BERKLEY W R CORP

$WRB
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Smart money positioned

18 of the Top-200 alpha managers hold $WRB as of the latest 13F snapshot.

13F holders
11
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

18 holders · Q1 2026

$WRB is held by 18 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.54%, with an average of 0.06% of portfolio. Largest holder: Tandem Wealth Advisors LLC at 0.54%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Tandem Wealth Advisors LLC
0.54% held
α +14.1pts
02
Bradley Foster & Sargent INC
0.24% held
α +11.1pts
03
Wincap Financial LLC
0.08% held
α +14.0pts
04
Laidlaw Wealth Management LLC
0.06% held
α +11.1pts
05
Heights Capital Management, Inc.
0.04% held
α +23.4pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 11 · Source: 13F-HR
01
Vanguard Group Inc.
0.04% of portfolio
37,033,581 sh
02
State Street
0.03% of portfolio
14,126,628 sh
03
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.03% of portfolio
2,041,622 sh
04
Two Sigma
0.11% of portfolio
2,013,358 sh
05
Citadel
0.06% of portfolio
1,475,954 sh
06
Citigroup Inc.
0.02% of portfolio
709,852 sh
07
Tudor Investment Corp. Et Al
0.18% of portfolio
571,238 sh
08
Fairholme Capital Management LLC
1.21% of portfolio
256,350 sh
09
Erste Asset Management GmbH
0.03% of portfolio
53,959 sh
10
Bridgewater Associates
—
13,499 sh
See all 11 13F holders · Pro →

Insider activity · last 90 days

50 transactions · 12 filers
05 Aug 2026
Unknown —
· F
—
—
F
05 Aug 2026
Unknown —
· GRANT
—
—
A
05 Aug 2026
Unknown —
· F
—
—
F
05 Aug 2026
Unknown —
· GRANT
—
—
A
05 Aug 2026
Unknown —
· F
—
—
F
05 Aug 2026
Unknown —
· GRANT
—
—
A
05 Aug 2026
Unknown —
· F
—
—
F
05 Aug 2026
Unknown —
· GRANT
—
—
A
03 Jun 2026
Rusbuldt Robert Alan —
· GRANT
3,090
—
A
03 Jun 2026
Berkley William R —
· GRANT
3,090
—
A
03 Jun 2026
Mattson Marie Angela —
· GRANT
3,090
—
A
03 Jun 2026
Mosley Daniel Lynn —
· GRANT
3,090
—
A

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $WRB in the recent window.

Convergence · $WRB

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 16:49 UTC.