Regeneron Pharmaceuticals, Inc.

REGN

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0000872589

SEC filings (opens in a new tab)

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q3 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 6; 0 vs. Q2 2026
Shares held: 1.14K; +306 (+36.8%) vs. Q2 2026
Total value: $863.1K; +$344.3K (+66.4%) vs. Q2 2026
New holders: 0; 2 more added
Sold out: 0; 0 more reduced

1,336 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting REGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding REGN and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,342	$57.1B
Q1 2026	1,401	$69.8B
Q4 2025	1,387	$70.7B
Q3 2025	1,243	$49.0B
Q2 2025	1,201	$46.9B
Q1 2025	1,290	$59.0B
Q4 2024	1,320	$66.6B
Q3 2024	1,393	$97.5B
Q2 2024	1,335	$98.9B
Q1 2024	1,313	$89.3B
Q4 2023	1,274	$80.3B
Q3 2023	1,180	$75.1B
Q2 2023	1,168	$66.2B
Q1 2023	1,196	$76.1B
Q4 2022	1,161	$66.9B
Q3 2022	1,081	$64.0B
Q2 2022	1,066	$55.0B
Q1 2022	1,097	$64.5B
Q4 2021	1,081	$56.9B
Q3 2021	1,022	$54.5B
Q2 2021	975	$49.6B
Q1 2021	926	$42.3B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2026.

