Skip to main content

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, Q4 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 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
1,387
+167 vs. Q3 2025
Shares held
91.6M
+4.76M (+5.5%) vs. Q3 2025
Total value
$70.7B
+$21.9B (+44.9%) vs. Q3 2025
New holders
273
502 more added
Sold out
106
457 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,387 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 heldQ4 2025: $70.7B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding REGN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bayforest Capital Ltd392$302.6K0.23%+392New
Allegiance Financial Group Advisory Services LLC391$301.8K0.06%+391New
Anchyra Partners LLC387$298.7K0.09%+387New
GAM Holding AG386$297.9K0.02%+386New
Gradient Capital Advisors, LLC384$296.4K0.08%−1−0.3%Reduced
Turtle Creek Wealth Advisors, LLC384$296.4K0.02%+384New
Baker Avenue Asset Management, LP383$295.4K0.01%−465−54.8%Reduced
Klingman & Associates, LLC382$294.9K0.01%+382New
Papamarkou Wellner Asset Management inc.382$294.9K0.18%+17+4.7%Added
Green Alpha Advisors, LLC381$294.1K0.27%+381New
Rock Point Advisors, LLC380$293.3K0.07%00.0%Unchanged
Petersen Hastings Wealth Advisors Inc.380$293.3K0.03%+380New
Adirondack Trust Co380$293.3K0.10%−7−1.8%Reduced
Willner & Heller, LLC379$292.5K0.21%00.0%Unchanged
Catalytic Wealth RIA, LLC376$290.2K0.01%−717−65.6%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA376$290.2K0.07%+22+6.2%Added
ISAM Funds (UK) Ltd375$289.5K0.10%+375New
CX Institutional374$289.0K0.01%−7−1.8%Reduced
Drive Wealth Management, LLC373$288.0K0.06%+373New
Riversedge Advisors, LLC371$286.4K0.05%+371New
MMBG Investment Advisors Co.370$285.6K0.02%00.0%Unchanged
SevenBridge Financial Group, LLC372$283.7K0.05%00.0%Unchanged
Phraction Management LLC367$283.3K0.08%00.0%Unchanged
Stratos Wealth Partners, LTD.366$282.7K0.00%+366New
Optas, LLC365$281.7K0.04%+365New
Davenport & Co LLC365$281.7K0.00%+365New
Triumph Capital Management361$278.8K0.06%−104−22.4%Reduced
Bartlett & Co. Wealth Management LLC361$278.6K0.00%00.0%Unchanged
Perennial Investment Advisors, LLC361$277.9K0.02%+361New
Gladstone Institutional Advisory LLC360$277.9K0.01%−81−18.4%Reduced
Whittier Trust Co357$277.2K0.00%+20+5.9%Added
Golden State Equity Partners355$274.0K0.04%−591−62.5%Reduced
Smithfield Trust Co355$274.0K0.01%+10+2.9%Added
Flatrock Wealth Partners LLC353$272.6K0.13%+353New
Private Capital Advisors, Inc.350$270.2K0.03%+350New
Lecap Asset Management Ltd349$269.4K0.11%−68−16.3%Reduced
Welch Group, LLC349$269.4K0.01%−9−2.5%Reduced
Inscription Capital, LLC345$266.5K0.03%+345New
Opal Wealth Advisors, LLC343$264.8K0.07%+343New
Tribridge Partners Financial LLC343$264.8K0.11%00.0%Unchanged
Cromwell Holdings LLC342$264.0K0.14%00.0%Unchanged
TCG Advisory Services, LLC341$263.2K0.01%+341New
CSS LLC340$262.4K0.01%+340New
Prosperity Consulting Group, LLC340$262.4K0.01%+340New
