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, Q2 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 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: 2 institutions have reported holding REGN so far. See Q3 2026

Institutional holders: 1,342; −44 vs. Q1 2026
Shares held: 91.4M; +1.18M (+1.3%) vs. Q1 2026
Total value: $57.1B; −$12.5B (−17.9%) vs. Q1 2026
New holders: 125; 485 more added
Sold out: 169; 543 more reduced

15 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2026: 1,342 institutions

Value heldQ2 2026: $57.1B

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, Q2 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding REGN in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Dunhill Financial, LLC	4	$2.73K	0.00%	00.0%	Unchanged
Silicon Valley Capital Partners	4	$2.52K	0.00%	00.0%	Unchanged
Torren Management, LLC	4	$2.51K	0.00%	00.0%	Unchanged
American Capital Advisory, LLC	4	$2.50K	0.00%	−1−20.0%	Reduced
Hartford Financial Management Inc.	4	$2.50K	0.00%	00.0%	Unchanged
Wolff Wiese Magana LLC	4	$2.50K	0.00%	00.0%	Unchanged
Valued Wealth Advisors LLC	4	$2.50K	0.00%	+1+33.3%	Added
CNB Bank	4	$2.49K	0.00%	00.0%	Unchanged
Arlington Trust Co LLC	4	$2.49K	0.00%	00.0%	Unchanged
Corsicana & Co.	4	$2.49K	0.00%	00.0%	Unchanged
JNBA Financial Advisors	3	$1.87K	0.00%	00.0%	Unchanged
Foster Dykema Cabot & Partners, LLC	3	$1.87K	0.00%	00.0%	Unchanged
Granite FO LLC	3	$1.87K	0.00%	00.0%	Unchanged
McGuire Capital Advisors Inc	3	$1.87K	0.00%	00.0%	Unchanged
Motco	3	$1.87K	0.00%	+2+200.0%	Added
Front Row Advisors LLC	2	$1.59K	0.00%	00.0%	Unchanged
Tounjian Advisory Partners, LLC	2	$1.25K	0.00%	+2	New
Addison Advisors LLC	2	$1.25K	0.00%	−10−83.3%	Reduced
Quaker Wealth Management, LLC	2	$1.25K	0.00%	00.0%	Unchanged
Networth Advisors, LLC	2	$1.25K	0.00%	00.0%	Unchanged
PayPay Securities Corp	2	$1.25K	0.05%	00.0%	Unchanged
Davis Capital Management	2	$1.25K	0.00%	+1+100.0%	Added
Alerus Financial NA	2	$1.25K	0.00%	+2	New
Park Square Financial Group, LLC	2	$1.25K	0.01%	+2	New
Oakmont Advisory Group, LLC	2	$1.25K	0.00%	+2	New
Beaird Harris Wealth Management, LLC	1	$643	0.00%	00.0%	Unchanged
Spectrum Wealth Advisory Group, LLC	1	$625	0.00%	+1	New
N.E.W. Advisory Services LLC	1	$624	0.00%	00.0%	Unchanged
Atlantic Private Wealth, LLC	1	$624	0.00%	00.0%	Unchanged
Breakwater Investment Management	1	$624	0.00%	00.0%	Unchanged
Seneschal Advisors, LLC	1	$624	0.00%	00.0%	Unchanged
Godfrey Financial Associates, Inc.	1	$624	0.00%	00.0%	Unchanged
Three Bearings Fiduciary Advisors, Inc.	1	$624	0.00%	00.0%	Unchanged
Plante Moran Financial Advisors, LLC	1	$624	0.00%	+1	New
Hoey Investments, Inc	1	$624	0.00%	+1	New
Morton Brown Family Wealth, LLC	1	$624	0.00%	+1	New
Halbert Hargrove Global Advisors, LLC	1	$524	0.00%	+1	New
Darwin Advisors, LLC	0	$449	0.00%	0	New
Cordant, Inc.	0	$100	0.00%	0	New
Copia Wealth Management	0	$18	0.00%	0	Unchanged
Kingdom Financial Group LLC.	0	$2	0.00%	0	New
GFS Advisors, LLC	18	–	–	+18	New
Intact Investment Management Inc.	0	$0	0.00%	−3,010−100.0%	Sold out
Polar Capital Holdings Plc	0	$0	0.00%	−192,546−100.0%	Sold out
Jennison Associates LLC	0	$0	0.00%	−115,199−100.0%	Sold out
Capital Research Global Investors	0	$0	0.00%	−101,891−100.0%	Sold out
Zurich Insurance Group Ltd	0	$0	0.00%	−99,069−100.0%	Sold out
