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

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	Value	% of portfolio	Change in shares	Action
DRW Securities, LLC	$0	0.00%	−528−100.0%	Sold out
Samalin Investment Counsel, LLC	$0	0.00%	−511−100.0%	Sold out
Allegiance Financial Group Advisory Services LLC	$0	0.00%	−511−100.0%	Sold out
Northwest Wealth Management, LLC	$0	0.00%	−503−100.0%	Sold out
Tuttle Tactical Management	$0	0.00%	−492−100.0%	Sold out
Lighthouse Investment Partners, LLC	$0	0.00%	−485−100.0%	Sold out
MBL Wealth, LLC	$0	0.00%	−480−100.0%	Sold out
Golden State Equity Partners	$0	0.00%	−476−100.0%	Sold out
Arjuna Capital	$0	0.00%	−457−100.0%	Sold out
Asset Allocation & Management Company, LLC	$0	0.00%	−423−100.0%	Sold out
Drive Wealth Management, LLC	$0	0.00%	−420−100.0%	Sold out
Symphony Financial, Ltd. Co.	$0	0.00%	−404−100.0%	Sold out
Persistent Asset Partners Ltd	$0	0.00%	−400−100.0%	Sold out
Lombard Odier Asset Management (USA) Corp	$0	0.00%	−395−100.0%	Sold out
Patton Fund Management, Inc.	$0	0.00%	−391−100.0%	Sold out
VestGen Advisors, LLC	$0	0.00%	−414−100.0%	Sold out
LifeGoal Wealth Advisors	$0	0.00%	−385−100.0%	Sold out
Focused Wealth Management, Inc	$0	0.00%	−384−100.0%	Sold out
Family Wealth Partners, LLC	$0	0.00%	−375−100.0%	Sold out
Aprio Wealth Management, LLC	$0	0.00%	−364−100.0%	Sold out
Simon Quick Advisors, LLC	$0	0.00%	−347−100.0%	Sold out
Americana Partners, LLC	$0	0.00%	−338−100.0%	Sold out
Weiss Asset Management LP	$0	0.00%	−336−100.0%	Sold out
Greenline Wealth Management LLC	$0	0.00%	−332−100.0%	Sold out
Sapient Capital LLC	$0	0.00%	−325−100.0%	Sold out
Stonebridge Capital Management Inc	$0	0.00%	−320−100.0%	Sold out
Alpine Woods Capital Investors, LLC	$0	0.00%	−320−100.0%	Sold out
Penobscot Investment Management Company, Inc.	$0	0.00%	−320−100.0%	Sold out
BlueSky Wealth Advisors, LLC	$0	0.00%	−320−100.0%	Sold out
Montecito Bank & Trust	$0	0.00%	−317−100.0%	Sold out
Choate Investment Advisors	$0	0.00%	−316−100.0%	Sold out
LGT Fund Management Co Ltd.	$0	0.00%	−314−100.0%	Sold out
Income Insurance Ltd	$0	0.00%	−312−100.0%	Sold out
Willner & Heller, LLC	$0	0.00%	−311−100.0%	Sold out
Purus Wealth Management, LLC	$0	0.00%	−310−100.0%	Sold out
Root Financial Partners, LLC	$0	0.00%	−309−100.0%	Sold out
B&L Asset Management LLC	$0	0.00%	−309−100.0%	Sold out
Pacific Sage Partners, LLC	$0	0.00%	−308−100.0%	Sold out
Haverford Trust Co	$0	0.00%	−304−100.0%	Sold out
Bell Bank	$0	0.00%	−301−100.0%	Sold out
Berger Financial Group, Inc	$0	0.00%	−300−100.0%	Sold out
Cornerstone Wealth Management, LLC	$0	0.00%	−300−100.0%	Sold out
TrueWealth Advisors, LLC	$0	0.00%	−300−100.0%	Sold out
Drum Hill Capital, LLC	$0	0.00%	−300−100.0%	Sold out
Dutch Asset Corp	$0	0.00%	−300−100.0%	Sold out
Investment Partners Asset Management, Inc.	$0	0.00%	−297−100.0%	Sold out
Private Advisory Group LLC	$0	0.00%	−297−100.0%	Sold out
Foundations Investment Advisors, LLC	$0	0.00%	−293−100.0%	Sold out