E Fund Management (Hong Kong) Co., Ltd.347$262.0K0.11%+272+362.7%Added
Platform Technology Partners335$258.7K0.06%+335New
United Advisor Group, LLC331$255.5K0.03%−130−28.2%Reduced
Prelude Capital Management, LLC331$255.5K0.02%+331New
Bouchey Financial Group Ltd330$254.7K0.02%+330New
Daymark Wealth Partners, LLC329$254.3K0.01%+329New
Seven Mile Advisory328$253.4K0.04%+328New
Family Wealth Partners, LLC327$252.4K0.09%+327New
Parallax Volatility Advisers, L.P.321$247.8K0.01%+321New
Aspire Private Capital, LLC320$247.1K0.05%+320New
Alpine Woods Capital Investors, LLC320$247.0K0.06%+320New
Penobscot Investment Management Company, Inc.320$247.0K0.02%+320New
GK Wealth Management LLC320$246.7K0.18%+320New
Strategic Family Wealth Counselors, L.L.C.334$245.1K0.06%+334New
Montecito Bank & Trust317$244.7K0.04%−70−18.1%Reduced
Avantax Planning Partners, Inc.317$244.7K0.01%−68−17.7%Reduced
Texas Capital Bank Wealth Management Services Inc317$244.7K0.01%+317New
Choate Investment Advisors316$243.9K0.00%+316New
Independence Bank of Kentucky315$243.1K0.03%+7+2.3%Added
Hobbs Group Advisors, LLC315$243.0K0.07%+315New
Kimelman & Baird, LLC314$242.4K0.02%+260+481.5%Added
Perbak Capital Partners LLP314$242.4K0.07%−1,665−84.1%Reduced
Income Insurance Ltd312$240.8K0.16%+312New
Cornerstone Wealth Management, LLC310$239.3K0.01%+310New
QP Wealth Management, LLC310$239.3K0.21%+310New
Purus Wealth Management, LLC310$239.3K0.07%+310New
Lipe & Dalton309$239.0K0.12%+309New
Haverford Trust Co309$238.5K0.00%+309New
Eddie Patel Inc308$237.9K0.18%+308New
Symphony Financial, Ltd. Co.308$237.8K0.03%+308New
Clear Street Markets LLC308$237.7K0.04%+280+1,000.0%Added
Pacific Sage Partners, LLC308$237.7K0.04%+308New
Bridgewater Advisors Inc.322$236.8K0.02%+322New
DGS Capital Management, LLC305$235.4K0.04%+305New
Ascent Group, LLC302$233.1K0.01%−279−48.0%Reduced
Sax Wealth Advisors, LLC302$233.0K0.01%+302New
National Asset Management, Inc.301$232.5K0.01%−73−19.5%Reduced
Berger Financial Group, Inc301$232.4K0.01%+301New
Onefund, LLC301$232.3K0.14%+17+6.0%Added
Bell Bank300$231.6K0.01%+300New
TrueWealth Advisors, LLC300$231.6K0.06%+300New
Drum Hill Capital, LLC300$231.6K0.24%+300New
71 West Capital Partners300$231.6K0.01%+300New
Aventura Private Wealth, LLC298$230.0K0.08%−56−15.8%Reduced
Investment Research Partners LLC295$227.7K0.10%+295New
Mach-1 Financial Group, Inc.293$226.2K0.05%+293New
New Republic Capital, LLC290$223.8K0.06%+290New
Rexford Capital Inc288$222.3K0.17%+15+5.5%Added
Roberts Glore & Co Inc288$222.3K0.06%+288New
HCR Wealth Advisors286$220.8K0.02%+286New
Advisors Capital Management, LLC285$220.4K0.00%+285New
Sierra Summit Advisors LLC285$220.0K0.03%+285New
Mainsail Asset Management, LLC285$220.0K0.09%+285New
Zions Bancorporation, National Association283$218.4K0.01%+219+342.2%Added
Symmetry Partners, LLC281$217.1K0.01%+281New
Murphy & Mullick Capital Management Corp281$216.9K0.16%−79−21.9%Reduced