Regeneron reports $180M in investment holdings

Regeneron Pharmaceuticals, Inc., acting as the institutional investment manager, reported its 13F holdings, identifying all of the manager’s holdings as included.

Available on EDGAR 11/05/2026 - 04:06 PM EST Accepted by SEC EDGAR 11/05/2026 - 04:05 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Regeneron Pharmaceuticals, Inc., acting as the institutional investment manager, reported its 13F holdings, identifying all of the manager’s holdings as included. The information table contains 3 entries with a reported total value of $179,631,814; no other included managers are listed.

Key Figures

Information-table value total: $179,631,814 Information-table entries: 3 entries Other included managers: 0 managers

3 metrics

Information-table value total $179,631,814 Reported total, rounded to the nearest dollar

Information-table entries 3 entries Form 13F summary

Other included managers 0 managers Form 13F summary

Key Terms

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

3 terms

Institutional Investment Manager regulatory

"Institutional Investment Manager Filing this Report"

13F holdings report regulatory

"13F HOLDINGS REPORT"

Form 13F Information Table financial

"Form 13F Information Table Entry Total"

FAQ

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What was REGN’s reported Form 13F holdings value?

REGN’s Form 13F information table had a reported total value of $179,631,814 across 3 entries.

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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: 09-30-2026

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	11-05-2026
[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:		179,631,814
			(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