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 $19.8B in total; Markel Group is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Berkley W R Corp as of Jun 30, 2026. 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
- 954
- +36 vs. Q1 2026
- Shares held
- 280.0M
- +3.77M (+1.4%) vs. Q1 2026
- Total value
- $19.8B
- +$1.46B (+8.0%) vs. Q1 2026
- New holders
- 121
- 338 more added
- Sold out
- 85
- 328 more reduced
8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $19.8B |
| Q1 2026 | 926 | $18.5B |
| Q4 2025 | 952 | $20.1B |
| Q3 2025 | 934 | $19.3B |
| Q2 2025 | 923 | $18.8B |
| Q1 2025 | 915 | $18.7B |
| Q4 2024 | 876 | $15.3B |
| Q3 2024 | 800 | $15.2B |
| Q2 2024 | 758 | $14.2B |
| Q1 2024 | 772 | $18.5B |
| Q4 2023 | 728 | $13.8B |
| Q3 2023 | 667 | $11.1B |
| Q2 2023 | 660 | $10.4B |
| Q1 2023 | 693 | $11.3B |
| Q4 2022 | 716 | $13.2B |
| Q3 2022 | 668 | $12.6B |
| 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 | $9.37B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Berkley W R Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mitsui Sumitomo Insurance Co Ltd | 58,780,450 | $4.15B | 100.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 21,934,626 | $1.55B | 0.02% | −1,345,982−5.8% | Reduced |
| Vanguard Capital Management LLC | 18,690,969 | $1.32B | 0.03% | −234,872−1.2% | Reduced |
| Vanguard Portfolio Management LLC | 14,550,971 | $1.03B | 0.05% | −199,262−1.4% | Reduced |
| State Street Corp | 14,126,628 | $1.00B | 0.03% | −278,782−1.9% | Reduced |
| Geode Capital Management, LLC | 8,268,721 | $588.5M | 0.03% | +39,067+0.5% | Added |
| Morgan Stanley | 8,252,790 | $582.1M | 0.03% | −2,159,675−20.7% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 6,377,064 | $449.8M | 1.40% | −1,395,149−18.0% | Reduced |
| Invesco Ltd. | 5,028,284 | $354.6M | 0.03% | −23,481−0.5% | Reduced |
| Goldman Sachs Group Inc | 4,158,216 | $293.3M | 0.03% | +1,306,932+45.8% | Added |
| Dimensional Fund Advisors LP | 4,041,846 | $285.1M | 0.05% | +273,666+7.3% | Added |
| Wells Fargo & Company | 3,720,958 | $262.4M | 0.05% | −68,708−1.8% | Reduced |
| AQR Capital Management LLC | 3,680,160 | $259.6M | 0.09% | +1,832,055+99.1% | Added |
| First Trust Advisors LP | 3,624,858 | $255.7M | 0.15% | −348,071−8.8% | Reduced |
| Norges Bank | 3,148,633 | $222.1M | 0.02% | +3,148,633 | New |
| Bank of America Corp | 2,849,413 | $201.0M | 0.01% | −55,109−1.9% | Reduced |
| UBS Group AG | 2,835,322 | $200.0M | 0.03% | −432,454−13.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 2,588,583 | $182.6M | 0.08% | +1,785,433+222.3% | Added |
| Northern Trust Corp | 2,552,698 | $180.0M | 0.02% | −152,697−5.6% | Reduced |
| 1832 Asset Management L.P. | 2,293,864 | $161.8M | 0.20% | −570.0% | Reduced |
| JPMorgan Chase & Co | 2,154,477 | $153.0M | 0.01% | −1,119,487−34.2% | Reduced |
| Polar Capital Holdings Plc | 2,130,000 | $150.2M | 0.43% | −145,000−6.4% | Reduced |
| Royal London Asset Management Ltd | 2,115,249 | $149.2M | 0.27% | −169,334−7.4% | Reduced |
| Anchor Capital Advisors LLC | 2,070,700 | $146.0M | 2.05% | +936,810+82.6% | Added |
| UBS Asset Management Americas Inc | 2,041,622 | $144.0M | 0.03% | −133,870−6.2% | Reduced |
