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, Q4 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2021. 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

Institutional holders: 1,081; +76 vs. Q3 2021
Shares held: 90.2M; +85.5K (+0.1%) vs. Q3 2021
Total value: $56.9B; +$2.60B (+4.8%) vs. Q3 2021
New holders: 175; 428 more added
Sold out: 99; 320 more reduced

17 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 1,081 institutions

Value heldQ4 2021: $56.9B

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, Q4 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding REGN in Q4 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Mirabella Financial Services LLP	0	$0	0.00%	−4,671−100.0%	Sold out
F/M Investments LLC	0	$0	0.00%	−4,549−100.0%	Sold out
Old Second National Bank of Aurora	0	$0	0.00%	−4,309−100.0%	Sold out
Peregrine Asset Advisers, Inc.	0	$0	0.00%	−4,162−100.0%	Sold out
Y-Intercept (Hong Kong) Ltd	0	$0	0.00%	−4,133−100.0%	Sold out
Kovitz Investment Group Partners, LLC	0	$0	0.00%	−3,631−100.0%	Sold out
Morgens Waterfall Vintiadis & Co Inc	0	$0	0.00%	−3,500−100.0%	Sold out
Arabesque Asset Management Ltd	0	$0	0.00%	−3,306−100.0%	Sold out
Simplex Trading, LLC	0	$0	0.00%	−2,801−100.0%	Sold out
LMR Partners LLP	0	$0	0.00%	−2,637−100.0%	Sold out
First Foundation Advisors	0	$0	0.00%	−2,422−100.0%	Sold out
Leavell Investment Management, Inc.	0	$0	0.00%	−2,235−100.0%	Sold out
Gsa Capital Partners LLP	0	$0	0.00%	−2,228−100.0%	Sold out
Ashton Thomas Private Wealth, LLC	0	$0	0.00%	−2,102−100.0%	Sold out
Scharf Investments, LLC	0	$0	0.00%	−2,028−100.0%	Sold out
Odey Holdings Ltd	0	$0	0.00%	−1,941−100.0%	Sold out
Jennison Associates LLC	0	$0	0.00%	−1,805−100.0%	Sold out
Schonfeld Strategic Advisors LLC	0	$0	0.00%	−1,741−100.0%	Sold out
BFSG, LLC	0	$0	0.00%	−1,726−100.0%	Sold out
Credential Qtrade Securities Inc.	0	$0	0.00%	−1,685−100.0%	Sold out
Edgestream Partners, L.P.	0	$0	0.00%	−1,588−100.0%	Sold out
O'Neil Global Advisors, Inc.	0	$0	0.00%	−1,503−100.0%	Sold out
Virtu Financial LLC	0	$0	0.00%	−1,500−100.0%	Sold out
Gladstone Institutional Advisory LLC	0	$0	0.00%	−1,471−100.0%	Sold out
Walleye Trading LLC	0	$0	0.00%	−1,372−100.0%	Sold out
Enlightenment Research, LLC	0	$0	0.00%	−1,100−100.0%	Sold out
Capital CS Group, LLC	0	$0	0.00%	−1,130−100.0%	Sold out
Peconic Partners LLC	0	$0	0.00%	−1,000−100.0%	Sold out
Archford Capital Strategies, LLC	0	$0	0.00%	−971−100.0%	Sold out
Cowa, LLC	0	$0	0.00%	−881−100.0%	Sold out
Centiva Capital, LP	0	$0	0.00%	−749−100.0%	Sold out
1832 Asset Management L.P.	0	$0	0.00%	−718−100.0%	Sold out
NorthRock Partners, LLC	0	$0	0.00%	−589−100.0%	Sold out
Foundations Investment Advisors, LLC	0	$0	0.00%	−616−100.0%	Sold out
Davy Global Fund Management Ltd	0	$0	0.00%	−546−100.0%	Sold out
Great Valley Advisor Group, Inc.	0	$0	0.00%	−543−100.0%	Sold out
Steel Peak Wealth Management LLC	0	$0	0.00%	−501−100.0%	Sold out
Financial Advocates Investment Management	0	$0	0.00%	−492−100.0%	Sold out
Maverick Capital LtdSuperinvestorMaverick Capital	0	$0	0.00%	−490−100.0%	Sold out
Mather Group, LLC.	0	$0	0.00%	−477−100.0%	Sold out
Equitable Holdings, Inc.	0	$0	0.00%	−458−100.0%	Sold out