Lipe & Dalton	$0	0.00%	−289−100.0%	Sold out
Symmetry Partners, LLC	$0	0.00%	−288−100.0%	Sold out
MONECO Advisors, LLC	$0	0.00%	−285−100.0%	Sold out
Fred Alger Management, LLC	$0	0.00%	−283−100.0%	Sold out
Verdad Advisers, LP	$0	0.00%	−283−100.0%	Sold out
Values Added Financial LLC	$0	0.00%	−282−100.0%	Sold out
Essex Savings Bank	$0	0.00%	−282−100.0%	Sold out
Cornerstone Wealth Group, LLC	$0	0.00%	−291−100.0%	Sold out
Roberts Glore & Co Inc	$0	0.00%	−280−100.0%	Sold out
Fort Sheridan Advisors LLC	$0	0.00%	−280−100.0%	Sold out
BCJ Capital Management, LLC	$0	0.00%	−279−100.0%	Sold out
Capital Management Associates, Inc	$0	0.00%	−279−100.0%	Sold out
Mainsail Asset Management, LLC	$0	0.00%	−277−100.0%	Sold out
Aspire Private Capital, LLC	$0	0.00%	−275−100.0%	Sold out
Allium Financial Advisors, LLC	$0	0.00%	−274−100.0%	Sold out
Winthrop Advisory Group LLC	$0	0.00%	−273−100.0%	Sold out
Eagle Wealth Advisors LLC	$0	0.00%	−272−100.0%	Sold out
Seven Mile Advisory	$0	0.00%	−270−100.0%	Sold out
Accurate Wealth Management, LLC	$0	0.00%	−277−100.0%	Sold out
Fieldview Capital Management, LLC	$0	0.00%	−268−100.0%	Sold out
T. Rowe Price Investment Management, Inc.	$0	0.00%	−267−100.0%	Sold out
Round Rock Advisors, LLC	$0	0.00%	−265−100.0%	Sold out
Ipswich Investment Management Co., Inc.	$0	0.00%	−264−100.0%	Sold out
WBI Investments	$0	0.00%	−261−100.0%	Sold out
KRS Capital Management, LLC	$0	0.00%	−260−100.0%	Sold out
RWM Asset Management, LLC	$0	0.00%	−247−100.0%	Sold out
Whipplewood Advisors, LLC	$0	0.00%	−178−100.0%	Sold out
Twin Peaks Wealth Advisors, LLC	$0	0.00%	−159−100.0%	Sold out
Timothy G. Youngquist 2020 Irrevocable Trust	$0	0.00%	−152−100.0%	Sold out
Nkcfo LLC	$0	0.00%	−142−100.0%	Sold out
Clear Street Markets LLC	$0	0.00%	−138−100.0%	Sold out
Wall Street Financial Group, Inc.	$0	0.00%	−125−100.0%	Sold out
Sound Income Strategies, LLC	$0	0.00%	−111−100.0%	Sold out
Clayton Financial Group LLC	$0	0.00%	−107−100.0%	Sold out
Antipodes Partners Ltd	$0	0.00%	−97−100.0%	Sold out
Wealth Preservation Advisors, LLC	$0	0.00%	−69−100.0%	Sold out
Annis Gardner Whiting Capital Advisors, LLC	$0	0.00%	−53−100.0%	Sold out
Innovative Asset Advisors Group, LLC	$0	0.00%	−46−100.0%	Sold out
Pinney & Scofield, Inc.	$0	0.00%	−35−100.0%	Sold out
Chung Wu Investment Group, LLC	$0	0.00%	−30−100.0%	Sold out
Boreal Capital Management LLC	$0	0.00%	−29−100.0%	Sold out
Bellevue Asset Management, LLC	$0	0.00%	−27−100.0%	Sold out
Sachetta, LLC	$0	0.00%	−26−100.0%	Sold out
Portus Wealth Advisors, LLC	$0	0.00%	−25−100.0%	Sold out
Atlantic Trust, LLC	$0	0.00%	−13−100.0%	Sold out
MTM Investment Management, LLC	$0	0.00%	−10−100.0%	Sold out
Vermillion Wealth Management, Inc.	$0	0.00%	−8−100.0%	Sold out
Clarity Asset Management, Inc.	$0	0.00%	−5−100.0%	Sold out
Clark Wealth Partners	$0	0.00%	−5−100.0%	Sold out
Bank of Jackson Hole Trust	$0	0.00%	−5−100.0%	Sold out
Richard W. Paul & Associates, LLC	$0	0.00%	−4−100.0%	Sold out
Bare Financial Services, Inc	$0	0.00%	−4−100.0%	Sold out