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Regeneron Pharmaceuticals, Inc.

REGN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000872589

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 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 2025. 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
1,201
−73 vs. Q1 2025
Shares held
89.3M
−3.67M (−4.0%) vs. Q1 2025
Total value
$46.9B
−$12.0B (−20.4%) vs. Q1 2025
New holders
134
443 more added
Sold out
207
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 1,201 institutions
Q1 2021: 926 institutionsQ2 2021: 975 institutionsQ3 2021: 1,022 institutionsQ4 2021: 1,081 institutionsQ1 2022: 1,097 institutionsQ2 2022: 1,066 institutionsQ3 2022: 1,081 institutionsQ4 2022: 1,161 institutionsQ1 2023: 1,196 institutionsQ2 2023: 1,168 institutionsQ3 2023: 1,180 institutionsQ4 2023: 1,274 institutionsQ1 2024: 1,313 institutionsQ2 2024: 1,335 institutionsQ3 2024: 1,393 institutionsQ4 2024: 1,320 institutionsQ1 2025: 1,290 institutionsQ2 2025: 1,201 institutionsQ3 2025: 1,243 institutionsQ4 2025: 1,387 institutionsQ1 2026: 1,401 institutionsQ2 2026: 1,342 institutions
Value heldQ2 2025: $46.9B
Q1 2021: $42.3BQ2 2021: $49.6BQ3 2021: $54.5BQ4 2021: $56.9BQ1 2022: $64.5BQ2 2022: $55.0BQ3 2022: $64.0BQ4 2022: $66.9BQ1 2023: $76.1BQ2 2023: $66.2BQ3 2023: $75.1BQ4 2023: $80.3BQ1 2024: $89.3BQ2 2024: $98.9BQ3 2024: $97.5BQ4 2024: $66.6BQ1 2025: $59.0BQ2 2025: $46.9BQ3 2025: $49.0BQ4 2025: $70.7BQ1 2026: $69.8BQ2 2026: $57.1B
Institutions holding REGN and their total value by quarter
QuarterHoldersValue
Q2 20261,342$57.1B
Q1 20261,401$69.8B
Q4 20251,387$70.7B
Q3 20251,243$49.0B
Q2 20251,201$46.9B
Q1 20251,290$59.0B
Q4 20241,320$66.6B
Q3 20241,393$97.5B
Q2 20241,335$98.9B
Q1 20241,313$89.3B
Q4 20231,274$80.3B
Q3 20231,180$75.1B
Q2 20231,168$66.2B
Q1 20231,196$76.1B
Q4 20221,161$66.9B
Q3 20221,081$64.0B
Q2 20221,066$55.0B
Q1 20221,097$64.5B
Q4 20211,081$56.9B
Q3 20211,022$54.5B
Q2 2021975$49.6B
Q1 2021926$42.3B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding REGN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Claret Asset Management Corp446$234.0K0.03%+446New
Anderson Hoagland & Co446$234.2K0.02%−89−16.6%Reduced
GPS Wealth Strategies Group, LLC447$234.5K0.03%−53−10.6%Reduced
Compagnie Lombard Odier SCmA450$236.3K0.00%00.0%Unchanged
Moneta Group Investment Advisors LLC450$236.3K0.00%−340−43.0%Reduced
Algert Global LLC456$239.4K0.01%+2+0.4%Added
Enclave Advisors LLC457$240.2K0.04%−31−6.4%Reduced
Outlook Wealth Advisors, LLC458$240.5K0.06%+1+0.2%Added
U.S. Capital Wealth Advisors, LLC459$241.0K0.01%+45+10.9%Added
Cove Private Wealth, LLC460$241.5K0.09%00.0%Unchanged
Cidel Asset Management Inc461$242.0K0.01%+78+20.4%Added
Merit Financial Group, LLC462$242.5K0.00%−1,167−71.6%Reduced
ASB Consultores, LLC462$242.6K0.16%+107+30.1%Added
Johnson Investment Counsel Inc463$242.9K0.00%−23−4.7%Reduced
Freestone Capital Holdings, LLC465$244.1K0.01%−73−13.6%Reduced
Tidemark, LLC465$244.2K0.08%+190+69.1%Added
Willner & Heller, LLC469$246.3K0.21%+74+18.7%Added
Magnetar Financial LLC470$246.8K0.00%−11,072−95.9%Reduced
Trust Co of Vermont470$246.8K0.01%00.0%Unchanged
Elwood & Goetz Wealth Advisory Group, LLC471$247.3K0.05%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.475$249.4K0.03%−14−2.9%Reduced
Pitcairn Co477$250.4K0.02%−207−30.3%Reduced
Colonial River Wealth Management, LLC448$250.8K0.11%+448New
Bradley Foster & Sargent Inc479$251.5K0.00%00.0%Unchanged
Adell Harriman & Carpenter Inc480$252.0K0.02%+4+0.8%Added
Fred Alger Management, LLC481$252.5K0.00%+104+27.6%Added
Avantax Planning Partners, Inc.482$253.1K0.01%+5+1.0%Added
Telos Capital Management, Inc.482$253.1K0.03%+482New
We Are One Seven, LLC483$253.6K0.01%+106+28.1%Added
Stonebridge Capital Management Inc485$255.0K0.10%00.0%Unchanged
Forefront Analytics, LLC490$257.1K0.29%+490New