Jaffetilchin Investment Partners, LLC	0	$0	0.00%	−458−100.0%	Sold out
Advus Financial Partners, LLC	0	$0	0.00%	−433−100.0%	Sold out
Wintrust Investments LLC	0	$0	0.00%	−430−100.0%	Sold out
DCM Advisors, LLC	0	$0	0.00%	−425−100.0%	Sold out
Fox Run Management, L.L.C.	0	$0	0.00%	−417−100.0%	Sold out
Gitterman Wealth Management, LLC	0	$0	0.00%	−401−100.0%	Sold out
Central Asset Investments & Management Holdings (HK) Ltd	0	$0	0.00%	−400−100.0%	Sold out
AlphaCentric Advisors LLC	0	$0	0.00%	−400−100.0%	Sold out
Chicago Partners Investment Group LLC	0	$0	0.00%	−362−100.0%	Sold out
Magnolia Capital Advisors LLC	0	$0	0.00%	−368−100.0%	Sold out
Van Hulzen Asset Management, LLC	0	$0	0.00%	−360−100.0%	Sold out
Virtue Capital Management, LLC	0	$0	0.00%	−360−100.0%	Sold out
Fort Sheridan Advisors LLC	0	$0	0.00%	−345−100.0%	Sold out
Ascension Capital Advisors, Inc.	0	$0	0.00%	−344−100.0%	Sold out
Brewin Dolphin Ltd	0	$0	0.00%	−335−100.0%	Sold out
Global Retirement Partners, LLC	0	$0	0.00%	−265−100.0%	Sold out
Vaughan Nelson Investment Management, L.P.	0	$0	0.00%	−250−100.0%	Sold out
Ironwood Financial, llc	0	$0	0.00%	−170−100.0%	Sold out
CX Institutional	0	$0	0.00%	−133−100.0%	Sold out
Liberty Wealth Management LLC	0	$0	0.00%	−110−100.0%	Sold out
Joseph P. Lucia & Associates, LLC	0	$0	0.00%	−61−100.0%	Sold out
Arkadios Wealth Advisors	0	$0	0.00%	−56−100.0%	Sold out
Kowal Investment Group, LLC	0	$0	0.00%	−30−100.0%	Sold out
Resolute Partners Group	0	$0	0.00%	−23−100.0%	Sold out
Meridian Wealth Partners, LLC	0	$0	0.00%	−19−100.0%	Sold out
Evolution Wealth Advisors, LLC	0	$0	0.00%	−16−100.0%	Sold out
Tompkins Financial Corp	0	$0	0.00%	−15−100.0%	Sold out
Sterling Financial Planning, Inc.	0	$0	0.00%	−15−100.0%	Sold out
Guidance Point Advisors, LLC	0	$0	0.00%	−14−100.0%	Sold out
Crewe Advisors LLC	0	$0	0.00%	−12−100.0%	Sold out
Harvest Group Wealth Management, LLC	0	$0	0.00%	−10−100.0%	Sold out
Cahill Financial Advisors Inc	0	$0	0.00%	−8−100.0%	Sold out
True Link Financial Advisors, LLC	0	$0	0.00%	−6−100.0%	Sold out
Corbenic Partners LLC	0	$0	0.00%	−5−100.0%	Sold out
Cranbrook Wealth Management, LLC	0	$0	0.00%	−5−100.0%	Sold out
Kelly Financial Services LLC	0	$0	0.00%	−4−100.0%	Sold out
MCF Advisors LLC	0	$0	0.00%	−4−100.0%	Sold out
Better Money Decisions, LLC	0	$0	0.00%	−3−100.0%	Sold out
Red Tortoise LLC	0	$0	0.00%	−2−100.0%	Sold out
Marshall Wace North America L.P.	–	–	–	–	Not filed
Hexavest Inc.	–	–	–	–	Not filed
BBVA USA	–	–	–	–	Not filed
Alexandria Capital, LLC	–	–	–	–	Not filed
B. Metzler seel. Sohn & Co. Holding AG	–	–	–	–	Not filed
Optimal Asset Management, Inc.	–	–	–	–	Not filed
Knott David M	–	–	–	–	Not filed
World Asset Management Inc	–	–	–	–	Not filed
Landsberg, Bennett, & Dubbaneh LLC	–	–	–	–	Not filed
HighPoint Advisor Group LLC	–	–	–	–	Not filed
NorthCoast Asset Management LLC	–	–	–	–	Not filed
Berman Capital Advisors, LLC	–	–	–	–	Not filed
First Mercantile Trust Co	–	–	–	–	Not filed
Wealth Quarterback LLC	–	–	–	–	Not filed
Towarzystwo Funduszy Inwestycyjnych Pzu SA	–	–	–	–	Not filed
Heritage Wealth Management, LLC	–	–	–	–	Not filed
Filbrandt Wealth Management, LLC	–	–	–	–	Not filed