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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
Wealthspire Advisors, LLC2,984$1.68M0.01%−3,153−51.4%Reduced
RMR Wealth Builders2,989$1.68M0.14%+255+9.3%Added
American Assets Investment Management, LLC3,000$1.69M0.12%00.0%Unchanged
Triglav Skladi, D.O.O.3,000$1.69M0.11%+485+19.3%Added
BKD Wealth Advisors, LLC3,005$1.69M0.03%−247−7.6%Reduced
Howard Capital Management Inc.3,040$1.71M0.02%−27−0.9%Reduced
First Foundation Advisors3,049$1.71M0.06%−4−0.1%Reduced
Summit Trail Advisors, LLC3,067$1.72M0.02%+796+35.1%Added
Joel Isaacson & Co., LLC3,073$1.73M0.06%00.0%Unchanged
Cambria Investment Management, L.P.3,090$1.74M0.11%+554+21.8%Added
Johnson Financial Group, Inc.3,146$1.77M0.07%−132−4.0%Reduced
Hudson Canyon Capital Management2,774$1.78M1.02%+356+14.7%Added
Financiere des Professionnels - Fonds d,investissement inc.3,171$1.78M0.10%+3,171New
MASTERINVEST Kapitalanlage GmbH3,176$1.79M0.17%+1,008+46.5%Added
Northwestern Mutual Wealth Management Co3,176$1.79M0.00%−658−17.2%Reduced
Lighthouse Investment Partners, LLC3,200$1.80M0.06%00.0%Unchanged
Scientech Research LLC3,200$1.80M0.63%+1,357+73.6%Added
Buckingham Strategic Partners2,909$1.80M0.02%+2,909New
B. Metzler seel. Sohn & Co. AG3,225$1.81M0.02%00.0%Unchanged
Osprey Private Wealth LLC3,239$1.82M0.66%+139+4.5%Added
Cito Capital Group, LLC3,240$1.82M0.53%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC3,246$1.83M0.03%−66−2.0%Reduced
Greenfield Seitz Capital Management, LLC3,260$1.83M0.59%+46+1.4%Added
Brown Advisory Inc3,341$1.88M0.00%−439−11.6%Reduced
Sterling Investment Advisors, Ltd.3,417$1.92M0.37%−280−7.6%Reduced
Advisors Asset Management, Inc.3,426$1.93M0.03%−1,062−23.7%Reduced
Murphy Pohlad Asset Management LLC3,433$1.93M0.76%+1,853+117.3%Added
Gsa Capital Partners LLP3,440$1.93M0.16%+1,358+65.2%Added
Plato Investment Management Ltd3,486$1.95M0.13%−293−7.8%Reduced
Apollon Wealth Management, LLC3,463$1.95M0.03%+115+3.4%Added
Miracle Mile Advisors, LLC3,466$1.95M0.03%+280+8.8%Added
Bailard, Inc.3,479$1.96M0.04%−122−3.4%Reduced
Wiley Bros.-Aintree Capital, LLC3,466$1.96M0.01%−384−10.0%Reduced
Quadrant Capital Group LLC3,568$2.01M0.07%+1,564+78.0%Added
Sterling Capital Management LLC3,594$2.02M0.03%−693−16.2%Reduced
Citizens Financial Group Inc3,618$2.03M0.03%+959+36.1%Added
Groupe la Francaise4,031$2.06M0.03%−325−7.5%Reduced
Group One Trading, L.P.3,749$2.11M0.06%+3,749New
Allstate Corp3,775$2.12M0.05%+3,775New
Tokio Marine Asset Management Co Ltd3,833$2.16M0.08%+119+3.2%Added
Kestra Advisory Services, LLC3,834$2.16M0.01%+151+4.1%Added
Omers Administration Corp3,840$2.16M0.02%00.0%Unchanged
Diversified Trust Co3,847$2.16M0.04%−42−1.1%Reduced
Point72 Asia (Singapore) Pte. Ltd.3,901$2.19M0.34%+413+11.8%Added
Eisler Capital Management Ltd.3,838$2.20M0.05%−2,254−37.0%Reduced
Morningstar Investment Management LLC3,918$2.20M0.08%+2,759+238.1%Added
Glenview Trust Co3,968$2.23M0.04%−10−0.3%Reduced
Sectoral Asset Management Inc3,968$2.23M1.38%+1,195+43.1%Added
Sepio Capital, LP3,980$2.24M0.13%+23+0.6%Added
