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 |
|---|---|---|---|---|---|
| Weiss Asset Management LP | 15,346 | $1.08M | 0.02% | +15,346 | New |
| Fairfield, Bush & Co. | 15,336 | $1.08M | 0.57% | −125−0.8% | Reduced |
| Louisiana State Employees Retirement System | 15,300 | $1.07M | 0.02% | −400−2.5% | Reduced |
| Ancora Advisors, LLC | 15,271 | $1.07M | 0.02% | −154−1.0% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 15,148 | $1.06M | 0.01% | 00.0% | Unchanged |
| Impact Partnership Wealth, LLC | 15,132 | $1.06M | 0.14% | +3,998+35.9% | Added |
| Jump Financial, LLC | 15,110 | $1.06M | 0.01% | +15,110 | New |
| Maryland State Retirement & Pension System | 14,759 | $1.03M | 0.02% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 14,754 | $1.03M | 0.01% | +11,760+392.8% | Added |
| Everence Capital Management Inc | 14,737 | $1.03M | 0.06% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 14,685 | $1.03M | 0.01% | +4,141+39.3% | Added |
| Merit Financial Group, LLC | 14,652 | $1.03M | 0.01% | −3,833−20.7% | Reduced |
| Nations Financial Group Inc, | 14,614 | $1.02M | 0.05% | −1,836−11.2% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 14,567 | $1.02M | 0.05% | −208−1.4% | Reduced |
| Sepio Capital, LP | 14,516 | $1.02M | 0.06% | −4,315−22.9% | Reduced |
| Great Lakes Advisors, LLC | 14,476 | $1.02M | 0.01% | +434+3.1% | Added |
| Inspire Advisors, LLC | 14,364 | $1.01M | 0.09% | +144+1.0% | Added |
| Apollon Wealth Management, LLC | 14,294 | $1.00M | 0.02% | +1,451+11.3% | Added |
| SummitTX Capital, L.P. | 14,262 | $1.00M | 0.03% | +5,783+68.2% | Added |
| Park Avenue Securities LLC | 14,191 | $995.0K | 0.01% | +714+5.3% | Added |
| Allianz Asset Management GmbH | 14,131 | $990.9K | 0.00% | −111,330−88.7% | Reduced |
| Vise Technologies, Inc. | 13,885 | $973.6K | 0.02% | +2,915+26.6% | Added |
| New Mexico Educational Retirement Board | 13,875 | $973.0K | 0.03% | +300+2.2% | Added |
| Exchange Traded Concepts, LLC | 13,583 | $952.4K | 0.01% | −290−2.1% | Reduced |
| Armistice Capital, LLC | 13,523 | $948.2K | 0.02% | +13,523 | New |
| Bellevue Asset Management, LLC | 13,509 | $947.4K | 0.46% | −7−0.1% | Reduced |
| Kornitzer Capital Management Inc | 13,465 | $944.2K | 0.02% | −557−4.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 13,401 | $939.7K | 0.00% | −5,164−27.8% | Reduced |
| Compass Wealth Management LLC | 13,331 | $934.8K | 0.23% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 13,426 | $931.2K | 0.00% | −176−1.3% | Reduced |
| Caisse des Depots Et Consignations | 13,103 | $918.8K | 0.02% | 00.0% | Unchanged |
| DF Dent & Co Inc | 13,040 | $914.4K | 0.01% | −2,250−14.7% | Reduced |
| Impact Capital Partners LLC | 13,033 | $913.9K | 0.27% | −211−1.6% | Reduced |
| Tokio Marine Asset Management Co Ltd | 12,977 | $909.9K | 0.03% | 00.0% | Unchanged |
| Adalta Capital Management LLC | 12,705 | $890.9K | 0.40% | +620+5.1% | Added |
| Abn Amro Investment Solutions | 12,573 | $881.6K | 0.01% | +8,968+248.8% | Added |
| Net Worth Advisory Group | 12,540 | $879.3K | 0.18% | +1,240+11.0% | Added |
| Mount Lucas Management LP | 12,503 | $876.7K | 0.39% | +107+0.9% | Added |
| Advisory Alpha, LLC | 12,457 | $873.5K | 0.02% | +2,150+20.9% | Added |
| Summit Trail Advisors, LLC | 12,388 | $868.6K | 0.02% | −1,715−12.2% | Reduced |
| Swedbank AB | 12,376 | $867.8K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 12,354 | $866.3K | 0.04% | +181+1.5% | Added |
| Ashton Thomas Private Wealth, LLC | 12,345 | $865.6K | 0.02% | +112+0.9% | Added |
| MUFG Securities EMEA plc | 12,298 | $862.3K | 0.01% | +6,563+114.4% | Added |
| Strategy Asset Managers LLC | 12,239 | $858.2K | 0.14% | −123−1.0% | Reduced |
| Thompson Siegel & Walmsley LLC | 11,929 | $836.0K | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 11,868 | $832.2K | 0.00% | +6+0.1% | Added |
| Cushing Capital Partners, LLC | 11,835 | $829.8K | 0.61% | −573−4.6% | Reduced |
| Commerce Bank | 11,806 | $827.8K | 0.00% | +2,141+22.2% | Added |
