InvestorLens

WRB — BERKLEY W R CORP

Public company

Sign in to save2 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying WRB?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
95
Institutional Conviction
Net accumulation · 2 buying vs 0 selling last quarter
65
Macro Tailwind
Macro conditions are mixed for this sector
52
Congressional Activity
0 congressional purchases, 7 sales disclosed in the last 6 months
Why? — Evidence & Confidence ▾

Of 2 tracked investors who changed their WRB position last quarter, 2 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Overheat regime). 0 congressional purchases, 7 sales disclosed in the last 6 months.

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Izzy Englander, Ken Griffin)
  • +2 tracked investors reported holding WRB at their latest filing
Contradicting evidence — always shown
  • −Congressional disclosures lean toward selling (7 sales vs 0 purchases, 6 months)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 7/26/2026.

About BERKLEY W R CORP (WRB)

BERKLEY W R CORP (WRB) appears in the most recent 13F filings of 2 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $97M. Across recent filings, tracked investors recorded 4 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in WRB

100
/100
Strong Institutional Accumulation
Added / Increased4
Reduced0
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track WRB

13
/100
Undiscovered
2investors

Only 2 tracked investors report this position.

UndiscoveredCrowded
151015+

WRB Ownership Composition

How BERKLEY W R CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
100% of tracked value
Institutions
2
tracked investors
Total Reported
$127.4M
combined 13F value
Sectors1
  • Other100.0%
Other(2)
100.0%

Tracked investors reporting WRB

  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    1.5M
    Value
    $96.9M
    % Portfolio
    0.02%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    459.2K
    Value
    $30.4M
    % Portfolio
    0.01%

Recent activity

Frequently asked questions

How many institutional investors hold WRB?
2 tracked institutional investors disclosed a position in WRB (BERKLEY W R CORP) in their most recent 13F filing.
Who is the largest institutional holder of WRB?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in WRB, valued at $97M.
Did institutional ownership of WRB increase or decrease?
Across recent 13F filings, tracked investors recorded 4 new positions, 0 increased, 0 reduced, and 0 fully exited WRB.
Where does this WRB ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.