W. R. Berkley Corp (WRB)
Who owns W. R. Berkley Corp (WRB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 65.6% of the shares are freely tradable; institutional investors hold 78.0%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Mitsui Sumitomo Insurance Co Ltd | 15.84 | 58,780,450 | +16.3 | 03/31/2026 |
| BlackRock Inc | 6.27 | 23,280,608 | -7.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 5.10 | 18,925,841 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.98 | 14,750,233 | +0.0 | 03/31/2026 |
| State Street Corp | 3.88 | 14,405,410 | -3.4 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.81 | 10,412,465 | +6.3 | 03/31/2026 |
| Geode Capital Management, LLC | 2.22 | 8,229,654 | -1.4 | 03/31/2026 |
| Kayne Anderson Rudnick Investment Management LLC | 2.09 | 7,772,213 | -10.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 2.39 | 8,867,874 | -2.3 | 06/30/2026 |
| Vanguard 500 Index Investor | 2.06 | 7,636,450 | -2.1 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.