| Two Sigma Investments, LP | 2,013,358 | $142.0M | 0.11% | +1,740,369+637.5% | Added |
| Charles Schwab Investment Management Inc | 1,917,449 | $135.2M | 0.02% | +16,144+0.8% | Added |
| Vanguard Fiduciary Trust Co | 1,632,946 | $115.2M | 0.03% | −25,923−1.6% | Reduced |
| Legal & General Group Plc | 1,599,505 | $112.8M | 0.02% | −271,539−14.5% | Reduced |
| Madison Asset Management, LLC | 1,497,784 | $105.6M | 1.26% | −121,122−7.5% | Reduced |
| Citadel Advisors LLC | 1,475,954 | $104.1M | 0.06% | +81,813+5.9% | Added |
| Natixis Advisors, L.P. | 1,466,496 | $103.4M | 0.12% | +117,538+8.7% | Added |
| Principal Financial Group Inc | 1,461,348 | $103.1M | 0.05% | −457,032−23.8% | Reduced |
| FMR LLC | 1,446,808 | $102.0M | 0.00% | +57,446+4.1% | Added |
| Barclays PLC | 1,440,408 | $101.6M | 0.03% | +213,065+17.4% | Added |
| Bank of New York Mellon Corp | 1,347,506 | $95.0M | 0.02% | −686,426−33.7% | Reduced |
| Chilton Investment Co LLC | 1,339,877 | $94.5M | 2.27% | −48,915−3.5% | Reduced |
| Cornerstone Investment Partners, LLC | 1,336,146 | $94.2M | 3.15% | +283,642+26.9% | Added |
| Deutsche Bank AG | 1,305,627 | $92.1M | 0.03% | +160,870+14.1% | Added |
| Jones Financial Companies LLLP | 1,259,360 | $89.8M | 0.04% | +112,053+9.8% | Added |
| Royal Bank of Canada | 1,257,518 | $88.7M | 0.02% | −39,357−3.0% | Reduced |
| HSBC Holdings PLC | 1,110,733 | $78.6M | 0.04% | +7,401+0.7% | Added |
| Confluence Investment Management LLC | 1,031,752 | $72.8M | 1.14% | −81,648−7.3% | Reduced |
| Raymond James Financial Inc | 993,028 | $70.0M | 0.02% | −107,347−9.8% | Reduced |
| BNP Paribas Arbitrage, SA | 969,375 | $68.4M | 0.04% | +387,220+66.5% | Added |
| Millennium Management LLC | 936,192 | $66.0M | 0.04% | +476,965+103.9% | Added |
| Bristol Gate Capital Partners Inc. | 918,030 | $64.7M | 4.51% | +918,030 | New |
| EULAV Asset Management | 906,464 | $63.9M | 2.04% | −324,000−26.3% | Reduced |
| Jane Street Group, LLC | 875,704 | $61.8M | 0.04% | −138,431−13.7% | Reduced |
| Envestnet Asset Management Inc | 830,557 | $58.6M | 0.01% | −65,611−7.3% | Reduced |
| Cerity Partners LLC | 814,688 | $57.5M | 0.07% | +39,279+5.1% | Added |
| Parnassus Investments | 779,771 | $55.0M | 0.15% | −26,332−3.3% | Reduced |
| Squarepoint Ops LLC | 751,280 | $53.0M | 0.10% | +697,638+1,300.5% | Added |
| Citigroup Inc | 709,852 | $50.1M | 0.02% | +2,738+0.4% | Added |
| Manufacturers Life Insurance Company, The | 651,963 | $46.0M | 0.04% | +152,124+30.4% | Added |
| Amundi | 647,848 | $45.7M | 0.01% | −73,192−10.2% | Reduced |
| Mraz, Amerine & Associates, Inc. | 635,753 | $44.8M | 6.43% | +5,160+0.8% | Added |
| Vanguard Global Advisers, LLC | 630,210 | $44.4M | 0.02% | −18,198−2.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 628,784 | $44.3M | 0.02% | +6,228+1.0% | Added |
| Stifel Financial Corp | 620,960 | $43.8M | 0.04% | −45,769−6.9% | Reduced |
| Swiss National Bank | 607,262 | $42.8M | 0.02% | −117,700−16.2% | Reduced |
| Nuveen, LLC | 580,231 | $40.9M | 0.01% | +56,414+10.8% | Added |
| Tudor Investment Corp Et Al | 571,238 | $40.3M | 0.17% | +144,893+34.0% | Added |
