Companies / W. R. Berkley Corporation
W. R. Berkley Corporation
Financials · FY2025
Ownership
371.2M shares outstanding · as of Jul 27, 2026
Ownership
| Insiders | 6.01% | 22,296,294 |
| 10%+ / strategic | 21.69% | 80,513,252 |
| Institutions | 60.99% | 226,403,254 |
| Public float | 11.32% | 42,014,729 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
Mitsui Sumitomo Insurance Co., Ltd.10% owner | 15.83% | 58,780,450 |
Berkley William RExecutive Chairman · Director · 10% owner | 4.68% | 17,366,375 |
Berkley William R JrCEOPresident and CEO · Director | 1.23% | 4,555,860 |
Blaylock Ronald EDirector | 0.03% | 121,990 |
Augostini Christopher LDirector | 0.03% | 109,859 |
Ferre Maria LuisaDirector | 0.02% | 59,234 |
Talisman JonathanDirector | <0.01% | 33,180 |
Farrell Mary CDirector | <0.01% | 19,378 |
Mosley Daniel LynnDirector | <0.01% | 14,885 |
Mattson Marie AngelaDirector | <0.01% | 9,667 |
Institutional holders 948
View all →| Holder | Value | % of shares |
|---|---|---|
| $3.90B | 15.83% | |
| $2.60B | 9.98% | |
| $1.55B | 5.91% | |
| $1.00B | 3.81% | |
| $687.06M | 2.64% | |
| $549.20M | 2.22% | |
| $515.14M | 2.09% | |
| $435.75M | 1.67% | |
| $344.52M | 1.32% | |
| $279.80M | 1.07% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 22, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $22.26M | +330K +0.61% | 54,221,504 14.61% of shares | high |
| Jan 27, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $21.97M | +326K +0.59% | 55,298,251 14.90% of shares | high |
| Feb 19, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $21.23M | +301K +0.53% | 57,464,024 15.48% of shares | high |
| Feb 17, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $20.03M | +281K +0.50% | 56,878,038 15.32% of shares | high |
| Jan 26, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $19.63M | +294K +0.54% | 54,883,115 14.78% of shares | high |
| Jan 28, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $18.95M | +280K +0.51% | 55,589,858 14.97% of shares | high |
| Jan 20, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $17.95M | +265K +0.50% | 53,526,510 14.42% of shares | high |
| Jan 29, 2026 | Mitsui Sumitomo Insurance Co., Ltd. 10% owner | Buy | Common Stock | $17.86M | +262K +0.47% | 55,880,717 15.05% of shares | high |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Vanguard Capital Management | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| WRB | — | 084423102 |