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
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
Onefund, LLC301$232.3K0.14%+17+6.0%Added
Berger Financial Group, Inc301$232.4K0.01%+301New
National Asset Management, Inc.301$232.5K0.01%−73−19.5%Reduced
Sax Wealth Advisors, LLC302$233.0K0.01%+302New
Ascent Group, LLC302$233.1K0.01%−279−48.0%Reduced
DGS Capital Management, LLC305$235.4K0.04%+305New
Bridgewater Advisors Inc.322$236.8K0.02%+322New
Clear Street Markets LLC308$237.7K0.04%+280+1,000.0%Added
Pacific Sage Partners, LLC308$237.7K0.04%+308New
Symphony Financial, Ltd. Co.308$237.8K0.03%+308New
Eddie Patel Inc308$237.9K0.18%+308New
Haverford Trust Co309$238.5K0.00%+309New
Lipe & Dalton309$239.0K0.12%+309New
QP Wealth Management, LLC310$239.3K0.21%+310New
Purus Wealth Management, LLC310$239.3K0.07%+310New
Cornerstone Wealth Management, LLC310$239.3K0.01%+310New
Income Insurance Ltd312$240.8K0.16%+312New
Perbak Capital Partners LLP314$242.4K0.07%−1,665−84.1%Reduced
Kimelman & Baird, LLC314$242.4K0.02%+260+481.5%Added
Hobbs Group Advisors, LLC315$243.0K0.07%+315New
Independence Bank of Kentucky315$243.1K0.03%+7+2.3%Added
Choate Investment Advisors316$243.9K0.00%+316New
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
Strategic Family Wealth Counselors, L.L.C.334$245.1K0.06%+334New
GK Wealth Management LLC320$246.7K0.18%+320New
Alpine Woods Capital Investors, LLC320$247.0K0.06%+320New
Penobscot Investment Management Company, Inc.320$247.0K0.02%+320New
Aspire Private Capital, LLC320$247.1K0.05%+320New
Parallax Volatility Advisers, L.P.321$247.8K0.01%+321New
Family Wealth Partners, LLC327$252.4K0.09%+327New
Seven Mile Advisory328$253.4K0.04%+328New
Daymark Wealth Partners, LLC329$254.3K0.01%+329New
Bouchey Financial Group Ltd330$254.7K0.02%+330New
Prelude Capital Management, LLC331$255.5K0.02%+331New
United Advisor Group, LLC331$255.5K0.03%−130−28.2%Reduced
Platform Technology Partners335$258.7K0.06%+335New
E Fund Management (Hong Kong) Co., Ltd.347$262.0K0.11%+272+362.7%Added
CSS LLC340$262.4K0.01%+340New
Prosperity Consulting Group, LLC340$262.4K0.01%+340New
TCG Advisory Services, LLC341$263.2K0.01%+341New
Cromwell Holdings LLC342$264.0K0.14%00.0%Unchanged
Tribridge Partners Financial LLC343$264.8K0.11%00.0%Unchanged
Opal Wealth Advisors, LLC343$264.8K0.07%+343New
Inscription Capital, LLC345$266.5K0.03%+345New
Lecap Asset Management Ltd349$269.4K0.11%−68−16.3%Reduced
Welch Group, LLC349$269.4K0.01%−9−2.5%Reduced
Private Capital Advisors, Inc.350$270.2K0.03%+350New
Flatrock Wealth Partners LLC353$272.6K0.13%+353New
Smithfield Trust Co355$274.0K0.01%+10+2.9%Added
Golden State Equity Partners355$274.0K0.04%−591−62.5%Reduced
Whittier Trust Co357$277.2K0.00%+20+5.9%Added
Gladstone Institutional Advisory LLC360$277.9K0.01%−81−18.4%Reduced
Perennial Investment Advisors, LLC361$277.9K0.02%+361New
Bartlett & Co. Wealth Management LLC361$278.6K0.00%00.0%Unchanged
Triumph Capital Management361$278.8K0.06%−104−22.4%Reduced
Davenport & Co LLC365$281.7K0.00%+365New
Optas, LLC365$281.7K0.04%+365New
Stratos Wealth Partners, LTD.366$282.7K0.00%+366New
Phraction Management LLC367$283.3K0.08%00.0%Unchanged
SevenBridge Financial Group, LLC372$283.7K0.05%00.0%Unchanged
MMBG Investment Advisors Co.370$285.6K0.02%00.0%Unchanged
Riversedge Advisors, LLC371$286.4K0.05%+371New
Drive Wealth Management, LLC373$288.0K0.06%+373New
CX Institutional374$289.0K0.01%−7−1.8%Reduced
ISAM Funds (UK) Ltd375$289.5K0.10%+375New
Catalytic Wealth RIA, LLC376$290.2K0.01%−717−65.6%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA376$290.2K0.07%+22+6.2%Added
Willner & Heller, LLC379$292.5K0.21%00.0%Unchanged
Adirondack Trust Co380$293.3K0.10%−7−1.8%Reduced
Rock Point Advisors, LLC380$293.3K0.07%00.0%Unchanged
Petersen Hastings Wealth Advisors Inc.380$293.3K0.03%+380New
Green Alpha Advisors, LLC381$294.1K0.27%+381New
Papamarkou Wellner Asset Management inc.382$294.9K0.18%+17+4.7%Added
Klingman & Associates, LLC382$294.9K0.01%+382New
Baker Avenue Asset Management, LP383$295.4K0.01%−465−54.8%Reduced
Gradient Capital Advisors, LLC384$296.4K0.08%−1−0.3%Reduced
Turtle Creek Wealth Advisors, LLC384$296.4K0.02%+384New
GAM Holding AG386$297.9K0.02%+386New
Anchyra Partners LLC387$298.7K0.09%+387New
Allegiance Financial Group Advisory Services LLC391$301.8K0.06%+391New
Bayforest Capital Ltd392$302.6K0.23%+392New
Aspiriant, LLC399$308.0K0.01%+399New
Fukoku Mutual Life Insurance Co399$308.0K0.02%−17−4.1%Reduced
Adviser Investments LLC400$308.7K0.00%−6,204−93.9%Reduced
Denali Advisors LLC400$308.7K0.03%+400New
BCS Wealth Management400$308.7K0.03%+400New
Physicians Financial Services, Inc.400$309.0K0.08%00.0%Unchanged
Simon Quick Advisors, LLC404$311.8K0.01%+23+6.0%Added
Alta Advisers Ltd407$314.2K0.11%−200−32.9%Reduced
SBI Securities Co., Ltd.407$314.2K0.01%+30+8.0%Added
Childress Capital Advisors, LLC409$315.7K0.05%+409New
Deroy & Devereaux Private Investment Counsel Inc410$316.0K0.02%00.0%Unchanged
Flputnam Investment Management Co410$316.1K0.00%−413−50.2%Reduced
Catalyst Financial Partners LLC411$317.2K0.04%+411New