Regeneron Pharmaceuticals (NASDAQ: REGN) reports $177M in institutional 13F holdings

Rhea-AI Filing Summary

Regeneron Pharmaceuticals, Inc., as an institutional investment manager, filed a Form 13F holdings report detailing its reportable institutional investment positions. The report lists 3 information table entries with an aggregate Form 13F value total of $177,219,142, and indicates there are 0 other included managers associated with this report.

Key Figures

Form 13F Information Table Value Total: $177,219,142 Form 13F Information Table Entry Total: 3 Number of Other Included Managers: 0

3 metrics

Form 13F Information Table Value Total $177,219,142 Aggregate value of reportable holdings, rounded to nearest dollar

Form 13F Information Table Entry Total 3 Number of reportable holdings positions in the Form 13F information table

Number of Other Included Managers 0 No other institutional investment managers included in this report

Key Terms

Form 13F, institutional investment manager, 13F HOLDINGS REPORT

3 terms

Form 13F regulatory

"Form 13F Information Table Value Total"

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.

institutional investment manager regulatory

"The institutional investment manager filing this report"

13F HOLDINGS REPORT regulatory

"Report Type (Check only one.) X 13F HOLDINGS REPORT."

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Available on EDGAR 08/07/2026 - 04:11 PM Accepted by SEC EDGAR 08/07/2026 - 04:11 PM Learn about SEC filing dates

FAQ

What does Regeneron Pharmaceuticals (REGN) report in this Form 13F?

Regeneron Pharmaceuticals, Inc. reports a Form 13F holdings report as an institutional investment manager, disclosing 3 reportable positions with a combined Form 13F information table value total of $177,219,142.

How many securities positions does REGN report on its latest Form 13F?

Regeneron Pharmaceuticals, Inc. reports 3 entries in its Form 13F information table. These entries represent the firm’s reportable institutional investment holdings subject to Form 13F disclosure requirements for this reporting period.

What is the total value of Regeneron (REGN) holdings reported on Form 13F?

The Form 13F information table value total reported by Regeneron Pharmaceuticals, Inc. is $177,219,142, rounded to the nearest dollar. This figure reflects the aggregate value of the firm’s reportable institutional investment positions.

Does Regeneron (REGN) share its Form 13F report with other managers?

No. The Form 13F summary shows 0 other included managers and is marked as a 13F HOLDINGS REPORT, meaning all reportable holdings of Regeneron Pharmaceuticals, Inc. are included in this single filing.

Who signed Regeneron Pharmaceuticals (REGN) Form 13F and in what capacity?

The Form 13F was signed by Leonard Brooks, who is identified as Senior Vice President, Treasurer of Regeneron Pharmaceuticals, Inc., confirming authorization and accuracy of the reported institutional holdings information.

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: 06-30-2026

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:	REGENERON PHARMACEUTICALS, INC.
Address:	777 OLD SAW MILL RIVER ROAD
	TARRYTOWN, NY 10591
Form 13F File Number:	028-24826
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:		Leonard Brooks
Title:		Senior Vice President, Treasurer
Phone:		914-847-7000
Signature, Place, and Date of Signing:
/s/ Leonard Brooks			Sleepy Hollow, NY	08-07-2026
[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:		3
	Form 13F Information Table Value Total:		177,219,142
			(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