Institutions holding REGN in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
EP Wealth Advisors, LLC	–	–	–	–	Not filed
Sheets Smith Wealth Management	–	–	–	–	Not filed
Diversify Advisory Services, LLC	–	–	–	–	Not filed
Diversify Wealth Management, LLC	–	–	–	–	Not filed
Skba Capital Management LLC	–	–	–	–	Not filed
Valeo Financial Advisors, LLC	–	–	–	–	Not filed
Fiduciary Family Office, LLC	–	–	–	–	Not filed
Generali Investments, Management Co LLC	–	–	–	–	Not filed
Moody National Bank Trust Division	–	–	–	–	Not filed
Oxford Asset Management LLP	–	–	–	–	Not filed
Inceptionr LLC	–	–	–	–	Not filed
Evolve Private Wealth, LLC	–	–	–	–	Not filed
Evercore Wealth Management, LLC	–	–	–	–	Not filed
Atomi Financial Group, Inc.	–	–	–	–	Not filed
New Wave Wealth Advisors LLC	–	–	–	–	Not filed
Frec Markets, Inc.	–	–	–	–	Not filed
Capstone Investment Advisors, LLC	–	–	–	–	Not filed
Westhampton Capital, LLC	–	–	–	–	Not filed
Fidelis Capital Partners, LLC	–	–	–	–	Not filed
Circle Wealth Management, LLC	–	–	–	–	Not filed
SBI Okasan Asset Management Co.Ltd.	–	–	–	–	Not filed
XML Financial, LLC	–	–	–	–	Not filed
DoubleLine ETF Adviser LP	–	–	–	–	Not filed
WP Advisors, LLC	–	–	–	–	Not filed
Twin Capital Management Inc	–	–	–	–	Not filed
Boston Trust Walden Corp	–	–	–	–	Not filed
Aptus Capital Advisors, LLC	–	–	–	–	Not filed
Simplicity Wealth,LLC	–	–	–	–	Not filed
Rothschild Investment LLC	–	–	–	–	Not filed
Harbor Capital Advisors, Inc.	–	–	–	–	Not filed
Mount Yale Investment Advisors, LLC	–	–	–	–	Not filed
Deseret Mutual Benefit Administrators	–	–	–	–	Not filed
J.M. Arbour, LLC	–	–	–	–	Not filed
Princeton Capital Management LLC	–	–	–	–	Not filed
Trust Asset Management LLC	–	–	–	–	Not filed
Tectonic Advisors LLC	–	–	–	–	Not filed
GraniteShares Advisors LLC	–	–	–	–	Not filed
Kinneret Advisory, LLC	–	–	–	–	Not filed
Brown Brothers Harriman & Co	–	–	–	–	Not filed
Phoenix Holdings Ltd.	–	–	–	–	Not filed
Oak Asset Management, LLC	–	–	–	–	Not filed
AE Wealth Management LLC	–	–	–	–	Not filed
Valley National Advisers Inc	–	–	–	–	Not filed
Independent Financial Group, LLC	–	–	–	–	Not filed
Boyd Watterson Asset Management LLC	–	–	–	–	Not filed
Journey Retirement Planning & Investment Management LLC	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Pitcairn Wealth Advisors LLC	–	–	–	–	Not filed
Ballentine Partners, LLC	–	–	–	–	Not filed
Stoneridge Investment Partners LLC	–	–	–	–	Not filed
Archford Capital Strategies, LLC	–	–	–	–	Not filed
Busey Wealth Management	–	–	–	–	Not filed
Principal Securities, Inc.	–	–	–	–	Not filed
Cullen/Frost Bankers, Inc.	–	–	–	–	Not filed
Athena Wealth Management, LLC	–	–	–	–	Not filed
V-Square Quantitative Management LLC	–	–	–	–	Not filed
Parcion Private Wealth LLC	–	–	–	–	Not filed
Arcataur Capital Management LLC	–	–	–	–	Not filed
West Family Investments, Inc.	–	–	–	–	Not filed
S-Bank Fund Management Ltd	–	–	–	–	Not filed
Alta Wealth Advisors LLC	–	–	–	–	Not filed
International Assets Investment Management, LLC	–	–	–	–	Not filed
PCM Encore, LLC	–	–	–	–	Not filed
Denali Advisors LLC	–	–	–	–	Not filed
Pflug Koory, LLC	–	–	–	–	Not filed
Azzad Asset Management Inc	–	–	–	–	Not filed
Jackson Thornton Asset Management, LLC	–	–	–	–	Not filed
Cigna Investments Inc	–	–	–	–	Not filed
NewEdge Wealth, LLC	–	–	–	–	Not filed
Plancorp, LLC	–	–	–	–	Not filed
J.W. Cole Advisors, Inc.	–	–	–	–	Not filed
Verdence Capital Advisors LLC	–	–	–	–	Not filed
L2 Asset Management, LLC	–	–	–	–	Not filed
Bank of Hawaii	–	–	–	–	Not filed
Traphagen Investment Advisors LLC	–	–	–	–	Not filed
Envestnet Portfolio Solutions, Inc.	–	–	–	–	Not filed
BNP Paribas	–	–	–	–	Not filed
Aaron Wealth Advisors	–	–	–	–	Not filed
Kestra Private Wealth Services, LLC	–	–	–	–	Not filed
Flputnam Investment Management Co	–	–	–	–	Not filed
We Are One Seven, LLC	–	–	–	–	Not filed
Baker Avenue Asset Management, LP	–	–	–	–	Not filed
Kepler Cheuvreux (Suisse) SA	–	–	–	–	Not filed
Ostrum Asset Management	–	–	–	–	Not filed
Callahan Advisors, LLC	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
John G Ullman & Associates Inc	–	–	–	–	Not filed
Cove Private Wealth, LLC	–	–	–	–	Not filed
Proficio Capital Partners LLC	–	–	–	–	Not filed
Freestone Capital Holdings, LLC	–	–	–	–	Not filed
R Squared Ltd	–	–	–	–	Not filed
Transcend Wealth Collective, LLC	–	–	–	–	Not filed
Schwartz Investment Counsel Inc	–	–	–	–	Not filed
StoneX Group Inc.	–	–	–	–	Not filed
Sagewood Asset Management LP	–	–	–	–	Not filed
Pensionmark Financial Group, LLC	–	–	–	–	Not filed
WJ Financial Advisors LLC	–	–	–	–	Not filed
Graham Capital Management, L.P.	–	–	–	–	Not filed