Freestone Grove Partners LP	0	$0	0.00%	−30,625−100.0%	Sold out
R.P. Boggs & Co.	0	$0	0.00%	−16,778−100.0%	Sold out
Picton Mahoney Asset Management	0	$0	0.00%	−15,408−100.0%	Sold out
OrbiMed Advisors LLC	0	$0	0.00%	−14,700−100.0%	Sold out
Vestor Capital, LLC	0	$0	0.00%	−11,655−100.0%	Sold out
Simplify Asset Management Inc.	0	$0	0.00%	−10,900−100.0%	Sold out
Rock Springs Capital Management LP	0	$0	0.00%	−10,100−100.0%	Sold out
Cinctive Capital Management LP	0	$0	0.00%	−9,278−100.0%	Sold out
Atlas Capital Advisors LLC	0	$0	0.00%	−7,758−100.0%	Sold out
Citizens Business Bank	0	$0	0.00%	−6,090−100.0%	Sold out
Motley Fool Wealth Management, LLC	0	$0	0.00%	−5,485−100.0%	Sold out
Emerald Investment Advisers, LLC	0	$0	0.00%	−5,388−100.0%	Sold out
Fisher Asset Management, LLC	0	$0	0.00%	−5,059−100.0%	Sold out
Nearwater Capital Markets, Ltd	0	$0	0.00%	−5,000−100.0%	Sold out
Oliver Luxxe Assets LLC	0	$0	0.00%	−4,641−100.0%	Sold out
ExodusPoint Capital Management, LP	0	$0	0.00%	−3,756−100.0%	Sold out
Moody Lynn & Lieberson, LLC	0	$0	0.00%	−3,109−100.0%	Sold out
Gator Capital Management, LLC	0	$0	0.00%	−3,000−100.0%	Sold out
Hudson Canyon Capital Management	0	$0	0.00%	−2,759−100.0%	Sold out
Arrowpoint Investment Partners (Singapore) Pte. Ltd.	0	$0	0.00%	−2,502−100.0%	Sold out
Point72 Asset Management, L.P.	0	$0	0.00%	−2,175−100.0%	Sold out
Monetta Financial Services Inc	0	$0	0.00%	−2,060−100.0%	Sold out
Sigma Planning Corp	0	$0	0.00%	−2,012−100.0%	Sold out
1832 Asset Management L.P.	0	$0	0.00%	−2,000−100.0%	Sold out
Odyssean, LLC	0	$0	0.00%	−1,957−100.0%	Sold out
Altfest L J & Co Inc	0	$0	0.00%	−1,930−100.0%	Sold out
SummitTX Capital, L.P.	0	$0	0.00%	−1,713−100.0%	Sold out
Gilbert & Cook, Inc.	0	$0	0.00%	−1,695−100.0%	Sold out
Blue Jean Financial LLC	0	$0	0.00%	−1,663−100.0%	Sold out
Cumberland Partners Ltd	0	$0	0.00%	−1,500−100.0%	Sold out
Spartan Wealth Advisory Services LLC	0	$0	0.00%	−1,494−100.0%	Sold out
Oasis Advisors, LLC	0	$0	0.00%	−1,440−100.0%	Sold out
Perbak Capital Partners LLP	0	$0	0.00%	−1,205−100.0%	Sold out
Evoke Wealth, LLC	0	$0	0.00%	−1,150−100.0%	Sold out
Fairvoy Private Wealth, LLC	0	$0	0.00%	−1,092−100.0%	Sold out
Daymark Wealth Partners, LLC	0	$0	0.00%	−943−100.0%	Sold out
Beese Fulmer Investment Management, Inc.	0	$0	0.00%	−882−100.0%	Sold out
GenTrust, LLC	0	$0	0.00%	−859−100.0%	Sold out
American Assets Inc	0	$0	0.00%	−7,000−100.0%	Sold out
Integrated Advisors Network LLC	0	$0	0.00%	−828−100.0%	Sold out
Lecap Asset Management Ltd	0	$0	0.00%	−816−100.0%	Sold out
Capital Performance Advisors LLP	0	$0	0.00%	−785−100.0%	Sold out
DLK Investment Management, LLC	0	$0	0.00%	−765−100.0%	Sold out
Jackson Creek Investment Advisors LLC	0	$0	0.00%	−748−100.0%	Sold out
Redwood Wealth Management Group, LLC	0	$0	0.00%	−745−100.0%	Sold out
Monetary Management Group Inc	0	$0	0.00%	−712−100.0%	Sold out
Wedbush Securities Inc	0	$0	0.00%	−634−100.0%	Sold out
Wick Capital Partners, LLC	0	$0	0.00%	−606−100.0%	Sold out
GAM Holding AG	0	$0	0.00%	−586−100.0%	Sold out
Ausdal Financial Partners, Inc.	0	$0	0.00%	−561−100.0%	Sold out
Kaufman Rossin Wealth, LLC	0	$0	0.00%	−559−100.0%	Sold out
Northwest & Ethical Investments L.P.	0	$0	0.00%	−561−100.0%	Sold out
Jackson Square Capital, LLC	0	$0	0.00%	−527−100.0%	Sold out