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 |
|---|---|---|---|---|---|
| Sumitomo Mitsui Trust Holdings, Inc. | 717,356 | $50.3M | 0.03% | −11,388−1.6% | Reduced |
| Cerity Partners LLC | 747,731 | $52.4M | 0.08% | +316,842+73.5% | Added |
| California Public Employees Retirement System | 773,307 | $54.2M | 0.03% | −346,245−30.9% | Reduced |
| Parnassus Investments | 793,698 | $55.7M | 0.14% | −67,068−7.8% | Reduced |
| Amundi | 804,001 | $56.4M | 0.02% | +218,946+37.4% | Added |
| Brandes Investment Partners, LP | 817,992 | $57.4M | 0.44% | −170,844−17.3% | Reduced |
| Swiss National Bank | 831,462 | $58.3M | 0.03% | −43,300−4.9% | Reduced |
| Deutsche Bank AG | 867,184 | $60.8M | 0.02% | −76,532−8.1% | Reduced |
| Envestnet Asset Management Inc | 917,610 | $64.3M | 0.02% | −339,585−27.0% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 921,372 | $65.2M | 0.19% | +921,372 | New |
| Captrust Financial Advisors | 948,168 | $66.5M | 0.13% | −5,286−0.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,038,877 | $72.8M | 0.04% | +469,451+82.4% | Added |
| Barclays PLC | 1,045,669 | $73.3M | 0.03% | −147,003−12.3% | Reduced |
| Cornerstone Investment Partners, LLC | 1,099,746 | $77.1M | 2.99% | +133,804+13.9% | Added |
| Anchor Capital Advisors LLC | 1,126,351 | $79.0M | 2.29% | −26,990−2.3% | Reduced |
| Natixis Advisors, L.P. | 1,159,767 | $81.3M | 0.12% | −65,996−5.4% | Reduced |
| Dundas Partners LLP | 1,161,472 | $81.4M | 5.73% | −20,129−1.7% | Reduced |
| Confluence Investment Management LLC | 1,181,506 | $82.8M | 1.24% | −50,031−4.1% | Reduced |
| Raymond James Financial Inc | 1,192,060 | $83.6M | 0.03% | −129,770−9.8% | Reduced |
| FMR LLC | 1,269,533 | $89.0M | 0.00% | +980,906+339.9% | Added |
| EULAV Asset Management | 1,295,464 | $90.8M | 2.42% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,567,025 | $109.9M | 0.02% | −134,690−7.9% | Reduced |
| Chilton Investment Co LLC | 1,638,327 | $114.9M | 2.40% | −18,822−1.1% | Reduced |
| Madison Asset Management, LLC | 1,724,598 | $120.9M | 1.39% | −106,486−5.8% | Reduced |
| AQR Capital Management LLC | 1,729,041 | $121.2M | 0.06% | +80,128+4.9% | Added |
| HSBC Holdings PLC | 1,735,958 | $121.9M | 0.07% | +885,417+104.1% | Added |
| Charles Schwab Investment Management Inc | 1,876,963 | $131.6M | 0.02% | +19,073+1.0% | Added |
| Legal & General Group Plc | 2,060,831 | $144.5M | 0.03% | −73,734−3.5% | Reduced |
| Bank of New York Mellon Corp | 2,201,848 | $154.4M | 0.03% | +466,501+26.9% | Added |
| UBS Asset Management Americas Inc | 2,219,902 | $155.7M | 0.03% | +2,213,679+35,572.5% | Added |
| 1832 Asset Management L.P. | 2,323,657 | $162.9M | 0.21% | −73,513−3.1% | Reduced |
| Bank of America Corp | 2,353,962 | $165.1M | 0.01% | −217,095−8.4% | Reduced |
| Polar Capital Holdings Plc | 2,445,000 | $171.4M | 0.78% | −305,000−11.1% | Reduced |
| Principal Financial Group Inc | 2,707,852 | $189.9M | 0.10% | −2,533,657−48.3% | Reduced |
| Goldman Sachs Group Inc | 2,756,154 | $193.3M | 0.03% | +1,142,120+70.8% | Added |
| Royal London Asset Management Ltd | 2,790,374 | $195.7M | 0.41% | +26,726+1.0% | Added |
| Northern Trust Corp | 2,888,270 | $202.5M | 0.03% | −124,775−4.1% | Reduced |
| JPMorgan Chase & Co | 2,959,888 | $207.5M | 0.01% | −1,953,652−39.8% | Reduced |
| UBS Group AG | 3,505,867 | $245.8M | 0.05% | +906,100+34.9% | Added |
| Janus Henderson Group PLC | 3,557,807 | $249.5M | 0.11% | −3,382,139−48.7% | Reduced |
| First Trust Advisors LP | 3,595,187 | $252.1M | 0.18% | −625,749−14.8% | Reduced |
| Dimensional Fund Advisors LP | 3,638,379 | $255.1M | 0.05% | −73,046−2.0% | Reduced |
| Wells Fargo & Company | 3,990,309 | $279.8M | 0.05% | +85,165+2.2% | Added |
| Invesco Ltd. | 4,913,337 | $344.5M | 0.03% | +20,538+0.4% | Added |
| Norges Bank | 6,214,380 | $435.8M | 0.05% | +6,214,380 | New |
