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 |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 246,565 | $17.3M | 0.04% | −29,565−10.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 244,742 | $17.2M | 0.04% | −3,229−1.3% | Reduced |
| Quantinno Capital Management LP | 243,072 | $17.0M | 0.03% | +16,624+7.3% | Added |
| Gilder Gagnon Howe & Co LLC | 241,764 | $17.0M | 0.18% | −533−0.2% | Reduced |
| Hutchinson Capital Management | 234,978 | $16.5M | 2.82% | +474+0.2% | Added |
| Brandywine Global Investment Management, LLC | 220,882 | $15.5M | 0.10% | −4,467−2.0% | Reduced |
| SEI Investments Co | 213,176 | $14.9M | 0.01% | −40,992−16.1% | Reduced |
| RMB Capital Management, LLC | 212,300 | $14.9M | 0.26% | +380.0% | Added |
| Isthmus Partners, LLC | 208,728 | $14.6M | 1.63% | −2,543−1.2% | Reduced |
| Pictet Asset Management Holding SA | 206,788 | $14.5M | 0.01% | −19,390−8.6% | Reduced |
| Janney Montgomery Scott LLC | 203,534 | $14.3M | 0.03% | −11,355−5.3% | Reduced |
| Townsend & Associates, Inc | 206,808 | $14.2M | 1.27% | +4,777+2.4% | Added |
| National Bank of Canada | 202,560 | $14.2M | 0.01% | −48,622−19.4% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 194,793 | $13.7M | 0.11% | −7,450−3.7% | Reduced |
| Mercer Global Advisors Inc | 192,866 | $13.5M | 0.02% | +3,134+1.7% | Added |
| Nisa Investment Advisors, LLC | 190,976 | $13.4M | 0.04% | +2,721+1.4% | Added |
| TD Asset Management Inc | 188,069 | $13.2M | 0.01% | −216,992−53.6% | Reduced |
| Standard Life Aberdeen plc | 182,865 | $12.8M | 0.02% | −6,240−3.3% | Reduced |
| Royce & Associates LP | 182,740 | $12.8M | 0.13% | −30,842−14.4% | Reduced |
| GHP Investment Advisors, Inc. | 178,992 | $12.6M | 0.52% | −1,143−0.6% | Reduced |
| Capitolis Liquid Global Markets LLC | 178,000 | $12.5M | 0.07% | +178,000 | New |
| Andra AP-fonden | 176,500 | $12.4M | 0.15% | +70,500+66.5% | Added |
| Moran Wealth Management, LLC | 172,670 | $12.1M | 0.37% | +37,129+27.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 168,449 | $11.8M | 0.02% | +24,931+17.4% | Added |
| New York State Common Retirement Fund | 159,812 | $11.2M | 0.01% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 152,702 | $10.7M | 0.03% | −220−0.1% | Reduced |
| Prudential Financial Inc | 148,763 | $10.4M | 0.01% | −20,209−12.0% | Reduced |
| Buckland Partners Management Co LLC | 148,500 | $10.4M | 5.78% | +148,500 | New |
| Speece Thorson Capital Group Inc | 144,862 | $10.2M | 2.20% | −8,307−5.4% | Reduced |
| Frontier Capital Management Co LLC | 144,341 | $10.1M | 0.11% | −1,112−0.8% | Reduced |
| Gabelli Funds LLC | 141,750 | $9.94M | 0.07% | +262+0.2% | Added |
| Squarepoint Ops LLC | 139,187 | $9.76M | 0.02% | +131,195+1,641.6% | Added |
| Asset Management One Co.,Ltd. | 137,015 | $9.70M | 0.03% | −1,324−1.0% | Reduced |
| Resona Asset Management Co.,Ltd. | 138,135 | $9.70M | 0.05% | +570+0.4% | Added |
| CI Private Wealth, LLC | 136,335 | $9.57M | 0.01% | −364,391−72.8% | Reduced |
| Toronto Dominion Bank | 132,549 | $9.29M | 0.02% | −99,406−42.9% | Reduced |
| Alberta Investment Management Corp | 130,000 | $9.12M | 0.05% | +130,000 | New |
| Financial Strategies Group, Inc. | 129,046 | $9.03M | 1.63% | +5,395+4.4% | Added |
| Corbyn Investment Management Inc | 128,425 | $9.01M | 2.63% | +202+0.2% | Added |
| Means Investment Co., Inc. | 126,465 | $8.87M | 0.75% | +20.0% | Added |
| KBC Group NV | 125,935 | $8.83M | 0.02% | −4,078−3.1% | Reduced |
| HighTower Advisors, LLC | 125,735 | $8.82M | 0.01% | +838+0.7% | Added |
| National Pension Service | 125,241 | $8.78M | 0.01% | −475,281−79.1% | Reduced |
| Eagle Capital Management LLC | 123,547 | $8.66M | 0.03% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 123,345 | $8.65M | 0.02% | −29,482−19.3% | Reduced |
| Treasurer of the State of North Carolina | 121,584 | $8.53M | 0.03% | −8,881−6.8% | Reduced |
| Assetmark, Inc | 120,337 | $8.44M | 0.02% | +6,229+5.5% | Added |
| Eagle Rock Investment Company, LLC | 118,876 | $8.34M | 1.18% | +18,820+18.8% | Added |
| Ameriprise Financial Inc | 117,479 | $8.24M | 0.00% | −348−0.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 116,868 | $8.20M | 0.05% | +4,318+3.8% | Added |
