Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

26%

Beneficial ownership of this reported class.

Shares

95,557,324 shares

Shares beneficially owned as disclosed.

Event date

17 Jul 2026

Date tied to the ownership event or amendment.

Accepted by SEC

21 Jul 2026

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
WRB
Shares outstanding
372,252,918 shares
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
21 Jul 2026, 17:58:36 UTC
Event date
17 Jul 2026
Source filing
View source filing

Key filing fact

William R. Berkley Jr. disclosed 26% ownership in W. R. BERKLEY CORPORATION Common Stock, par value $0.20 per share (WRB) on 17 Jul 2026.

Key facts

  • William R. Berkley Jr. filed SCHEDULE 13D/A for W. R. BERKLEY CORPORATION Common Stock, par value $0.20 per share (WRB).
  • Disclosed ownership: 26%.
  • Date of event: 17 Jul 2026.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 21 Jul 2026, 17:58.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (8)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
WR Berkley & Others LLC 26% 95,557,324 63,515,547 32,041,777 /s/ W. Robert Berkley, Jr. W. Robert Berkley, Jr. /Manager
WR Berkley & Others 2 LLC 26% 95,557,324 3,553,486 92,003,838 /s/ W. Robert Berkley, Jr. W. Robert Berkley, Jr. / Manager
Estate of William R. Berkley 26% 95,557,324 17,366,375 78,190,949 /s/ W. Robert Berkley, Jr. Designated Executor
Marjorie J. Berkley 26% 95,557,324 204,364 95,352,960 /s/ Marjorie J. Berkley Marjorie J. Berkley
W. Robert Berkley, Jr. 26% 95,557,324 4,555,860 91,001,464 /s/ W. Robert Berkley, Jr. W. Robert Berkley, Jr. 0001236253
The William R. Berkley 2011 GST Trust u/a dated December 20, 2011 26% 95,557,324 1,350,000 94,207,324 /s/ W. Robert Berkley, Jr. W. Robert Berkley, Jr. /Trustee
The William R. Berkley 2022 Family Trust f/b/o William R. Berkley, Jr. and His Issue 26% 95,557,324 4,287,201 91,270,123 /s/ Marjorie J. Berkley Marjorie J. Berkley/Trustee
The William R. Berkley 2022 Family Trust f/b/o Lauren Berkley and Her Issue 26% 95,557,324 724,491 94,832,833 /s/ Marjorie J. Berkley Marjorie J. Berkley/Trustee
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .