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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 4 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, Q3 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 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
1,243
+62 vs. Q2 2025
Shares held
87.1M
−936.8K (−1.1%) vs. Q2 2025
Total value
$49.0B
+$2.72B (+5.9%) vs. Q2 2025
New holders
173
487 more added
Sold out
111
418 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,243 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 heldQ3 2025: $49.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding REGN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Atlantic Trust, LLC4$2.25K0.00%00.0%Unchanged
WealthCollab, LLC4$2.25K0.00%00.0%Unchanged
Wolff Wiese Magana LLC4$2.25K0.00%+2+100.0%Added
Halbert Hargrove Global Advisors, LLC4$2.25K0.00%+4New
Core Alternative Capital4$2.25K0.00%−39−90.7%Reduced
CNB Bank4$2.25K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC4$2.25K0.00%00.0%Unchanged
LRI Investments, LLC4$2.25K0.00%00.0%Unchanged
Corsicana & Co.4$2.25K0.00%+4New
Abich Financial Wealth Management LLC4$2.25K0.00%+4New
Cloud Capital Management, LLC5$2.00K0.00%+5New
Sound Income Strategies, LLC3$1.71K0.00%−2−40.0%Reduced
WestEnd Advisors, LLC3$1.69K0.00%−1−25.0%Reduced
Longfellow Investment Management Co LLC3$1.69K0.00%00.0%Unchanged
Team Financial Group, LLC3$1.69K0.00%00.0%Unchanged
Granite FO LLC3$1.69K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC3$1.69K0.00%00.0%Unchanged
MRP Capital Investments, LLC3$1.57K0.00%00.0%Unchanged
Dunhill Financial, LLC2$1.40K0.00%−2−50.0%Reduced
Hurley Capital, LLC2$1.13K0.00%−13−86.7%Reduced
Front Row Advisors LLC2$1.13K0.00%−1−33.3%Reduced
DAGCO, Inc.2$1.13K0.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC2$1.13K0.00%00.0%Unchanged
American Capital Advisory, LLC2$1.13K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC2$1.13K0.00%00.0%Unchanged
Tradewinds Capital Management, LLC2$1.13K0.00%+2New
Bay Harbor Wealth Management, LLC2$1.12K0.00%+1+100.0%Added
PayPay Securities Corp2$9340.03%−1−33.3%Reduced
DecisionPoint Financial, LLC1$6000.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC1$5800.00%+1New
Graney & King, LLC1$5650.00%−3−75.0%Reduced
Avalon Trust Co1$5630.00%−49−98.0%Reduced
Quaker Wealth Management, LLC1$5630.00%−1−50.0%Reduced
Delos Wealth Advisors, LLC1$5630.00%00.0%Unchanged
Palisade Asset Management, LLC1$5630.00%+1New
Breakwater Investment Management1$5630.00%+1New
Winnow Wealth LLC1$5630.00%+1New
Motco1$5620.00%00.0%Unchanged
N.E.W. Advisory Services LLC1$5620.00%00.0%Unchanged
HFM Investment Advisors, LLC1$5620.00%00.0%Unchanged
Davis Capital Management1$5620.00%+1New
Quest 10 Wealth Builders, Inc.1$3370.00%00.0%Unchanged
Y.D. More Investments Ltd28$470.00%+28New
Tudor Investment Corp Et Al0$00.00%−84,550−100.0%Sold out
Twinbeech Capital LP0$00.00%−79,286−100.0%Sold out
AXA S.A.0$00.00%−62,430−100.0%Sold out
Caption Management, LLC0$00.00%−31,200−100.0%Sold out
Jain Global LLC0$00.00%−22,662−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−20,202−100.0%Sold out
Adams Diversified Equity Fund, Inc.0$00.00%−19,700−100.0%Sold out
IMC-Chicago, LLC0$00.00%−17,952−100.0%Sold out
XTX Topco Ltd0$00.00%−15,305−100.0%Sold out
Scion Asset Management, LLC0$00.00%−15,000−100.0%Sold out
Trexquant Investment LP0$00.00%−11,936−100.0%Sold out
Entropy Technologies, LP0$00.00%−7,196−100.0%Sold out
Empire Life Investments Inc.0$00.00%−5,314−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−5,106−100.0%Sold out
Mirae Asset Securities (USA) Inc.0$00.00%−5,013−100.0%Sold out
Codex Capital Asset Management L.L.C.0$00.00%−5,000−100.0%Sold out
Twin Tree Management, LP0$00.00%−4,891−100.0%Sold out
StemPoint Capital LP0$00.00%−4,672−100.0%Sold out
Nebula Research & Development LLC0$00.00%−4,575−100.0%Sold out
Illumine Investment Management, LLC0$00.00%−3,245−100.0%Sold out
Andra AP-fonden0$00.00%−3,000−100.0%Sold out
Polianta Ltd0$00.00%−2,600−100.0%Sold out
Martingale Asset Management L P0$00.00%−2,598−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−2,539−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−2,058−100.0%Sold out
Alpine Woods Capital Investors, LLC0$00.00%−2,055−100.0%Sold out
RedJay Asset Management Inc.0$00.00%−2,000−100.0%Sold out
Leo Wealth, LLC0$00.00%−1,646−100.0%Sold out
Dohj, LLC0$00.00%−1,208−100.0%Sold out
V-Square Quantitative Management LLC0$00.00%−1,346−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−1,345−100.0%Sold out
Tounjian Advisory Partners, LLC0$00.00%−1,026−100.0%Sold out
Eqis Capital Management, Inc.0$00.00%−1,148−100.0%Sold out
Portfolio Design Labs, LLC0$00.00%−1,043−100.0%Sold out
Eaton Financial Holdings Company, LLC0$00.00%−941−100.0%Sold out
Teza Capital Management LLC0$00.00%−923−100.0%Sold out
TFB Advisors LLC0$00.00%−899−100.0%Sold out
Coign Capital Advisors LLC0$00.00%−777−100.0%Sold out
Sculati Wealth Management, LLC0$00.00%−754−100.0%Sold out
CSS LLC0$00.00%−720−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−678−100.0%Sold out
Penobscot Investment Management Company, Inc.0$00.00%−670−100.0%Sold out
Private Capital Advisors, Inc.0$00.00%−616−100.0%Sold out
Caxton Associates LLP0$00.00%−616−100.0%Sold out
New England Research & Management, Inc.0$00.00%−605−100.0%Sold out
Sierra Summit Advisors LLC0$00.00%−585−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−566−100.0%Sold out
Meridian Wealth Management, LLC0$00.00%−523−100.0%Sold out
Flower City Capital0$00.00%−500−100.0%Sold out
R Squared Ltd0$00.00%−500−100.0%Sold out
Corient IA LLC0$00.00%−500−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−493−100.0%Sold out
Adell Harriman & Carpenter Inc0$00.00%−480−100.0%Sold out
ASB Consultores, LLC0$00.00%−462−100.0%Sold out
Outlook Wealth Advisors, LLC0$00.00%−458−100.0%Sold out
Enclave Advisors LLC0$00.00%−457−100.0%Sold out
DRW Securities, LLC0$00.00%−440−100.0%Sold out