Prelude Capital Management, LLC493$258.8K0.03%+137+38.5%Added
Westbourne Investments, Inc.500$262.5K0.14%00.0%Unchanged
NJ State Employees Deferred Compensation Plan500$262.5K0.03%00.0%Unchanged
R Squared Ltd500$262.5K0.14%00.0%Unchanged
Sonora Investment Management Group, LLC500$262.5K0.02%00.0%Unchanged
Corient IA LLC500$262.5K0.15%00.0%Unchanged
Flower City Capital500$262.5K0.15%+500New
Virtue Capital Management, LLC501$263.0K0.05%+501New
Redwood Wealth Management Group, LLC506$265.6K0.12%+23+4.8%Added
Dorsey & Whitney Trust CO LLC506$265.6K0.01%+145+40.2%Added
Avestar Capital, LLC510$267.8K0.02%−164−24.3%Reduced
Fukoku Mutual Life Insurance Co516$270.9K0.02%−34−6.2%Reduced
Everpar Advisors LLC517$271.4K0.12%+71+15.9%Added
Conning Inc.520$273.0K0.01%−28−5.1%Reduced
Meridian Wealth Management, LLC523$274.4K0.01%−399−43.3%Reduced
Samalin Investment Counsel, LLC523$274.9K0.11%−350−40.1%Reduced
Equitable Trust Co525$275.6K0.01%00.0%Unchanged
Pointe Capital Management LLC525$275.6K0.14%+6+1.2%Added
Procyon Private Wealth Partners, LLC531$278.8K0.03%−5,942−91.8%Reduced
Great Diamond Partners, LLC535$280.9K0.06%+108+25.3%Added
Alps Advisors Inc536$281.4K0.00%+6+1.1%Added
Norden Group LLC543$285.1K0.03%−38−6.5%Reduced
First Western Trust Bank545$286.1K0.01%+33+6.4%Added
Paces Ferry Wealth Advisors, LLC548$287.7K0.13%+28+5.4%Added
Smartleaf Asset Management LLC553$288.4K0.03%−307−35.7%Reduced
Pensionmark Financial Group, LLC549$288.4K0.01%+187+51.7%Added
La Banque Postale Asset Management SA561$294.5K0.00%00.0%Unchanged
J. Safra Sarasin Holding AG562$295.1K0.01%−438−43.8%Reduced
Sherbrooke Park Advisers LLC566$297.1K0.13%−32−5.4%Reduced
Brighton Jones LLC571$299.7K0.01%−432−43.1%Reduced
LGT Fund Management Co Ltd.575$301.9K0.03%−83−12.6%Reduced
YHB Investment Advisors, Inc.575$301.9K0.02%00.0%Unchanged
Deseret Mutual Benefit Administrators575$301.9K0.14%00.0%Unchanged
LCM Capital Management Inc575$301.9K0.16%00.0%Unchanged
Scott Marsh Financial, LLC578$303.4K0.11%+578New
Phoenix Holdings Ltd.583$306.0K0.00%+64+12.3%Added
Resources Investment Advisors, LLC.583$306.1K0.00%+39+7.2%Added
Sowell Financial Services LLC583$306.3K0.01%+26+4.7%Added
Sierra Summit Advisors LLC585$307.1K0.05%00.0%Unchanged
Crestwood Advisors Group LLC589$309.3K0.01%+122+26.1%Added
Global Retirement Partners, LLC590$309.8K0.01%+590New
Lombard Odier Asset Management (USA) Corp594$311.9K0.08%+594New
Blue Chip Partners, Inc.594$311.9K0.03%+224+60.5%Added
Commerzbank Aktiengesellschaft601$316.0K0.01%00.0%Unchanged
Gamco Investors, Inc. Et Al602$316.1K0.00%+13+2.2%Added
Gibbs Wealth Management604$317.1K0.06%+185+44.2%Added
XML Financial, LLC605$317.6K0.03%+13+2.2%Added
New England Research & Management, Inc.605$318.0K0.15%00.0%Unchanged
Clear Creek Financial Management, LLC606$318.2K0.03%+606New
Alta Advisers Ltd607$318.7K0.11%00.0%Unchanged
Strait & Sound Wealth Management LLC607$318.7K0.14%+607New
D.A. Davidson & Co.609$319.7K0.00%−123−16.8%Reduced
Gateway Investment Advisers LLC612$321.3K0.00%−313−33.8%Reduced
Caxton Associates LLP616$323.4K0.01%−222−26.5%Reduced
Private Capital Advisors, Inc.616$323.4K0.04%+616New
Baker Avenue Asset Management, LP619$325.1K0.01%−28−4.3%Reduced
Howe & Rusling Inc621$326.0K0.02%+60+10.7%Added
Aspire Growth Partners LLC624$327.6K0.27%+1+0.2%Added
Inceptionr LLC624$327.6K0.08%+624New
EntryPoint Capital, LLC630$330.8K0.17%−23−3.5%Reduced
Farther Finance Advisors, LLC631$331.1K0.01%+3+0.5%Added
Sigma Planning Corp631$331.4K0.01%−158−20.0%Reduced
SBI Securities Co., Ltd.632$331.8K0.01%+5+0.8%Added
Soltis Investment Advisors LLC638$334.7K0.03%−18−2.7%Reduced
Prime Capital Investment Advisors, LLC639$335.7K0.00%−456−41.6%Reduced
IHT Wealth Management, LLC643$337.7K0.01%+23+3.7%Added
BNP Paribas645$338.6K0.01%−1,093−62.9%Reduced
Sagespring Wealth Partners, LLC653$342.7K0.01%−175−21.1%Reduced
Investment House LLC657$344.9K0.02%−32−4.6%Reduced