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 |
|---|---|---|---|---|---|
| Nomura Holdings Inc | 11,699 | $820.3K | 0.00% | −930−7.4% | Reduced |
| HB Wealth Management, LLC | 11,722 | $822.0K | 0.01% | +167+1.4% | Added |
| Cumberland Partners Ltd | 11,765 | $825.0K | 0.05% | 00.0% | Unchanged |
| Commerce Bank | 11,806 | $827.8K | 0.00% | +2,141+22.2% | Added |
| Cushing Capital Partners, LLC | 11,835 | $829.8K | 0.61% | −573−4.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 11,868 | $832.2K | 0.00% | +6+0.1% | Added |
| Thompson Siegel & Walmsley LLC | 11,929 | $836.0K | 0.01% | 00.0% | Unchanged |
| Strategy Asset Managers LLC | 12,239 | $858.2K | 0.14% | −123−1.0% | Reduced |
| MUFG Securities EMEA plc | 12,298 | $862.3K | 0.01% | +6,563+114.4% | Added |
| Ashton Thomas Private Wealth, LLC | 12,345 | $865.6K | 0.02% | +112+0.9% | Added |
| GAMMA Investing LLC | 12,354 | $866.3K | 0.04% | +181+1.5% | Added |
| Swedbank AB | 12,376 | $867.8K | 0.00% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 12,388 | $868.6K | 0.02% | −1,715−12.2% | Reduced |
| Advisory Alpha, LLC | 12,457 | $873.5K | 0.02% | +2,150+20.9% | Added |
| Mount Lucas Management LP | 12,503 | $876.7K | 0.39% | +107+0.9% | Added |
| Net Worth Advisory Group | 12,540 | $879.3K | 0.18% | +1,240+11.0% | Added |
| Abn Amro Investment Solutions | 12,573 | $881.6K | 0.01% | +8,968+248.8% | Added |
| Adalta Capital Management LLC | 12,705 | $890.9K | 0.40% | +620+5.1% | Added |
| Tokio Marine Asset Management Co Ltd | 12,977 | $909.9K | 0.03% | 00.0% | Unchanged |
| Impact Capital Partners LLC | 13,033 | $913.9K | 0.27% | −211−1.6% | Reduced |
| DF Dent & Co Inc | 13,040 | $914.4K | 0.01% | −2,250−14.7% | Reduced |
| Caisse des Depots Et Consignations | 13,103 | $918.8K | 0.02% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 13,426 | $931.2K | 0.00% | −176−1.3% | Reduced |
| Compass Wealth Management LLC | 13,331 | $934.8K | 0.23% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 13,401 | $939.7K | 0.00% | −5,164−27.8% | Reduced |
| Kornitzer Capital Management Inc | 13,465 | $944.2K | 0.02% | −557−4.0% | Reduced |
| Bellevue Asset Management, LLC | 13,509 | $947.4K | 0.46% | −7−0.1% | Reduced |
| Armistice Capital, LLC | 13,523 | $948.2K | 0.02% | +13,523 | New |
| Exchange Traded Concepts, LLC | 13,583 | $952.4K | 0.01% | −290−2.1% | Reduced |
| New Mexico Educational Retirement Board | 13,875 | $973.0K | 0.03% | +300+2.2% | Added |
| Vise Technologies, Inc. | 13,885 | $973.6K | 0.02% | +2,915+26.6% | Added |
| Allianz Asset Management GmbH | 14,131 | $990.9K | 0.00% | −111,330−88.7% | Reduced |
| Park Avenue Securities LLC | 14,191 | $995.0K | 0.01% | +714+5.3% | Added |
| SummitTX Capital, L.P. | 14,262 | $1.00M | 0.03% | +5,783+68.2% | Added |
| Apollon Wealth Management, LLC | 14,294 | $1.00M | 0.02% | +1,451+11.3% | Added |
| Inspire Advisors, LLC | 14,364 | $1.01M | 0.09% | +144+1.0% | Added |
| Great Lakes Advisors, LLC | 14,476 | $1.02M | 0.01% | +434+3.1% | Added |
| Sepio Capital, LP | 14,516 | $1.02M | 0.06% | −4,315−22.9% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 14,567 | $1.02M | 0.05% | −208−1.4% | Reduced |
| Nations Financial Group Inc, | 14,614 | $1.02M | 0.05% | −1,836−11.2% | Reduced |
| Merit Financial Group, LLC | 14,652 | $1.03M | 0.01% | −3,833−20.7% | Reduced |
| Farther Finance Advisors, LLC | 14,685 | $1.03M | 0.01% | +4,141+39.3% | Added |
| Everence Capital Management Inc | 14,737 | $1.03M | 0.06% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 14,754 | $1.03M | 0.01% | +11,760+392.8% | Added |
| Maryland State Retirement & Pension System | 14,759 | $1.03M | 0.02% | 00.0% | Unchanged |
| Jump Financial, LLC | 15,110 | $1.06M | 0.01% | +15,110 | New |
| Impact Partnership Wealth, LLC | 15,132 | $1.06M | 0.14% | +3,998+35.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 15,148 | $1.06M | 0.01% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 15,271 | $1.07M | 0.02% | −154−1.0% | Reduced |