| Mariner, LLC | 116,967 | $8.19M | 0.01% | +52,239+80.7% | Added |
| Burney Co | 115,250 | $8.08M | 0.25% | +180+0.2% | Added |
| Vega Investment Solutions | 113,752 | $8.03M | 1.28% | +113,752 | New |
| Korea Investment CORP | 113,796 | $7.98M | 0.02% | −39,237−25.6% | Reduced |
| Benjamin Edwards Inc | 112,328 | $7.88M | 0.09% | −14,140−11.2% | Reduced |
| Citadel Advisors LLC | 112,250 | $7.87M | 0.01% | +23,244+26.1% | Added |
| Erste Asset Management GmbH | 111,337 | $7.85M | 0.07% | +33,618+43.3% | Added |
| KLP Kapitalforvaltning AS | 110,179 | $7.73M | 0.03% | −52,900−32.4% | Reduced |
| Verdence Capital Advisors LLC | 109,527 | $7.68M | 0.45% | +7,848+7.7% | Added |
| State of Tennessee, Treasury Department | 111,802 | $7.67M | 0.02% | −67,409−37.6% | Reduced |
| Creative Planning | 108,996 | $7.64M | 0.01% | −207−0.2% | Reduced |
| Mattern Capital Management, LLC | 106,859 | $7.49M | 0.88% | +5,258+5.2% | Added |
| Advisor Group Holdings, Inc. | 106,477 | $7.47M | 0.01% | −1,621−1.5% | Reduced |
| Swiss Life Asset Management Ltd | 106,472 | $7.47M | 0.04% | −36,922−25.7% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 106,027 | $7.43M | 0.04% | +1,368+1.3% | Added |
| DekaBank Deutsche Girozentrale | 85,269 | $7.23M | 0.01% | 00.0% | Unchanged |
| Man Group plc | 102,970 | $7.22M | 0.01% | −549−0.5% | Reduced |
| Nomura Asset Management Co Ltd | 101,599 | $7.12M | 0.02% | +949+0.9% | Added |
| 7G Capital Management, LLC | 100,000 | $7.01M | 4.36% | 00.0% | Unchanged |
| Schroder Investment Management Group | 98,821 | $7.00M | 0.01% | −346,446−77.8% | Reduced |
| Dakota Wealth Management | 98,750 | $6.92M | 0.12% | +9,375+10.5% | Added |
| Trexquant Investment LP | 98,470 | $6.90M | 0.06% | +98,470 | New |
| State of New Jersey Common Pension Fund D | 98,165 | $6.88M | 0.02% | −3,499−3.4% | Reduced |
| Vestmark Advisory Solutions, Inc. | 96,620 | $6.77M | 0.09% | −1,839−1.9% | Reduced |
| Public Sector Pension Investment Board | 94,162 | $6.60M | 0.02% | +29,529+45.7% | Added |
| Gamco Investors, Inc. Et Al | 92,555 | $6.49M | 0.06% | +5,065+5.8% | Added |
| Gateway Investment Advisers LLC | 91,654 | $6.43M | 0.06% | +550+0.6% | Added |
| Rafferty Asset Management, LLC | 91,589 | $6.42M | 0.02% | −8,129−8.2% | Reduced |
| NewEdge Wealth, LLC | 90,152 | $6.32M | 0.07% | −3,620−3.9% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 90,093 | $6.32M | 0.16% | −17,874−16.6% | Reduced |
| Forsta Ap-Fonden | 87,650 | $6.15M | 0.04% | +16,500+23.2% | Added |
| Public Employees Retirement System of Ohio | 87,340 | $6.12M | 0.02% | −3,313−3.7% | Reduced |
| CBOE Vest Financial, LLC | 86,883 | $6.09M | 0.08% | +5,236+6.4% | Added |
| Handelsbanken Fonder AB | 83,695 | $5.87M | 0.02% | +8,234+10.9% | Added |
| Arizona State Retirement System | 83,181 | $5.83M | 0.03% | −6,473−7.2% | Reduced |
| CIBC Asset Management Inc | 82,407 | $5.78M | 0.01% | +35,531+75.8% | Added |
| State of Michigan Retirement System | 81,719 | $5.73M | 0.03% | −3,500−4.1% | Reduced |
| Commonwealth Equity Services, LLC | 81,120 | $5.69M | 0.01% | −11,379−12.3% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 81,083 | $5.69M | 0.02% | +1,576+2.0% | Added |
| O'Shaughnessy Asset Management, LLC | 79,848 | $5.60M | 0.03% | −2,087−2.5% | Reduced |
| Czech National Bank | 79,162 | $5.55M | 0.04% | +3,059+4.0% | Added |
| Intech Investment Management LLC | 79,036 | $5.54M | 0.05% | −47,970−37.8% | Reduced |
| Atria Investments LLC | 78,268 | $5.49M | 0.06% | −12,079−13.4% | Reduced |
| Cetera Investment Advisers | 78,014 | $5.47M | 0.01% | +915+1.2% | Added |
| Butensky & Cohen Financial Security, Inc | 77,972 | $5.47M | 1.48% | +1,130+1.5% | Added |
| Baxter Bros Inc | 77,229 | $5.42M | 0.63% | −2,915−3.6% | Reduced |
| Mackenzie Financial Corp | 76,117 | $5.38M | 0.01% | +17,634+30.2% | Added |
| Montag A & Associates Inc | 76,649 | $5.37M | 0.25% | −4,038−5.0% | Reduced |
| Annandale Capital, LLC | 75,479 | $5.29M | 0.86% | −7,050−8.5% | Reduced |
| Tudor Investment Corp Et Al | 75,015 | $5.26M | 0.03% | +65,432+682.8% | Added |