534 | 0.02% | Shares |
| BANK OF MONTREAL /CAN/ | $131,910 | 10,494 | 0.02% | Shares |
| JANUS HENDERSON GROUP PLC | $129,055 | 13,862 | 0.02% | Shares |
| Police & Firemen's Retirement System of New Jersey | $121,803 | 9,690 | 0.02% | Shares |
| Vanguard Investments Australia, Ltd. | $88,153 | 7,013 | 0.01% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $78,738 | 6,264 | 0.01% | Shares |
| KLP KAPITALFORVALTNING AS | $74,578 | 5,933 | 0.01% | Shares |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | $56,565 | 4,500 | 0.01% | Shares |
| Ameritas Investment Partners, Inc. | $38,037 | 3,026 | 0.01% | Shares |
| Tower Research Capital LLC (TRC) | $36,277 | 2,886 | 0.01% | Shares |
| ROYAL BANK OF CANADA | $22,000 | 1,728 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $15,323 | 1,219 | 0.00% | Shares |
| OSAIC HOLDINGS, INC. | $13,036 | 1,037 | 0.00% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $12,019 | 957,095 | 0.00% | Shares |
| EverSource Wealth Advisors, LLC | $10,182 | 810 | 0.00% | Shares |
| Versant Capital Management, Inc | $9,197 | 961 | 0.00% | Shares |
| Rockefeller Capital Management L.P. | $8,598 | 684 | 0.00% | Shares |
| Allworth Financial LP | $7,605 | 605 | 0.00% | Shares |
| Farther Finance Advisors, LLC | $6,335 | 504 | 0.00% | Shares |
| Murphy & Mullick Capital Management Corp | $6,285 | 500 | 0.00% | Shares |
| GAMMA Investing LLC | $6,235 | 496 | 0.00% | Shares |
| FEDERATED HERMES, INC. | $5,832 | 464 | 0.00% | Shares |
| HUNTINGTON NATIONAL BANK | $4,903 | 390 | 0.00% | Shares |
| HRT FINANCIAL LP | $4,687 | 372,929 | 0.00% | Shares |
| Essential Partners LLC | $3,457 | 275 | 0.00% | Shares |
| PICTON MAHONEY ASSET MANAGEMENT | $2,413 | 192 | 0.00% | Shares |
| GROUP ONE TRADING LLC | $2,325 | 185 | 0.00% | Shares |
| Quarry LP | $2,074 | 165 | 0.00% | Shares |
| Buck Wealth Strategies, LLC | $1,923 | 153 | 0.00% | Shares |
| ROTHSCHILD INVESTMENT LLC | $1,785 | 142 | 0.00% | Shares |
| Marquette Asset Management, LLC | $1,748 | 139 | 0.00% | Shares |
| NISA INVESTMENT ADVISORS, LLC | $1,697 | 135 | 0.00% | Shares |
| Optiver Holding B.V. | $1,584 | 126 | 0.00% | Shares |
| Sterling Capital Management LLC | $1,320 | 105 | 0.00% | Shares |
| Fortitude Family Office, LLC | $1,270 | 101 | 0.00% | Shares |
| True Wealth Design, LLC | $1,006 | 80 | 0.00% | Shares |
| Parallel Advisors, LLC | $855 | 68 | 0.00% | Shares |
| PNC Financial Services Group, Inc. | $804 | 64 | 0.00% | Shares |
| Smartleaf Asset Management LLC | $545 | 44 | 0.00% | Shares |
| US BANCORP \DE\ | $490 | 39 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $467 | 37,076 | 0.00% | Shares |
| State of Alaska, Department of Revenue | $324 | 25,862 | 0.00% | Shares |
| MassMutual Private Wealth & Trust, FSB | $314 | 25 | 0.00% | Shares |
| SJS Investment Consulting Inc. | $164 | 13 | 0.00% | Shares |
| Covestor Ltd | $60 | 4,777 | 0.00% | Shares |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $39 | 3,128 | 0.00% | Shares |
| IFP Advisors, Inc | $25 | 2 | 0.00% | Shares |