| Geode Capital Management, LLC | 8,348,791 | $587.0M | 0.04% | +4,536+0.1% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 8,709,181 | $610.7M | 1.64% | −785,257−8.3% | Reduced |
| Morgan Stanley | 9,798,358 | $687.1M | 0.04% | −2,006,209−17.0% | Reduced |
| State Street Corp | 14,916,433 | $1.05B | 0.04% | −4,6810.0% | Reduced |
| BlackRock, Inc. | 25,060,489 | $1.76B | 0.03% | +285,719+1.2% | Added |
| Vanguard Group Inc | 37,033,581 | $2.60B | 0.04% | +309,828+0.8% | Added |
| Mitsui Sumitomo Insurance Co Ltd | 50,526,511 | $3.54B | 100.00% | +50,526,511 | New |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −8,911,719−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −500,158−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −153,560−100.0% | Sold out |
| New Vernon Investment Management LLC | 0 | $0 | 0.00% | −92,206−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −79,089−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −77,035−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −76,500−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −74,227−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −43,339−100.0% | Sold out |
| Hilltop Holdings Inc. | 0 | $0 | 0.00% | −38,718−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −31,247−100.0% | Sold out |
| Achmea Investment Management B.V. | 0 | $0 | 0.00% | −30,417−100.0% | Sold out |
| WBI Investments | 0 | $0 | 0.00% | −30,242−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −18,159−100.0% | Sold out |
| Waverton Investment Management Ltd | 0 | $0 | 0.00% | −16,700−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −15,010−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −14,757−100.0% | Sold out |
| ING Groep NV | 0 | $0 | 0.00% | −14,033−100.0% | Sold out |
| Convergence Investment Partners, LLC | 0 | $0 | 0.00% | −13,731−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −39,572−100.0% | Sold out |
| Kepler Cheuvreux (Suisse) SA | 0 | $0 | 0.00% | −12,741−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −12,487−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −12,408−100.0% | Sold out |
| Fountainhead AM, LLC | 0 | $0 | 0.00% | −9,866−100.0% | Sold out |
| iA Global Asset Management Inc. | 0 | $0 | 0.00% | −8,717−100.0% | Sold out |
| Arbor Investment Advisors, LLC | 0 | $0 | 0.00% | −8,488−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −8,650−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −7,653−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −7,472−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −6,895−100.0% | Sold out |
| Maridea Wealth Management LLC | 0 | $0 | 0.00% | −7,180−100.0% | Sold out |
| Financiere des Professionnels - Fonds d,investissement inc. | 0 | $0 | 0.00% | −5,657−100.0% | Sold out |
| Horizon Advisory Services, Inc. | 0 | $0 | 0.00% | −5,197−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −4,644−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −4,534−100.0% | Sold out |
| Significant Wealth Partners LLC | 0 | $0 | 0.00% | −4,157−100.0% | Sold out |
| Peapack Gladstone Financial Corp | 0 | $0 | 0.00% | −4,113−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −3,974−100.0% | Sold out |
| Smith Shellnut Wilson LLC | 0 | $0 | 0.00% | −3,709−100.0% | Sold out |
| Requisite Capital Management, LLC | 0 | $0 | 0.00% | −3,655−100.0% | Sold out |
| Haverford Trust Co | 0 | $0 | 0.00% | −3,564−100.0% | Sold out |
| NorthRock Partners, LLC | 0 | $0 | 0.00% | −3,434−100.0% | Sold out |
| Foundations Investment Advisors, LLC | 0 | $0 | 0.00% | −3,373−100.0% | Sold out |
| Somerville Kurt F | 0 | $0 | 0.00% | −3,310−100.0% | Sold out |
| Gilbert & Cook, Inc. | 0 | $0 | 0.00% | −3,283−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −3,350−100.0% | Sold out |
| Advisors Preferred, LLC | 0 | $0 | 0.00% | −3,114−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,060−100.0% | Sold out |