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 4 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
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Bangor Savings Bank	–	–	–	–	Not filed
Syon Capital LLC	–	–	–	–	Not filed
Sava Infond d.o.o.	–	–	–	–	Not filed
Welch Group, LLC	–	–	–	–	Not filed
Formidable Asset Management, LLC	–	–	–	–	Not filed
Sagespring Wealth Partners, LLC	–	–	–	–	Not filed
Stephens Inc	–	–	–	–	Not filed
Cambria Investment Management, L.P.	–	–	–	–	Not filed
Axxion S.A.	–	–	–	–	Not filed
Gradient Investments LLC	–	–	–	–	Not filed
AMJ Financial Wealth Management	–	–	–	–	Not filed
Gsa Capital Partners LLP	–	–	–	–	Not filed
Hobbs Group Advisors, LLC	–	–	–	–	Not filed
Soltis Investment Advisors LLC	–	–	–	–	Not filed
Pinnacle Financial Partners, Inc.	–	–	–	–	Not filed
BayBridge Capital Group, LLC	–	–	–	–	Not filed
Bayesian Capital Management, LP	–	–	–	–	Not filed
Sumitomo Life Insurance Co	–	–	–	–	Not filed
King Luther Capital Management Corp	–	–	–	–	Not filed
Hancock Whitney Corp	–	–	–	–	Not filed
Mather Group, LLC.	–	–	–	–	Not filed
RFG Advisory, LLC	–	–	–	–	Not filed
HighPoint Advisor Group LLC	–	–	–	–	Not filed
Algert Global LLC	–	–	–	–	Not filed
Penbrook Management LLC	–	–	–	–	Not filed
Fullerton Fund Management Co Ltd.	–	–	–	–	Not filed
Sienna Gestion	–	–	–	–	Not filed
Value Investment Professionals, LLC	–	–	–	–	Not filed
waypoint wealth counsel	–	–	–	–	Not filed
Cidel Asset Management Inc	–	–	–	–	Not filed
Polymer Capital Management (US) LLC	–	–	–	–	Not filed
Livforsakringsbolaget Skandia, Omsesidigt	–	–	–	–	Not filed
JT Stratford LLC	–	–	–	–	Not filed
Connecticut Wealth Management, LLC	–	–	–	–	Not filed
Pointe Capital Management LLC	–	–	–	–	Not filed
Beacon Investment Advisory Services, Inc.	–	–	–	–	Not filed
Independent Advisor Alliance	–	–	–	–	Not filed
Huntington National Bank	–	–	–	–	Not filed
Klingenstein Fields & Co LP	–	–	–	–	Not filed
Tritonpoint Wealth, LLC	–	–	–	–	Not filed
Prelude Capital Management, LLC	–	–	–	–	Not filed
Crestwood Advisors Group LLC	–	–	–	–	Not filed
Insigneo Advisory Services, LLC	–	–	–	–	Not filed
Williams Jones Wealth Management, LLC.	–	–	–	–	Not filed
Kingswood Wealth Advisors, LLC	–	–	–	–	Not filed
North Star Asset Management Inc	–	–	–	–	Not filed
Bank Julius Baer & Co. Ltd, Zurich	–	–	–	–	Not filed
Hennion & Walsh Asset Management, Inc.	–	–	–	–	Not filed
Strait & Sound Wealth Management LLC	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Oslo Pensjonsforsikring AS	–	–	–	–	Not filed
Asahi Life Asset Management Co., Ltd.	–	–	–	–	Not filed
Inscription Capital, LLC	–	–	–	–	Not filed
Flagship Harbor Advisors, LLC	–	–	–	–	Not filed
Cooper Financial Group	–	–	–	–	Not filed
Cary Street Partner Investment Advisory LLC	–	–	–	–	Not filed
OpenArc Corporate Advisory, LLC	–	–	–	–	Not filed
AlphaCore Capital LLC	–	–	–	–	Not filed
Abacus Wealth Partners, LLC	–	–	–	–	Not filed
Nicolet Bankshares Inc	–	–	–	–	Not filed
ABN AMRO Bank N.V.	–	–	–	–	Not filed
Clearstead Advisors, LLC	–	–	–	–	Not filed
Cyndeo Wealth Partners, LLC	–	–	–	–	Not filed
Kingsview Wealth Management, LLC	–	–	–	–	Not filed
Avestar Capital, LLC	–	–	–	–	Not filed
Intesa Sanpaolo S.p.A.	–	–	–	–	Not filed
Kestra Investment Management, LLC	–	–	–	–	Not filed
Gamco Investors, Inc. Et Al	–	–	–	–	Not filed
J. Safra Sarasin Holding AG	–	–	–	–	Not filed
Portland Investment Counsel Inc.	–	–	–	–	Not filed
Capital Analysts, LLC	–	–	–	–	Not filed
Almanack Investment Partners, LLC.	–	–	–	–	Not filed
Tidemark, LLC	–	–	–	–	Not filed
Moors & Cabot, Inc.	–	–	–	–	Not filed
Horizon Kinetics Asset Management LLC	–	–	–	–	Not filed
Alpha Family Trust	–	–	–	–	Not filed
Essex Financial Services, Inc.	–	–	–	–	Not filed
Aspire Growth Partners LLC	–	–	–	–	Not filed
Supplemental Annuity Collective Trust of NJ	–	–	–	–	Not filed
Harbour Investments, Inc.	–	–	–	–	Not filed
Icon Wealth Advisors, LLC	–	–	–	–	Not filed
Resources Investment Advisors, LLC.	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Excelsior Advisor Network LLC	–	–	–	–	Not filed
GTS Securities LLC	–	–	–	–	Not filed
E Fund Management (Hong Kong) Co., Ltd.	–	–	–	–	Not filed
QRG Capital Management, Inc.	–	–	–	–	Not filed
TritonPoint Partners, LLC	–	–	–	–	Not filed
First Horizon Corp	–	–	–	–	Not filed
Procyon Private Wealth Partners, LLC	–	–	–	–	Not filed
BSW Wealth Partners	–	–	–	–	Not filed
LCM Capital Management Inc	–	–	–	–	Not filed
Chesapeake Capital Corp	–	–	–	–	Not filed
Northbridge Financial Group, LLC	–	–	–	–	Not filed
Knightsbridge Asset Management, LLC	–	–	–	–	Not filed
BTG Pactual Asset Management US LLC	–	–	–	–	Not filed
Institute for Wealth Management, LLC.	–	–	–	–	Not filed
Stevens Capital Management LP	–	–	–	–	Not filed