| Rhumbline Advisers | 562,316 | $39.7M | 0.03% | −13,406−2.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 561,587 | $39.6M | 0.06% | +542,866+2,899.8% | Added |
| Caisse de Depot Et Placement du Quebec | 556,725 | $39.3M | 0.06% | −101,865−15.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 525,095 | $37.0M | 0.02% | −38,673−6.9% | Reduced |
| Brandes Investment Partners, LP | 516,132 | $36.4M | 0.26% | +2,915+0.6% | Added |
| Truist Financial Corp | 468,920 | $33.1M | 0.04% | −103,314−18.1% | Reduced |
| Canada Pension Plan Investment Board | 432,603 | $30.5M | 0.02% | +432,603 | New |
| Vanguard Asset Management, Ltd | 429,847 | $30.3M | 0.02% | +24,025+5.9% | Added |
| Price T Rowe Associates Inc | 420,968 | $29.7M | 0.00% | −2,186−0.5% | Reduced |
| California Public Employees Retirement System | 416,611 | $29.4M | 0.02% | −85,950−17.1% | Reduced |
| Russell Investments Group, Ltd. | 415,808 | $29.4M | 0.03% | +8,723+2.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 411,605 | $29.0M | 0.03% | +219,509+114.3% | Added |
| Victory Capital Management Inc | 411,560 | $29.0M | 0.02% | −60,742−12.9% | Reduced |
| Dundas Partners LLP | 390,567 | $27.5M | 1.99% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 389,863 | $27.5M | 0.03% | +126,684+48.1% | Added |
| America First Investment Advisors, LLC | 383,605 | $27.1M | 5.02% | +3,270+0.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 377,811 | $26.7M | 0.04% | +266,956+240.8% | Added |
| Franklin Resources Inc | 374,673 | $26.4M | 0.01% | −18,409−4.7% | Reduced |
| CIBC Asset Management Inc | 367,934 | $26.0M | 0.06% | +283,212+334.3% | Added |
| Silvercrest Asset Management Group LLC | 364,547 | $25.7M | 0.17% | +90,500+33.0% | Added |
| Susquehanna Fundamental Investments, LLC | 358,749 | $25.3M | 0.48% | +178,050+98.5% | Added |
| APG Asset Management N.V. | 389,251 | $24.0M | 0.06% | −12,876−3.2% | Reduced |
| Zacks Investment Management | 333,691 | $23.5M | 0.17% | +5,279+1.6% | Added |
| California State Teachers Retirement System | 318,375 | $22.5M | 0.02% | +8,760+2.8% | Added |
| Bank of Nova Scotia | 316,642 | $22.3M | 0.03% | +6,166+2.0% | Added |
| Credit Agricole S A | 315,524 | $22.3M | 0.06% | +264,246+515.3% | Added |
| Capitolis Liquid Global Markets LLC | 308,000 | $21.7M | 0.09% | +308,000 | New |
| Bank of Montreal | 299,915 | $21.2M | 0.01% | +52,686+21.3% | Added |
| D. E. Shaw & Co., Inc. | 290,364 | $20.5M | 0.01% | +89,551+44.6% | Added |
| Barlow Wealth Partners, Inc. | 271,315 | $19.3M | 2.09% | +1,031+0.4% | Added |
| Alliancebernstein L.P. | 288,882 | $19.1M | 0.01% | −3,993−1.4% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 269,218 | $19.0M | 0.09% | −41,800−13.4% | Reduced |
| Rockefeller Capital Management L.P. | 265,691 | $18.7M | 0.03% | −12,809−4.6% | Reduced |
| Danske Bank A/S | 260,160 | $18.3M | 0.04% | −12,000−4.4% | Reduced |
| Philo Smith Capital Corp | 259,381 | $18.3M | 4.97% | −1,000−0.4% | Reduced |
| Fairholme Capital Management LLC | 256,350 | $18.1M | 1.21% | 00.0% | Unchanged |
| National Bank of Canada | 253,485 | $17.9M | 0.02% | +94,453+59.4% | Added |