| Cumberland Partners Ltd | 11,765 | $825.0K | 0.05% | 00.0% | Unchanged |
| HB Wealth Management, LLC | 11,722 | $822.0K | 0.01% | +167+1.4% | Added |
| Nomura Holdings Inc | 11,699 | $820.3K | 0.00% | −930−7.4% | Reduced |
| LVW Advisors, LLC | 11,697 | $820.2K | 0.08% | −687−5.5% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 11,408 | $799.9K | 0.00% | −2,153−15.9% | Reduced |
| Commerzbank Aktiengesellschaft | 11,347 | $796.0K | 0.02% | +11,347 | New |
| Moody Lynn & Lieberson, LLC | 11,310 | $793.1K | 0.04% | −2,177−16.1% | Reduced |
| NCM Capital Management, LLC | 11,259 | $789.5K | 0.29% | 00.0% | Unchanged |
| Oak Thistle LLC | 11,206 | $785.8K | 0.11% | +11,206 | New |
| Blair William & Co | 11,171 | $783.3K | 0.00% | +1,676+17.7% | Added |
| Quantbot Technologies LP | 11,144 | $781.4K | 0.03% | +11,144 | New |
| J.M. Arbour, LLC | 11,142 | $781.3K | 0.78% | +11,142 | New |
| Brown Brothers Harriman & Co | 11,121 | $779.8K | 0.00% | +3,311+42.4% | Added |
| Trueblood Wealth Management, LLC | 11,087 | $777.4K | 0.30% | +1,454+15.1% | Added |
| Omers Administration Corp | 11,049 | $774.8K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 11,001 | $771.4K | 0.01% | −50.0% | Reduced |
| Empirical Asset Management, LLC | 10,966 | $768.9K | 0.22% | +2,061+23.1% | Added |
| Equitable Holdings, Inc. | 10,945 | $767.5K | 0.01% | +2,495+29.5% | Added |
| Brown Advisory Inc | 10,944 | $767.4K | 0.00% | +3,026+38.2% | Added |
| Baird Financial Group, Inc. | 10,867 | $762.0K | 0.00% | +2,580+31.1% | Added |
| Global Retirement Partners, LLC | 10,843 | $760.3K | 0.01% | +10,009+1,200.1% | Added |
| Bessemer Group Inc | 10,820 | $759.0K | 0.00% | −2,846−20.8% | Reduced |
| E. Ohman J:or Asset Management AB | 10,747 | $753.6K | 0.02% | +10,747 | New |
| Mount Yale Investment Advisors, LLC | 10,720 | $751.7K | 0.04% | +4,009+59.7% | Added |
| Aprio Wealth Management, LLC | 10,635 | $745.7K | 0.04% | +10,635 | New |
| Resources Investment Advisors, LLC. | 10,562 | $740.6K | 0.01% | +182+1.8% | Added |
| GWM Advisors LLC | 10,554 | $740.1K | 0.00% | +1,138+12.1% | Added |
| Murphy Pohlad Asset Management LLC | 10,462 | $733.6K | 0.28% | −100−0.9% | Reduced |
| Coastal Bridge Advisors, LLC | 10,277 | $720.6K | 0.05% | +154+1.5% | Added |
| Williams Jones Wealth Management, LLC. | 10,199 | $715.2K | 0.01% | +249+2.5% | Added |
| Gifford Fong Associates | 10,125 | $710.0K | 0.14% | 00.0% | Unchanged |
| Empirical Finance, LLC | 10,087 | $707.3K | 0.03% | −451−4.3% | Reduced |
| Teacher Retirement System of Texas | 10,054 | $705.0K | 0.00% | −246,462−96.1% | Reduced |
| Siemens Fonds Invest GmbH | 9,918 | $702.2K | 0.04% | +1,026+11.5% | Added |
| Keb Asset Management, LLC | 9,980 | $699.8K | 0.14% | +6+0.1% | Added |
| North Dakota State Investment Board | 9,943 | $697.2K | 0.03% | +9,943 | New |
| Rydar Equities, Inc. | 9,803 | $687.4K | 0.54% | +613+6.7% | Added |
| L2 Asset Management, LLC | 9,801 | $687.2K | 0.09% | −438−4.3% | Reduced |
| Venturi Wealth Management, LLC | 9,737 | $682.8K | 0.03% | −3,431−26.1% | Reduced |
| Tectonic Advisors LLC | 9,676 | $678.5K | 0.04% | +680+7.6% | Added |
| Northwestern Mutual Investment Management Company, LLC | 9,593 | $672.7K | 0.01% | +42+0.4% | Added |
| Baader Bank INC | 9,670 | $668.7K | 0.06% | +290+3.1% | Added |
| Everpar Advisors LLC | 9,437 | $661.7K | 0.25% | −1,367−12.7% | Reduced |
| Fort Washington Investment Advisors Inc | 9,434 | $661.5K | 0.00% | +170+1.8% | Added |
| King Luther Capital Management Corp | 9,426 | $661.0K | 0.00% | 00.0% | Unchanged |
| Bradley Foster & Sargent Inc | 9,335 | $654.6K | 0.01% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 9,301 | $652.2K | 0.00% | +4,928+112.7% | Added |
| Storgate, LLC | 9,238 | $647.8K | 0.53% | +9,238 | New |
| Change Path, LLC | 9,213 | $646.0K | 0.02% | −280−2.9% | Reduced |
| Mirabella Financial Services LLP | 9,108 | $638.7K | 0.06% | +9,108 | New |
| Skopos Labs, Inc. | 8,925 | $631.7K | 0.03% | +8,925 | New |