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
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Mitsui Sumitomo Insurance Co., Ltd. 13F manager | Add | Common stock | $547.07M | +8.3M +16.34% | 58,780,450 15.83% of shares | high |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-435.75M | -6.2M -100.00% | 0 | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-220.47M | -3.1M -12.47% | 21,934,626 5.91% of shares | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $102.15M | +1.5M +30.62% | 6,214,380 1.67% of shares | high |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Trim | Common stock | $-72.90M | -1.1M -30.92% | 2,457,890 0.66% of shares | high |
| Q1 2026 as of | Kayne Anderson Rudnick Investment Management, LLC 13F manager | Trim | Common stock | $-62.10M | -937K -10.76% | 7,772,213 2.09% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Trim | Common stock | $-56.17M | -790K -5.29% | 14,126,628 3.81% of shares | high |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Trim | Common stock | $-52.33M | -789K -29.15% | 1,918,380 0.52% 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 |