W. R. Berkley Corporation
W. R. Berkley Corporation (WRB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WRB · as of Mar 31, 2025
Ownership Breakdown
927
Institutional Holders
▲ 39 vs Q4
$18.66B
Total Inst. Value
▲ $3.21B vs Q4
372.28M
Shares Outstanding
freeFloat 65.70%
262.38M
13F Shares Held
▲ 533,506 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WRB largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC fire, marine & casualty insurance | 36.34M | 9.15% | 9.15% | $2.59T | May 9, 2025 | ▼ 100.4K |
BLACKROCK, INC. fire, marine & casualty insurance | 24.16M | 6.09% | 6.09% | $1.72T | May 2, 2025 | ▼ 201.4K |
MORGAN STANLEY fire, marine & casualty insurance | 15.79M | 3.98% | 3.98% | $1.12T | May 15, 2025 | ▼ 2.57M |
STATE STREET CORP fire, marine & casualty insurance | 15.00M | 3.78% | 3.78% | $1.07T | May 15, 2025 | ▼ 109.2K |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC fire, marine & casualty insurance | 11.79M | 2.97% | 2.97% | $838.81B | May 14, 2025 | ▲ 65.2K |
JANUS HENDERSON GROUP PLC fire, marine & casualty insurance | 8.69M | 2.19% | 2.19% | $619.19B | May 15, 2025 | ▼ 1.27M |
GEODE CAPITAL MANAGEMENT, LLC fire, marine & casualty insurance | 7.90M | 1.99% | 1.99% | $560.42B | May 13, 2025 | ▲ 205.4K |
JPMORGAN CHASE & CO fire, marine & casualty insurance | 6.70M | 1.69% | 1.69% | $476.51B | May 12, 2025 | ▼ 396.9K |
PRINCIPAL FINANCIAL GROUP INC fire, marine & casualty insurance | 5.02M | 1.27% | 1.27% | $357.37B | Apr 28, 2025 | ▲ 900.1K |
NORGES BANK fire, marine & casualty insurance | 4.76M | 1.20% | 1.20% | $338.55B | May 11, 2026 | ▲ 99.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
24
Increased
+12.54M shares0
New Positions
first time holders23
Decreased
−8.93M shares0
Sold Out
fully exitedNet shares change (top 50)
+3.61M
+12.54M / −8.93M
Net new holders
+1
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WRB insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
BERKLEY WILLIAM R Executive Chairman | Jun 3, 2026 | Award | 3,090 | — | — | 17.37M | Form 4 ↗ |
Ferre Maria Luisa director | Jun 3, 2026 | Award | 3,090 | — | — | 59.2K | Form 4 ↗ |
Mattson Marie Angela director | Jun 3, 2026 | Award | 3,090 | — | — | 9.7K | Form 4 ↗ |
BERKLEY WILLIAM R JR President and CEO | Jun 3, 2026 | Award | 3,090 | — | — | 4.56M | Form 4 ↗ |
Mosley Daniel Lynn director | Jun 3, 2026 | Award | 3,090 | — | — | 14.9K | Form 4 ↗ |
Farrell Mary C director | Jun 3, 2026 | Award | 3,090 | — | — | 19.4K | Form 4 ↗ |
Rusbuldt Robert Alan director | Jun 3, 2026 | Award | 3,090 | — | — | 5.9K | Form 4 ↗ |
Augostini Christopher L director | Jun 3, 2026 | Award | 3,090 | — | — | 109.9K | Form 4 ↗ |
BLAYLOCK RONALD E director | Jun 3, 2026 | Award | 3,090 | — | — | 122.0K | Form 4 ↗ |
Talisman Jonathan director | Jun 3, 2026 | Award | 3,090 | — | — | 33.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
W. R. Berkley Corporation (WRB) is primarily owned by institutional investors, who hold approximately 70.5% of total shares outstanding. Company insiders own approximately 34.30%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of W. R. Berkley Corporation is VANGUARD GROUP INC, holding approximately 36.34 million shares — equal to 9.15% of outstanding shares — as of March 31, 2025.
A total of 927 institutional investors currently hold WRB stock, with a combined institutional value of approximately $18.66 billion as of the most recent 13F filing period.
Frequently asked questions
WRB ownershipW. R. Berkley Corporation (WRB) is primarily owned by institutional investors, who hold approximately 70.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.15% stake. Company insiders hold 34.30%. Data sourced from SEC Form 13F as of March 31, 2025.