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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; 1,341 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 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2021. 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
1,022
+60 vs. Q2 2021
Shares held
90.4M
+1.98M (+2.2%) vs. Q2 2021
Total value
$54.5B
+$5.16B (+10.5%) vs. Q2 2021
New holders
134
410 more added
Sold out
74
326 more reduced

13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 1,022 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: 1,341 institutions
Value heldQ3 2021: $54.5B
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 20261,341$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 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2021.

Institutions holding REGN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC11,067,951$6.70B0.53%+157,257+1.4%Added
BlackRock Inc.9,366,862$5.67B0.16%+333,312+3.7%Added
Vanguard Group Inc8,071,281$4.88B0.12%+101,621+1.3%Added
Capital World Investors5,320,000$3.22B0.55%+12,043+0.2%Added
State Street Corp4,640,005$2.81B0.15%+123,289+2.7%Added
JPMorgan Chase & Co4,102,445$2.48B0.33%+314,052+8.3%Added
Wellington Management Group LLP3,368,065$2.04B0.35%−689,317−17.0%Reduced
Loomis Sayles & Co L P2,756,735$1.67B2.05%+2,511+0.1%Added
Geode Capital Management, LLC1,740,212$1.05B0.14%+32,212+1.9%Added
Putnam Investments LLC1,342,754$812.6M1.26%+404,567+43.1%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)1,326,296$802.6M1.28%−118,757−8.2%Reduced
Northern Trust Corp1,200,035$726.2M0.13%+38,532+3.3%Added
American Century Companies Inc1,174,664$710.9M0.49%+19,591+1.7%Added
Bank of America Corp1,156,274$699.8M0.08%+40,430+3.6%Added
Capital International Investors1,131,968$685.0M0.16%−158,178−12.3%Reduced
Sustainable Growth Advisers, LP1,018,454$616.3M3.12%+130,619+14.7%Added
Norges Bank980,386$593.3M0.13%−56,321−5.4%Reduced
Bank of New York Mellon Corp880,815$533.1M0.10%+22,199+2.6%Added
Price T Rowe Associates Inc809,840$490.1M0.05%−15,004−1.8%Reduced
California Public Employees Retirement System802,679$485.8M0.36%+6,929+0.9%Added
Legal & General Group Plc766,118$463.6M0.15%+21,066+2.8%Added
Franklin Resources Inc605,647$366.5M0.14%−7,138−1.2%Reduced
Neuberger Berman Group LLC559,598$338.3M0.30%−174,484−23.8%Reduced
Charles Schwab Investment Management Inc529,528$320.5M0.10%+24,645+4.9%Added
Acadian Asset Management LLC529,465$320.4M1.22%+87,815+19.9%Added
UBS Asset Management Americas Inc524,211$317.2M0.13%−49,007−8.5%Reduced
Alliancebernstein L.P.501,686$303.6M0.12%−378,465−43.0%Reduced
Morgan Stanley494,693$299.4M0.04%−11,228−2.2%Reduced
Invesco Ltd.484,438$293.2M0.07%+25,958+5.7%Added
Sumitomo Mitsui Trust Holdings, Inc.469,269$284.0M0.18%−82,083−14.9%Reduced
Pictet Asset Management SA457,890$277.1M0.31%+457,890New
Goldman Sachs Group Inc452,792$274.0M0.07%+96,267+27.0%Added
Deutsche Bank AG448,958$271.7M0.13%−52,753−10.5%Reduced
ARK Investment Management LLCSuperinvestorARK Invest428,147$259.1M0.62%−284,901−40.0%Reduced
Amundi426,457$258.1M0.18%+225,038+111.7%Added
Swiss National Bank413,972$250.5M0.16%−15,400−3.6%Reduced
FIL Ltd412,062$249.4M0.28%−57,124−12.2%Reduced
Dimensional Fund Advisors LP403,530$244.2M0.08%+83,276+26.0%Added
Candriam Luxembourg S.C.A.388,643$235.2M1.60%−141,703−26.7%Reduced
Nuveen Asset Management, LLC386,073$233.6M0.07%+39,278+11.3%Added
Ameriprise Financial Inc380,669$230.4M0.07%−30,628−7.4%Reduced
APG Asset Management N.V.415,824$217.1M0.39%−8,200−1.9%Reduced
Barclays PLC317,262$192.0M0.14%+139,464+78.4%Added
Parametric Portfolio Associates LLC286,692$173.5M0.10%+32,922+13.0%Added
