Berkley W R (NYSE: WRB) reports $1.86B in 345 Form 13F positions

Rhea-AI Filing Summary

BERKLEY W R CORP filed a Form 13F reporting its institutional holdings as of the filing, listing 345 holdings with a total market value of $1,861,376,127. The report was signed by Richard M. Baio, Executive Vice President & Chief Financial Officer, on 05-15-2026.

Insights

Institutional Portfolio Analyst

Large, diversified 13F snapshot: $1.86B across 345 positions.

The filing lists a total market value of $1,861,376,127 across 345 Form 13F entries, providing a quarterly disclosure of equity positions held by the institutional manager. This is a standard regulatory snapshot of holdings rather than an active transaction notice.

Portfolio composition, sector weights, and individual position sizes are found in the detailed 13F information table; timing and trading intent are not disclosed in this summary.

Compliance & Reporting Specialist

Filing appears routine and properly executed by authorized officer.

The report certifies authorization and accuracy and includes the Form 13F file number 028-06504. It is signed and dated 05-15-2026 by the CFO, meeting standard attestation requirements for institutional filings.

This disclosure fulfills quarterly reporting obligations; cash‑flow treatment and trading specifics are not part of the Form 13F cover summary.

Key Figures

Form 13F Information Table Entry Total: 345 positions Form 13F Information Table Value Total: $1,861,376,127 Form 13F File Number: 028-06504 +1 more

4 metrics

Form 13F Information Table Entry Total 345 positions Form 13F Summary Page

Form 13F Information Table Value Total $1,861,376,127 rounded to nearest dollar on Form 13F Summary Page

Form 13F File Number 028-06504 cover page filing identifier

Report Signature Date 05-15-2026 signed by Richard M. Baio, Executive Vice President & CFO

Key Terms

Form 13F, Form 13F Information Table, Institutional Investment Manager

3 terms

Form 13F regulatory

"Form 13F Summary Page --------------------- | Report Summary"

A Form 13F is a quarterly filing that large investment managers must submit to disclose their holdings in publicly traded stocks and certain other securities. It acts like a peek into the portfolios of big investors, helping other market participants see what large players are buying or selling and offering clues about investment trends, crowded trades, and potential market impact.

Form 13F Information Table financial

"Form 13F Information Table Entry Total: | 345 | Form 13F Information Table Value Total"

Institutional Investment Manager regulatory

"Institutional Investment Manager Filing this Report Name: | BERKLEY W R CORP"

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 03-31-2026

Check here if Amendment		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	BERKLEY W R CORP
Address:	475 Steamboat Road
	Greenwich, CT 06830
Form 13F File Number:	028-06504
CRD Number (if applicable):
SEC File Number (if applicable):

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Richard M. Baio
Title:		Executive Vice President & Chief Financial Officer
Phone:		203-629-3007
Signature, Place, and Date of Signing:
/s/ Richard M. Baio			Greenwich, CT	05-15-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
X	13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
	13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		0
	Form 13F Information Table Entry Total:		345
	Form 13F Information Table Value Total:		1,861,376,127
			(round to nearest dollar)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

NONE

FAQ

What does Berkley W R Corp's Form 13F disclose for WRB?

It discloses a holdings snapshot: 345 positions totaling $1,861,376,127. The cover page shows the Form 13F entry count and aggregate market value, signed by the reporting manager on 05-15-2026.

When was the Form 13F for Berkley W R Corp signed?

The report was signed by Richard M. Baio, CFO, on 05-15-2026. The cover page includes the signature, title, and location, certifying the filing's attestation.

How many holdings does the Berkley 13F list and what is the value?

The filing lists 345 Form 13F entries with a total market value of $1,861,376,127. These figures appear on the Form 13F summary page as rounded dollar value.

Does the 13F cover page show other included managers for this filing?

No. The cover page states Number of Other Included Managers: 0 and lists NONE for other managers, indicating all reported holdings are for this single reporting manager.