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, Q1 2026
Institutional positions in Berkley W R Corp as of Mar 31, 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
- 926
- −9 vs. Q4 2025
- Shares held
- 278.9M
- +38.5M (+16.0%) vs. Q4 2025
- Total value
- $18.5B
- +$1.63B (+9.7%) vs. Q4 2025
- New holders
- 97
- 246 more added
- Sold out
- 106
- 423 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Berkley W R Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eurizon Capital SGR S.p.A. | 25,654 | $1.70M | 0.01% | −19,228−42.8% | Reduced |
| Schroder Investment Management Group | 25,812 | $1.71M | 0.00% | −73,009−73.9% | Reduced |
| Empowered Funds, LLC | 25,841 | $1.71M | 0.01% | +25,841 | New |
| Mirabella Financial Services LLP | 26,200 | $1.74M | 0.17% | +17,092+187.7% | Added |
| Mariner, LLC | 26,480 | $1.76M | 0.00% | −90,487−77.4% | Reduced |
| Nicholson Wealth Management Group, LLC | 26,841 | $1.78M | 1.04% | +2,332+9.5% | Added |
| Beacon Pointe Advisors, LLC | 26,845 | $1.78M | 0.01% | +664+2.5% | Added |
| Pacer Advisors, Inc. | 26,987 | $1.79M | 0.01% | −8,538−24.0% | Reduced |
| Scotia Capital Inc. | 27,157 | $1.80M | 0.01% | −10,645−28.2% | Reduced |
| Macquarie Group Ltd | 27,173 | $1.80M | 0.01% | −11,667−30.0% | Reduced |
| Belpointe Asset Management LLC | 27,312 | $1.81M | 0.07% | −615−2.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 28,090 | $1.86M | 0.00% | −1,997−6.6% | Reduced |
| TD Private Client Wealth LLC | 28,142 | $1.87M | 0.04% | −2,295−7.5% | Reduced |
| Virtus Investment Advisers, Inc. | 28,228 | $1.87M | 0.52% | +1,960+7.5% | Added |
| National Pension Service | 28,415 | $1.88M | 0.00% | −96,826−77.3% | Reduced |
| Neuberger Berman Group LLC | 28,590 | $1.89M | 0.00% | −7,516−20.8% | Reduced |
| Ci Investments Inc. | 28,655 | $1.90M | 0.01% | +6,283+28.1% | Added |
| American Trust | 28,966 | $1.92M | 0.17% | +2,585+9.8% | Added |
| Lido Advisors, LLC | 29,044 | $1.93M | 0.01% | +231+0.8% | Added |
| Applied Capital LLC | 29,068 | $1.93M | 1.40% | −607−2.0% | Reduced |
| Axq Capital, LP | 29,345 | $1.94M | 0.25% | +29,345 | New |
| Nordea Investment Management AB | 29,566 | $1.95M | 0.00% | −1,900−6.0% | Reduced |
| Citadel Investment Advisory, Inc. | 29,468 | $1.95M | 0.93% | −225−0.8% | Reduced |
| Allstate Corp | 30,051 | $1.99M | 0.02% | +2,670+9.8% | Added |
| Dark Forest Capital Management LP | 30,250 | $2.00M | 0.18% | +12,542+70.8% | Added |
| Prospera Financial Services Inc | 30,349 | $2.01M | 0.03% | +5,499+22.1% | Added |
| Alamar Capital Management, LLC | 30,575 | $2.03M | 1.24% | −2,061−6.3% | Reduced |
| OP Asset Management Ltd | 30,853 | $2.04M | 0.02% | −2,580−7.7% | Reduced |
| Leavell Investment Management, Inc. | 31,014 | $2.06M | 0.08% | −57−0.2% | Reduced |
| Marshall Wace, LLP | 31,635 | $2.10M | 0.00% | +27,402+647.3% | Added |
| Mutual of America Capital Management LLC | 31,692 | $2.10M | 0.02% | −545−1.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 32,294 | $2.14M | 0.01% | +75+0.2% | Added |
| Nissay Asset Management Corp | 32,521 | $2.16M | 0.01% | −6,398−16.4% | Reduced |
| Panagora Asset Management Inc | 32,794 | $2.17M | 0.01% | −5,502−14.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 33,001 | $2.19M | 0.04% | +11,808+55.7% | Added |
| Dean Capital Management | 33,168 | $2.20M | 0.91% | −20.0% | Reduced |
| Agate Pass Investment Management, LLC | 33,247 | $2.20M | 0.86% | −1,851−5.3% | Reduced |
| Ambassador Advisors, LLC | 33,487 | $2.22M | 0.34% | +392+1.2% | Added |
| Entropy Technologies, LP | 33,496 | $2.22M | 0.10% | +33,496 | New |
| Elo Mutual Pension Insurance Co | 33,567 | $2.22M | 0.04% | −22,776−40.4% | Reduced |
| British Columbia Investment Management Corp | 34,044 | $2.26M | 0.01% | −19,723−36.7% | Reduced |
| Ethic Inc. | 34,095 | $2.26M | 0.04% | −12,079−26.2% | Reduced |
| Avanza Fonder AB | 34,117 | $2.26M | 0.06% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 34,200 | $2.27M | 0.03% | −200−0.6% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 34,298 | $2.27M | 0.01% | −10,000−22.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 35,062 | $2.32M | 0.02% | −9,730−21.7% | Reduced |
| Argent Trust Co | 35,150 | $2.33M | 0.08% | +2,258+6.9% | Added |
| TD Waterhouse Canada Inc. | 36,516 | $2.38M | 0.01% | +33,491+1,107.1% | Added |
| Worldquant Millennium Advisors LLC | 35,945 | $2.38M | 0.01% | +35,945 | New |
| Twinbeech Capital LP | 36,100 | $2.39M | 0.25% | +36,100 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 36,198 | $2.40M | 0.02% | −145−0.4% | Reduced |
| UniSuper Management Pty Ltd | 36,266 | $2.40M | 0.02% | −1,328−3.5% | Reduced |
| Utah Retirement Systems | 36,553 | $2.42M | 0.02% | −11,649−24.2% | Reduced |
| Insight Inv LLC | 37,068 | $2.46M | 1.34% | +2,450+7.1% | Added |
| Los Angeles Capital Management LLC | 38,048 | $2.52M | 0.01% | +33,349+709.7% | Added |
| QRG Capital Management, Inc. | 38,254 | $2.54M | 0.03% | +724+1.9% | Added |
| Tealwood Asset Management Inc | 38,401 | $2.54M | 1.16% | −218−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 38,489 | $2.55M | 0.00% | +1,995+5.5% | Added |
| Resources Management Corp | 39,148 | $2.60M | 0.34% | +5,426+16.1% | Added |
| Hennessy Advisors Inc | 39,500 | $2.62M | 0.09% | +39,500 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 39,846 | $2.64M | 0.05% | +2,478+6.6% | Added |
| Callan Family Office, LLC | 40,802 | $2.70M | 0.06% | −12,466−23.4% | Reduced |
| Colony Group, LLC | 40,837 | $2.71M | 0.00% | −31,423−43.5% | Reduced |
| Yousif Capital Management, LLC | 40,927 | $2.71M | 0.03% | −1,201−2.9% | Reduced |
| JustInvest LLC | 40,955 | $2.71M | 0.03% | +948+2.4% | Added |
| New York Life Investment Management LLC | 44,271 | $2.93M | 0.02% | +670+1.5% | Added |
| Ameritas Investment Partners, Inc. | 44,380 | $2.94M | 0.09% | +406+0.9% | Added |
| CIBC World Markets Inc. | 44,486 | $2.95M | 0.01% | +8,966+25.2% | Added |
| Godshalk Welsh Capital Management, Inc. | 45,158 | $2.99M | 1.74% | −112−0.2% | Reduced |
| MML Investors Services, LLC | 46,205 | $3.06M | 0.01% | +3,459+8.1% | Added |
| NEOS Investment Management LLC | 46,458 | $3.08M | 0.02% | −13,160−22.1% | Reduced |
| Sound View Wealth Advisors Group, LLC | 46,754 | $3.10M | 0.21% | −230.0% | Reduced |
| Caldwell Trust Co | 47,276 | $3.13M | 0.28% | 00.0% | Unchanged |
| Thrive Capital Management, LLC | 48,586 | $3.22M | 0.71% | +62+0.1% | Added |
| Xponance, Inc. | 48,868 | $3.24M | 0.02% | −1,896−3.7% | Reduced |
| Stance Capital LLC | 49,215 | $3.26M | 1.58% | +16,996+52.8% | Added |
| Illumine Investment Management, LLC | 50,254 | $3.33M | 2.56% | −301−0.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 50,524 | $3.35M | 0.00% | −3,884−7.1% | Reduced |
| Credit Agricole S A | 51,278 | $3.40M | 0.01% | −13,267−20.6% | Reduced |
| Griffin Asset Management, Inc. | 51,725 | $3.43M | 0.39% | 00.0% | Unchanged |
| Agf Management Ltd | 51,831 | $3.44M | 0.02% | +13,485+35.2% | Added |
| Henshaw Capital LLC | 52,249 | $3.46M | 0.13% | +65+0.1% | Added |
| IFM Investors Pty Ltd | 52,277 | $3.46M | 0.03% | −5,617−9.7% | Reduced |
| Steel Peak Wealth Management LLC | 52,609 | $3.49M | 0.11% | −2,058−3.8% | Reduced |
| Advisory Services Network, LLC | 52,899 | $3.51M | 0.05% | −4,342−7.6% | Reduced |
| USS Investment Management Ltd | 52,990 | $3.51M | 0.01% | +6,545+14.1% | Added |
| Fairman Group, LLC | 53,124 | $3.52M | 3.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 53,642 | $3.56M | 0.01% | −85,545−61.5% | Reduced |
| Manning & Napier Advisors LLC | 54,231 | $3.59M | 0.05% | −3,080−5.4% | Reduced |
| KLCM Advisors, Inc. | 54,523 | $3.61M | 0.31% | 00.0% | Unchanged |
| Van Eck Associates Corp | 54,841 | $3.63M | 0.00% | +1,305+2.4% | Added |
| Asset Management Group, Inc. | 54,992 | $3.64M | 0.59% | −775−1.4% | Reduced |
| State of Alaska, Department of Revenue | 55,303 | $3.67M | 0.04% | 00.0% | Unchanged |
| Intrepid Capital Management Inc | 55,496 | $3.68M | 1.41% | +2,399+4.5% | Added |
| O'Shaughnessy Asset Management, LLC | 55,788 | $3.70M | 0.02% | −24,060−30.1% | Reduced |
| Daiwa Securities Group Inc. | 56,913 | $3.77M | 0.01% | −3,745−6.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 57,576 | $3.82M | 0.01% | +7,455+14.9% | Added |
| Amalgamated Bank | 58,330 | $3.87M | 0.03% | +2,898+5.2% | Added |
| Annandale Capital, LLC | 59,079 | $3.92M | 0.64% | −16,400−21.7% | Reduced |
| SEB Asset Management AB | 59,523 | $3.95M | 0.02% | +59,523 | New |