Regeneron files Form 13F reporting $33.8M holdings

Regeneron Pharmaceuticals, Inc. filed a Form 13F holdings report disclosing 2 holdings with an aggregate reported market value of $33,799,428.

Rhea-AI Filing Summary

Regeneron Pharmaceuticals, Inc. filed a Form 13F holdings report disclosing 2 holdings with an aggregate reported market value of $33,799,428. The report is signed by Leonard Brooks, Senior Vice President, Treasurer, and dated 02-06-2026. The filing lists the manager's address as 777 Old Saw Mill River Road, Tarrytown, NY.

Insights

Institutional Holdings Analyst

Routine Form 13F filing listing two reported positions totaling $33.8M.

This is a standard quarterly disclosure by an institutional manager showing holdings as required under Section 13(f). The report summary lists 2 information-table entries and a total reported market value of $33,799,428.

Timing and valuation are snapshot-based; subsequent filings may show changes. The filing was signed by Leonard Brooks on 02-06-2026, indicating the reporting manager attested to completeness.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did REGN report on this Form 13F?

REGN (the reporting manager) filed a Form 13F disclosing 2 holdings with a combined market value of $33,799,428. The filing is a standard institutional holdings disclosure signed on 02-06-2026.

Does this Form 13F show trades or transactions for REGN?

No; the Form 13F reports positions held as of the reporting period and does not list intraperiod trades. It summarizes holdings with 2 information-table entries and an aggregate value of $33,799,428.

Who signed the Form 13F for Regeneron Pharmaceuticals?

The report is signed by Leonard Brooks, Senior Vice President, Treasurer. The signature block shows the filing was executed in Sleepy Hollow, NY on 02-06-2026.

How many holdings and what total value did the filing report?

The Form 13F Information Table Entry Total is 2 and the aggregate reported market value is $33,799,428, rounded to the nearest dollar as shown on the summary page.

Where is the reporting manager located for this Form 13F?

The institutional investment manager's address is listed as 777 Old Saw Mill River Road, Tarrytown, NY 10591. This is the address shown on the cover page of the filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/06/2026 - 05:06 PM Learn about SEC filing dates

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: 12-31-2025

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	02-06-2026
[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:		2
	Form 13F Information Table Value Total:		33,799,428
			(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