| Louisiana State Employees Retirement System | 15,300 | $1.07M | 0.02% | −400−2.5% | Reduced |
| Fairfield, Bush & Co. | 15,336 | $1.08M | 0.57% | −125−0.8% | Reduced |
| Weiss Asset Management LP | 15,346 | $1.08M | 0.02% | +15,346 | New |
| Metis Global Partners, LLC | 15,414 | $1.08M | 0.03% | −515−3.2% | Reduced |
| Ballentine Partners, LLC | 15,564 | $1.09M | 0.02% | +258+1.7% | Added |
| Gulf International Bank (UK) Ltd | 15,643 | $1.10M | 0.04% | 00.0% | Unchanged |
| Aptus Capital Advisors, LLC | 15,827 | $1.11M | 0.01% | +1,684+11.9% | Added |
| Savant Capital, LLC | 15,982 | $1.12M | 0.01% | −295−1.8% | Reduced |
| Pinebridge Investments LLC | 16,083 | $1.13M | 0.01% | +16,083 | New |
| M&T Bank Corp | 16,690 | $1.17M | 0.00% | +2,093+14.3% | Added |
| London & Capital Asset Management Ltd | 16,700 | $1.17M | 0.01% | +16,700 | New |
| Kovitz Investment Group Partners, LLC | 16,704 | $1.17M | 0.03% | −10,551−38.7% | Reduced |
| Wedbush Securities Inc | 16,750 | $1.18M | 0.03% | +678+4.2% | Added |
| Brown, Lisle/Cummings, Inc. | 16,780 | $1.18M | 0.29% | 00.0% | Unchanged |
| Intesa Sanpaolo Wealth Management | 16,857 | $1.18M | 0.24% | +16,857 | New |
| Diversify Wealth Management, LLC | 17,418 | $1.18M | 0.06% | −5,988−25.6% | Reduced |
| Trust Co of Vermont | 16,960 | $1.19M | 0.05% | −166−1.0% | Reduced |
| Jane Street Group, LLC | 17,047 | $1.20M | 0.00% | +1,106+6.9% | Added |
| US Bancorp | 17,077 | $1.20M | 0.00% | −1,937−10.2% | Reduced |
| Sterling Capital Management LLC | 17,203 | $1.21M | 0.02% | −738−4.1% | Reduced |
| JSF Financial, LLC | 17,211 | $1.21M | 0.25% | −108−0.6% | Reduced |
| Tobam | 17,316 | $1.21M | 0.30% | −11,124−39.1% | Reduced |
| National Philanthropic Trust | 17,620 | $1.24M | 0.01% | +17,620 | New |
| Hartford Investment Management Co | 17,636 | $1.24M | 0.04% | −293−1.6% | Reduced |
| Invst, LLC | 17,678 | $1.24M | 0.13% | −209−1.2% | Reduced |
| Dark Forest Capital Management LP | 17,708 | $1.24M | 0.06% | +6,979+65.0% | Added |
| Pensionfund Sabic | 17,850 | $1.25M | 0.34% | 00.0% | Unchanged |
| HM Payson & Co | 18,104 | $1.27M | 0.02% | +71+0.4% | Added |
| Parr McKnight Wealth Management Group, LLC | 18,112 | $1.27M | 0.17% | −2,546−12.3% | Reduced |
| Almanack Investment Partners, LLC. | 18,145 | $1.27M | 0.22% | 00.0% | Unchanged |
| Kentucky Retirement Systems | 18,218 | $1.28M | 0.03% | 00.0% | Unchanged |
| Norinchukin Bank, The | 18,226 | $1.28M | 0.01% | +1,138+6.7% | Added |
| Rothschild Investment LLC | 18,351 | $1.29M | 0.07% | −14−0.1% | Reduced |
| Balyasny Asset Management LLC | 18,371 | $1.29M | 0.00% | −1,063,591−98.3% | Reduced |
| Investment Planning Advisors, Inc. | 18,407 | $1.29M | 0.38% | −1,600−8.0% | Reduced |
| Resonant Capital Advisors, LLC | 19,078 | $1.34M | 0.07% | +35+0.2% | Added |
| Davenport & Co LLC | 19,171 | $1.34M | 0.01% | −2,432−11.3% | Reduced |
| Aurdan Capital Management, LLC | 19,195 | $1.35M | 0.42% | −494−2.5% | Reduced |
| Delphi Management Inc | 19,426 | $1.36M | 1.33% | −526−2.6% | Reduced |
| Tema ETFs LLC | 19,763 | $1.39M | 0.11% | −56−0.3% | Reduced |
| Wealthfront Advisers LLC | 19,776 | $1.39M | 0.00% | −4,159−17.4% | Reduced |
| Ostrum Asset Management | 19,869 | $1.39M | 0.07% | −17,254−46.5% | Reduced |
| Toroso Investments, LLC | 19,966 | $1.40M | 0.01% | +5,468+37.7% | Added |
| Private Advisor Group, LLC | 19,987 | $1.40M | 0.01% | −80.0% | Reduced |
| Investment Management Corp of Ontario | 20,504 | $1.44M | 0.02% | +6,284+44.2% | Added |
| Sage Capital Advisors,llc | 20,514 | $1.44M | 0.34% | +39+0.2% | Added |
| Empower Advisory Group, LLC | 20,557 | $1.44M | 0.00% | +9,799+91.1% | Added |
| IMC-Chicago, LLC | 20,951 | $1.47M | 0.03% | +20,951 | New |
| Federation des caisses Desjardins du Quebec | 21,122 | $1.48M | 0.01% | +1,417+7.2% | Added |
| Citizens National Bank Trust Department | 21,137 | $1.48M | 0.26% | −355−1.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 21,193 | $1.49M | 0.03% | +21,193 | New |