Berkley W R Corp
WRB- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0000011544
No open-market purchases or sales by Berkley W R Corp insiders were filed in the last 90 days; 954 institutions reported holding it in 13F filings for Q2 2026, worth $19.7B in total; Markel Group is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Berkley W R Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 952
- +35 vs. Q3 2025
- Shares held
- 284.4M
- +40.1M (+16.4%) vs. Q3 2025
- Total value
- $19.9B
- +$1.29B (+6.9%) vs. Q3 2025
- New holders
- 134
- 311 more added
- Sold out
- 99
- 353 more reduced
17 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WRB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 954 | $19.7B |
| Q1 2026 | 926 | $18.5B |
| Q4 2025 | 952 | $19.9B |
| Q3 2025 | 934 | $18.7B |
| Q2 2025 | 923 | $18.7B |
| Q1 2025 | 915 | $18.7B |
| Q4 2024 | 876 | $15.3B |
| Q3 2024 | 800 | $14.8B |
| Q2 2024 | 758 | $13.8B |
| Q1 2024 | 772 | $15.9B |
| Q4 2023 | 728 | $12.6B |
| Q3 2023 | 667 | $11.0B |
| Q2 2023 | 660 | $10.3B |
| Q1 2023 | 693 | $11.2B |
| Q4 2022 | 716 | $13.2B |
| Q3 2022 | 667 | $11.9B |
| Q2 2022 | 665 | $12.6B |
| Q1 2022 | 617 | $12.1B |
| Q4 2021 | 575 | $10.1B |
| Q3 2021 | 513 | $9.04B |
| Q2 2021 | 526 | $9.17B |
| Q1 2021 | 507 | $9.36B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Berkley W R Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Burney Co | 115,250 | $8.08M | 0.25% | +180+0.2% | Added |
| Mariner, LLC | 116,967 | $8.19M | 0.01% | +52,239+80.7% | Added |
| Mn Services Vermogensbeheer B.V. | 116,868 | $8.20M | 0.05% | +4,318+3.8% | Added |
| Ameriprise Financial Inc | 117,479 | $8.24M | 0.00% | −348−0.3% | Reduced |
| Eagle Rock Investment Company, LLC | 118,876 | $8.34M | 1.18% | +18,820+18.8% | Added |
| Assetmark, Inc | 120,337 | $8.44M | 0.02% | +6,229+5.5% | Added |
| Treasurer of the State of North Carolina | 121,584 | $8.53M | 0.03% | −8,881−6.8% | Reduced |
| Ensign Peak Advisors, Inc | 123,345 | $8.65M | 0.02% | −29,482−19.3% | Reduced |
| Eagle Capital Management LLC | 123,547 | $8.66M | 0.03% | 00.0% | Unchanged |
| National Pension Service | 125,241 | $8.78M | 0.01% | −475,281−79.1% | Reduced |
| HighTower Advisors, LLC | 125,735 | $8.82M | 0.01% | +838+0.7% | Added |
| KBC Group NV | 125,935 | $8.83M | 0.02% | −4,078−3.1% | Reduced |
| Means Investment Co., Inc. | 126,465 | $8.87M | 0.75% | +20.0% | Added |
| Corbyn Investment Management Inc | 128,425 | $9.01M | 2.63% | +202+0.2% | Added |
| Financial Strategies Group, Inc. | 129,046 | $9.03M | 1.63% | +5,395+4.4% | Added |
| Alberta Investment Management Corp | 130,000 | $9.12M | 0.05% | +130,000 | New |
| Toronto Dominion Bank | 132,549 | $9.29M | 0.02% | −99,406−42.9% | Reduced |
| CI Private Wealth, LLC | 136,335 | $9.57M | 0.01% | −364,391−72.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 138,135 | $9.70M | 0.05% | +570+0.4% | Added |
| Asset Management One Co.,Ltd. | 137,015 | $9.70M | 0.03% | −1,324−1.0% | Reduced |
| Squarepoint Ops LLC | 139,187 | $9.76M | 0.02% | +131,195+1,641.6% | Added |
| Gabelli Funds LLC | 141,750 | $9.94M | 0.07% | +262+0.2% | Added |
| Frontier Capital Management Co LLC | 144,341 | $10.1M | 0.11% | −1,112−0.8% | Reduced |