AQR Capital Management LLC276,033$167.1M0.31%+81,918+42.2%Added
Susquehanna International Group, LLP270,163$163.5M0.21%−88,164−24.6%Reduced
Wells Fargo & Company269,581$163.1M0.04%−890−0.3%Reduced
Natixis Advisors, L.P.252,852$153.0M0.63%+115,720+84.4%Added
Allianz Asset Management GmbH246,365$149.1M0.12%+840+0.3%Added
Prudential Financial Inc235,167$142.3M0.20%+66,742+39.6%Added
Chevy Chase Trust Holdings, Inc.221,256$133.9M0.47%+40,261+22.2%Added
Macquarie Group Ltd217,931$131.9M0.11%+111,854+105.4%Added
LSV Asset Management209,867$127.0M0.23%−26,520−11.2%Reduced
Russell Investments Group, Ltd.205,943$124.7M0.21%+17,105+9.1%Added
UBS Group AG205,877$124.6M0.05%+48,150+30.5%Added
New York State Common Retirement Fund198,108$119.9M0.13%−3,370−1.7%Reduced
First Trust Advisors LP197,718$119.7M0.13%+25,468+14.8%Added
Janus Henderson Group PLC197,646$119.6M0.05%−10,300−5.0%Reduced
AXA S.A.197,078$119.3M0.33%+74,696+61.0%Added
Royal Bank of Canada196,957$119.2M0.03%+96,126+95.3%Added
Credit Suisse AG196,940$119.2M0.10%−15,600−7.3%Reduced
Manufacturers Life Insurance Company, The195,116$118.1M0.10%+93,097+91.3%Added
Marshall Wace North America L.P.188,467$114.1M0.49%+129,839+221.5%Added
Panagora Asset Management Inc187,007$113.2M0.60%+24,981+15.4%Added
California State Teachers Retirement System177,241$107.3M0.14%+975+0.6%Added
D. E. Shaw & Co., Inc.172,135$104.2M0.13%+119,119+224.7%Added
Mitsubishi UFJ Trust & Banking Corp171,594$103.8M0.23%+2,860+1.7%Added
Polar Capital Holdings Plc170,000$102.9M0.57%+20,000+13.3%Added
McDonald Capital Investors Inc167,828$101.6M7.87%−6,610−3.8%Reduced
Rhumbline Advisers161,267$97.6M0.13%−525−0.3%Reduced
Bank of Montreal159,235$97.2M0.05%+31,248+24.4%Added
National Pension Service159,469$96.5M0.18%−1,501−0.9%Reduced
Great West Life Assurance Co157,433$95.8M0.22%+4,654+3.0%Added
Handelsbanken Fonder AB154,423$93.5M0.49%+134,000+656.1%Added
Avidity Partners Management LP152,300$92.2M2.35%+152,300New
ProShare Advisors LLC152,193$92.1M0.26%+16,450+12.1%Added
Tekla Capital Management LLC148,015$89.6M2.88%+9,883+7.2%Added
KBC Group NV144,337$87.3M0.32%+12,496+9.5%Added
Truist Financial Corp142,721$86.4M0.14%−7,077−4.7%Reduced
Canada Pension Plan Investment Board141,901$85.9M0.10%−8,857−5.9%Reduced
Principal Financial Group Inc128,296$77.6M0.05%+2,682+2.1%Added
New York State Teachers Retirement System126,341$76.5M0.16%−2,401−1.9%Reduced
Bronte Capital Management Pty Ltd.124,224$75.2M10.84%+6,755+5.8%Added
State Board of Administration of Florida Retirement System123,427$74.7M0.15%−3,503−2.8%Reduced
Bank of Nova Scotia123,175$74.5M0.14%−22,473−15.4%Reduced
Caisse de Depot Et Placement du Quebec122,453$74.1M0.16%+82,788+208.7%Added
HSBC Holdings PLC119,759$72.6M0.08%−11,919−9.1%Reduced
Virginia Retirement Systems Et Al119,600$72.4M0.74%−7,500−5.9%Reduced
Nikko Asset Management Americas, Inc.121,872$70.3M0.30%−35,641−22.6%Reduced
Citigroup Inc113,062$68.4M0.07%−7,483−6.2%Reduced
Citadel Advisors LLC109,523$66.3M0.07%+51,755+89.6%Added
Skandinaviska Enskilda Banken AB (publ)108,659$65.8M0.36%+52,821+94.6%Added
Brandywine Global Investment Management, LLC107,316$64.9M0.49%+39,126+57.4%Added
Bellevue Group AG106,410$64.4M0.65%+750+0.7%Added
Marshall Wace, LLP103,972$62.9M0.31%+31,520+43.5%Added
Renaissance Technologies LLC101,262$61.3M0.08%+101,262New
Armistice Capital, LLC100,000$60.5M1.50%−56,000−35.9%Reduced
State of Tennessee, Treasury Department99,790$60.4M0.24%+18,478+22.7%Added
Retirement Systems of Alabama98,294$59.5M0.22%−2,204−2.2%Reduced
DekaBank Deutsche Girozentrale96,518$59.1M0.17%+12,787+15.3%Added