Advisory Services Network, LLC3,981$2.24M0.03%−49−1.2%Reduced
Signet Financial Management, LLC3,995$2.25M0.26%+12+0.3%Added
Krensavage Asset Management, LLC4,000$2.25M0.96%00.0%Unchanged
AE Wealth Management LLC4,004$2.25M0.01%+1,371+52.1%Added
Headlands Technologies LLC4,014$2.26M0.18%−8,639−68.3%Reduced
Cambridge Investment Research Advisors, Inc.4,021$2.26M0.01%+116+3.0%Added
GWM Advisors LLC4,032$2.27M0.01%+2,094+108.0%Added
AG2R la Mondiale Gestion D'Actifs4,453$2.34M0.12%00.0%Unchanged
Sarissa Capital Management LP4,190$2.36M1.31%+4,190New
BI Asset Management Fondsmaeglerselskab A/S4,233$2.38M0.02%−751−15.1%Reduced
Boothbay Fund Management, LLC4,240$2.38M0.06%+1,541+57.1%Added
Winton Group Ltd4,319$2.43M0.09%+2,966+219.2%Added
E. Ohman J:or Asset Management AB4,320$2.43M0.06%00.0%Unchanged
Stiles Financial Services Inc4,353$2.45M0.77%−5−0.1%Reduced
K.J. Harrison & Partners Inc4,091$2.45M0.35%+2,090+104.4%Added
Ameritas Investment Partners, Inc.4,406$2.48M0.08%−51−1.1%Reduced
Linden Thomas Advisory Services, LLC4,413$2.48M0.25%+178+4.2%Added
Fox Run Management, L.L.C.4,413$2.48M0.39%+4,413New
Benjamin Edwards Inc4,436$2.49M0.03%+559+14.4%Added
Augustine Asset Management Inc4,477$2.52M0.51%−31−0.7%Reduced
Moran Wealth Management, LLC4,501$2.53M0.08%−89−1.9%Reduced
Royal London Asset Management Ltd4,507$2.53M0.01%−42,064−90.3%Reduced
Meeder Asset Management Inc4,530$2.55M0.15%−1,106−19.6%Reduced
Ci Investments Inc.4,594$2.58M0.01%+343+8.1%Added
Machina Capital S.A.S.4,615$2.59M0.46%+4,615New
Fisher Asset Management, LLC4,637$2.61M0.00%+284+6.5%Added
New Mexico Educational Retirement Board4,700$2.64M0.08%−200−4.1%Reduced
Dai-Ichi Life Insurance Company, Ltd4,779$2.69M0.07%+1,300+37.4%Added
Sanibel Captiva Trust Company, Inc.4,822$2.71M0.08%−43−0.9%Reduced
Dillon & Associates Inc4,897$2.75M0.35%−8,447−63.3%Reduced
Victrix Investment Advisors4,900$2.76M1.51%00.0%Unchanged
Game Creek Capital, LP4,925$2.77M1.19%+1,850+60.2%Added
Securian Asset Management, Inc4,976$2.80M0.07%−458−8.4%Reduced
Maryland State Retirement & Pension System5,149$2.90M0.06%+80+1.6%Added
Metis Global Partners, LLC5,211$2.93M0.07%−286−5.2%Reduced
Brevan Howard Capital Management LP5,240$2.95M0.04%−1,442−21.6%Reduced
Oxbow Advisors, LLC5,247$2.95M0.27%+5,247New
Exchange Traded Concepts, LLC5,309$2.99M0.03%+1,369+34.7%Added
Dana Investment Advisors, Inc.5,313$2.99M0.09%+5,313New
Gulf International Bank (UK) Ltd5,338$3.00M0.10%−109−2.0%Reduced
M&T Bank Corp5,339$3.00M0.01%−590−10.0%Reduced
Tema ETFs LLC5,371$3.02M0.25%+64+1.2%Added
Steward Partners Investment Advisory, LLC5,494$3.09M0.02%+1,208+28.2%Added
Walleye Trading LLC5,498$3.09M0.05%−2,253−29.1%Reduced
RSM US Wealth Management LLC5,503$3.09M0.04%+533+10.7%Added
Tower Research Capital LLC (TRC)5,510$3.10M0.09%+4,563+481.8%Added
B & T Capital Management DBA Alpha Capital Management5,512$3.10M0.49%+36+0.7%Added
Gilman Hill Asset Management, LLC5,521$3.10M0.49%+106+2.0%Added
Aigen Investment Management, LP5,535$3.11M0.48%−2,931−34.6%Reduced
Leonteq Securities AG5,551$3.12M0.17%+1,445+35.2%Added
Veracity Capital LLC5,622$3.16M1.02%+25+0.4%Added