| Speece Thorson Capital Group Inc | 144,862 | $10.2M | 2.20% | −8,307−5.4% | Reduced |
| Buckland Partners Management Co LLC | 148,500 | $10.4M | 5.78% | +148,500 | New |
| Prudential Financial Inc | 148,763 | $10.4M | 0.01% | −20,209−12.0% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 152,702 | $10.7M | 0.03% | −220−0.1% | Reduced |
| New York State Common Retirement Fund | 159,812 | $11.2M | 0.01% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 168,449 | $11.8M | 0.02% | +24,931+17.4% | Added |
| Moran Wealth Management, LLC | 172,670 | $12.1M | 0.37% | +37,129+27.4% | Added |
| Andra AP-fonden | 176,500 | $12.4M | 0.15% | +70,500+66.5% | Added |
| Capitolis Liquid Global Markets LLC | 178,000 | $12.5M | 0.07% | +178,000 | New |
| GHP Investment Advisors, Inc. | 178,992 | $12.6M | 0.52% | −1,143−0.6% | Reduced |
| Royce & Associates LP | 182,740 | $12.8M | 0.13% | −30,842−14.4% | Reduced |
| Standard Life Aberdeen plc | 182,865 | $12.8M | 0.02% | −6,240−3.3% | Reduced |
| TD Asset Management Inc | 188,069 | $13.2M | 0.01% | −216,992−53.6% | Reduced |
| Nisa Investment Advisors, LLC | 190,976 | $13.4M | 0.04% | +2,721+1.4% | Added |
| Mercer Global Advisors Inc | 192,866 | $13.5M | 0.02% | +3,134+1.7% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 194,793 | $13.7M | 0.11% | −7,450−3.7% | Reduced |
| National Bank of Canada | 202,560 | $14.2M | 0.01% | −48,622−19.4% | Reduced |
| Townsend & Associates, Inc | 206,808 | $14.2M | 1.27% | +4,777+2.4% | Added |
| Janney Montgomery Scott LLC | 203,534 | $14.3M | 0.03% | −11,355−5.3% | Reduced |
| Pictet Asset Management Holding SA | 206,788 | $14.5M | 0.01% | −19,390−8.6% | Reduced |
| Isthmus Partners, LLC | 208,728 | $14.6M | 1.63% | −2,543−1.2% | Reduced |
| RMB Capital Management, LLC | 212,300 | $14.9M | 0.26% | +380.0% | Added |
| SEI Investments Co | 213,176 | $14.9M | 0.01% | −40,992−16.1% | Reduced |
| Brandywine Global Investment Management, LLC | 220,882 | $15.5M | 0.10% | −4,467−2.0% | Reduced |
| Hutchinson Capital Management | 234,978 | $16.5M | 2.82% | +474+0.2% | Added |
| Gilder Gagnon Howe & Co LLC | 241,764 | $17.0M | 0.18% | −533−0.2% | Reduced |
| Quantinno Capital Management LP | 243,072 | $17.0M | 0.03% | +16,624+7.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 244,742 | $17.2M | 0.04% | −3,229−1.3% | Reduced |
| State of Wisconsin Investment Board | 246,565 | $17.3M | 0.04% | −29,565−10.7% | Reduced |
| Great West Life Assurance Co | 246,555 | $17.3M | 0.03% | −17,548−6.6% | Reduced |
| Illinois Municipal Retirement Fund | 250,676 | $17.6M | 0.22% | +37,876+17.8% | Added |
| Aviva PLC | 250,933 | $17.6M | 0.03% | +14,666+6.2% | Added |
| Bank of Montreal | 259,946 | $18.2M | 0.01% | +13,684+5.6% | Added |
| Fairholme Capital Management LLC | 260,150 | $18.2M | 1.27% | −1,300−0.5% | Reduced |
| Philo Smith Capital Corp | 260,381 | $18.3M | 5.02% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 253,401 | $18.3M | 0.03% | +299+0.1% | Added |
| Barlow Wealth Partners, Inc. | 269,657 | $18.5M | 1.99% | +3,952+1.5% | Added |
| Franklin Resources Inc | 267,094 | $18.7M | 0.00% | +95,634+55.8% | Added |
| State Board of Administration of Florida Retirement System | 267,114 | $18.7M | 0.03% | −38,660−12.6% | Reduced |
