BERKLEY W R CORP (WRB): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in WRB · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
24
13F filers
Aggregate Value
$955.7M
Across holders
Last Price
$69.70
2026-08-24
Sector
Financials
GICS
Quarterly fund activity14 increased8 reduced2 exited
Full exits: Qube Research & Technologies Ltd, Walleye Capital LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 3.68M | $259.6M | 27.2% | 0.1% | Added | +$256.0M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 2.59M | $182.6M | 19.1% | 0.1% | Added | +$125.9M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 2.01M | $142.0M | 14.9% | 0.1% | Added | +$122.7M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 1.48M | $104.1M | 10.9% | 0.0% | Added | +$100.4M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 936K | $66.0M | 6.9% | 0.0% | Added | +$33.6M | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 751K | $53.0M | 5.5% | 0.1% | Added | +$49.2M | Q2 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 571K | $40.3M | 4.2% | 0.1% | Added | +$10.2M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 290K | $20.5M | 2.1% | 0.0% | Added | $-5.7M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 266K | $18.7M | 2.0% | 0.0% | Reduced | $-73.0M | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 207K | $14.6M | 1.5% | 0.0% | Added | +$2.8M | Q2 2026 |
Added
Hedge Fund
$259.6M· 27.2% of total· 0.1% port· 3.68M sh· +$256.0M QoQ· Q2 2026
Added
Hedge Fund
$182.6M· 19.1% of total· 0.1% port· 2.59M sh· +$125.9M QoQ· Q2 2026
Added
Hedge Fund
$142.0M· 14.9% of total· 0.1% port· 2.01M sh· +$122.7M QoQ· Q2 2026
Added
Hedge Fund
$104.1M· 10.9% of total· 0.0% port· 1.48M sh· +$100.4M QoQ· Q2 2026
Added
Hedge Fund
$66.0M· 6.9% of total· 0.0% port· 936K sh· +$33.6M QoQ· Q2 2026
Added
Hedge Fund
$53.0M· 5.5% of total· 0.1% port· 751K sh· +$49.2M QoQ· Q2 2026
Added
Hedge Fund
$40.3M· 4.2% of total· 0.1% port· 571K sh· +$10.2M QoQ· Q2 2026
Added
Hedge Fund
$20.5M· 2.1% of total· 0.0% port· 290K sh· $-5.7M QoQ· Q2 2026
Reduced
Hedge Fund
$18.7M· 2.0% of total· 0.0% port· 266K sh· $-73.0M QoQ· Q2 2026
Added
Hedge Fund
$14.6M· 1.5% of total· 0.0% port· 207K sh· +$2.8M QoQ· Q2 2026
Reduced
Hedge Fund
$9.9M· 1.0% of total· 0.1% port· 129K sh· $-6.3M QoQ· Q3 2025
Added
Hedge Fund
$9.6M· 1.0% of total· 0.0% port· 136K sh· +$5.2M QoQ· Q2 2026
Unchanged
Hedge Fund
$8.7M· 0.9% of total· 0.0% port· 124K sh· +$0 QoQ· Q2 2026
Reduced
Institutional Manager
$6.4M· 0.7% of total· 0.1% port· 91K sh· $-27K QoQ· Q2 2026
Added
Hedge Fund
$5.2M· 0.5% of total· 0.0% port· 74K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$4.3M· 0.4% of total· 0.0% port· 61K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$3.5M· 0.4% of total· 0.0% port· 49K sh· +$2.7M QoQ· Q2 2026
Reduced
Hedge Fund
$1.7M· 0.2% of total· 0.0% port· 24K sh· $-6.9M QoQ· Q2 2026
Reduced
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 16K sh· $-509K QoQ· Q2 2026
Reduced
Hedge Fund
$1.0M· 0.1% of total· 0.0% port· 15K sh· $-40K QoQ· Q2 2026
Added
Hedge Fund
$952K· 0.1% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
Added
Hedge Fund
$864K· 0.1% of total· 0.0% port· 12K sh· +$185K QoQ· Q2 2026
Reduced
Hedge Fund
$654K· 0.1% of total· 0.0% port· 9K sh· $-4.2M QoQ· Q2 2026
Reduced
Hedge Fund
$471K· 0.0% of total· 0.0% port· 7K sh· $-489K QoQ· Q2 2026
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