| New York State Teachers Retirement System | 268,505 | $18.8M | 0.04% | −810.0% | Reduced |
| Stephens Inc | 274,015 | $19.2M | 0.24% | +5,017+1.9% | Added |
| Silvercrest Asset Management Group LLC | 279,787 | $19.6M | 0.13% | +2,641+1.0% | Added |
| Gotham Asset Management, LLC | 281,125 | $19.7M | 0.07% | +69,133+32.6% | Added |
| Rockefeller Capital Management L.P. | 282,266 | $19.8M | 0.04% | +37,999+15.6% | Added |
| CWM, LLC | 294,091 | $20.6M | 0.06% | −11,620−3.8% | Reduced |
| ExodusPoint Capital Management, LP | 298,363 | $20.9M | 0.23% | +298,363 | New |
| LPL Financial LLC | 298,409 | $20.9M | 0.01% | +43,129+16.9% | Added |
| Storebrand Asset Management AS | 299,818 | $21.0M | 0.06% | +89,221+42.4% | Added |
| Stansberry Asset Management, LLC | 301,143 | $21.1M | 2.14% | −11,062−3.5% | Reduced |
| Wallington Asset Management, LLC | 317,865 | $22.3M | 2.83% | −603−0.2% | Reduced |
| Alliancebernstein L.P. | 327,364 | $23.0M | 0.01% | −28,893−8.1% | Reduced |
| Zacks Investment Management | 336,823 | $23.6M | 0.19% | −1,922−0.6% | Reduced |
| Public Employees Retirement Association of Colorado | 340,191 | $23.9M | 0.09% | −84,400−19.9% | Reduced |
| Bank of Nova Scotia | 343,803 | $24.1M | 0.04% | +242,919+240.8% | Added |
| SG Americas Securities, LLC | 344,040 | $24.1M | 0.03% | +320,027+1,332.7% | Added |
| Arbejdsmarkedets Tillaegspension | 347,460 | $24.4M | 0.62% | +347,460 | New |
| American Century Companies Inc | 368,310 | $25.8M | 0.01% | +66,901+22.2% | Added |
| America First Investment Advisors, LLC | 379,387 | $26.6M | 4.84% | −261−0.1% | Reduced |
| APG Asset Management N.V. | 447,218 | $26.7M | 0.08% | −58,663−11.6% | Reduced |
| California State Teachers Retirement System | 383,530 | $26.9M | 0.03% | +8,771+2.3% | Added |
| Price T Rowe Associates Inc | 428,246 | $30.0M | 0.00% | −10,572−2.4% | Reduced |
| Russell Investments Group, Ltd. | 463,568 | $32.6M | 0.04% | +149,863+47.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 479,097 | $33.6M | 0.04% | +87,961+22.5% | Added |
| Manufacturers Life Insurance Company, The | 480,369 | $33.7M | 0.03% | −694,539−59.1% | Reduced |
| Danske Bank A/S | 508,907 | $35.7M | 0.08% | +40,638+8.7% | Added |
| Citigroup Inc | 536,374 | $37.6M | 0.03% | +141,338+35.8% | Added |
| Maren Capital LLC | 536,470 | $37.6M | 2.02% | −527,355−49.6% | Reduced |
| Victory Capital Management Inc | 541,916 | $38.0M | 0.02% | −118,780−18.0% | Reduced |
| BNP Paribas Arbitrage, SA | 581,456 | $40.8M | 0.03% | +107,392+22.7% | Added |
| Nuveen, LLC | 600,639 | $42.1M | 0.01% | −1,212−0.2% | Reduced |
| Rhumbline Advisers | 619,832 | $43.5M | 0.04% | −38,943−5.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 634,244 | $44.0M | 0.03% | +41,125+6.9% | Added |
| Mraz, Amerine & Associates, Inc. | 633,285 | $44.4M | 6.60% | +9,076+1.5% | Added |
| BloombergSen Inc. | 679,920 | $47.7M | 5.03% | −52,647−7.2% | Reduced |
| Truist Financial Corp | 684,961 | $48.0M | 0.06% | −602,263−46.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 685,153 | $48.0M | 0.08% | +367,209+115.5% | Added |
| Stifel Financial Corp | 703,016 | $49.3M | 0.04% | −138,640−16.5% | Reduced |