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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, Q4 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 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
1,081
+77 vs. Q3 2021
Shares held
90.2M
+85.9K (+0.1%) vs. Q3 2021
Total value
$56.9B
+$2.60B (+4.8%) vs. Q3 2021
New holders
175
428 more added
Sold out
98
320 more reduced

18 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 1,081 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 heldQ4 2021: $56.9B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding REGN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC10,062,967$6.35B0.47%−1,004,984−9.1%Reduced
BlackRock Inc.9,610,871$6.07B0.16%+244,009+2.6%Added
Vanguard Group Inc8,158,515$5.15B0.12%+87,234+1.1%Added
Capital World Investors5,323,635$3.36B0.53%+3,635+0.1%Added
State Street Corp4,799,822$3.03B0.14%+159,817+3.4%Added
JPMorgan Chase & Co4,591,529$2.90B0.36%+489,084+11.9%Added
Wellington Management Group LLP3,134,775$1.98B0.32%−233,290−6.9%Reduced
Loomis Sayles & Co L P2,629,151$1.66B2.01%−127,584−4.6%Reduced
Geode Capital Management, LLC1,977,302$1.25B0.15%+237,090+13.6%Added
Putnam Investments LLC1,343,603$848.5M1.21%+849+0.1%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)1,321,319$834.4M1.30%−4,977−0.4%Reduced
Northern Trust Corp1,203,326$759.9M0.12%+3,291+0.3%Added
Bank of America Corp1,161,314$733.4M0.08%+5,040+0.4%Added
American Century Companies Inc1,064,936$672.5M0.43%−109,728−9.3%Reduced
Norges Bank964,691$609.2M0.13%−15,695−1.6%Reduced
Sustainable Growth Advisers, LP914,180$577.3M2.95%−104,274−10.2%Reduced
Price T Rowe Associates Inc913,255$576.7M0.05%+103,415+12.8%Added
Bank of New York Mellon Corp884,022$558.3M0.10%+3,207+0.4%Added
California Public Employees Retirement System783,412$494.7M0.33%−19,267−2.4%Reduced
Legal & General Group Plc750,509$474.0M0.14%−15,609−2.0%Reduced
Franklin Resources Inc632,448$399.4M0.14%+26,801+4.4%Added
UBS Asset Management Americas Inc607,918$383.9M0.15%+83,707+16.0%Added
Neuberger Berman Group LLC599,832$378.0M0.30%+40,234+7.2%Added
Invesco Ltd.588,211$371.5M0.09%+103,773+21.4%Added
Alliancebernstein L.P.570,120$360.0M0.13%+68,434+13.6%Added
Charles Schwab Investment Management Inc556,294$351.3M0.10%+26,766+5.1%Added
Morgan Stanley536,032$338.5M0.04%+41,339+8.4%Added
Dimensional Fund Advisors LP502,498$317.4M0.10%+98,968+24.5%Added
Barclays PLC489,609$309.2M0.19%+172,347+54.3%Added
Acadian Asset Management LLC452,193$285.5M1.07%−77,272−14.6%Reduced
AQR Capital Management LLC449,619$283.9M0.51%+173,586+62.9%Added
Amundi460,330$283.6M0.18%+33,873+7.9%Added
Sumitomo Mitsui Trust Holdings, Inc.432,215$273.0M0.17%−37,054−7.9%Reduced
Deutsche Bank AG414,941$262.0M0.12%−34,017−7.6%Reduced
Ameriprise Financial Inc406,996$256.8M0.07%+26,327+6.9%Added
Swiss National Bank399,472$252.3M0.15%−14,500−3.5%Reduced
Two Sigma Advisers, LP388,500$245.3M0.61%+388,500New
Nuveen Asset Management, LLC383,243$242.0M0.07%−2,830−0.7%Reduced
Goldman Sachs Group Inc375,645$237.2M0.06%−77,147−17.0%Reduced
Candriam Luxembourg S.C.A.364,586$230.2M1.47%−24,057−6.2%Reduced
APG Asset Management N.V.407,624$226.4M0.38%−8,200−2.0%Reduced
Pictet Asset Management SA349,126$220.5M0.22%−108,764−23.8%Reduced
Two Sigma Investments, LP323,417$204.2M0.50%+318,349+6,281.6%Added
Parametric Portfolio Associates LLC300,877$190.0M0.10%+14,185+4.9%Added
D. E. Shaw & Co., Inc.292,871$185.0M0.23%+120,736+70.1%Added
Renaissance Technologies LLC282,962$178.7M0.22%+181,700+179.4%Added
Dodge & Cox279,122$176.3M0.11%+279,122New
Royal Bank of Canada278,119$175.6M0.04%+81,162+41.2%Added
Macquarie Group Ltd273,733$172.9M0.14%+55,802+25.6%Added
Capital International Investors266,000$168.0M0.04%−865,968−76.5%Reduced
Allianz Asset Management GmbH258,914$163.5M0.12%+12,549+5.1%Added
KBC Group NV232,246$146.7M0.48%+87,909+60.9%Added
Chevy Chase Trust Holdings, Inc.231,874$146.4M0.47%+10,618+4.8%Added
Prudential Financial Inc225,822$145.6M0.18%−9,345−4.0%Reduced
ProShare Advisors LLC216,067$136.4M0.27%+63,874+42.0%Added
Russell Investments Group, Ltd.212,055$134.4M0.21%+6,112+3.0%Added
Credit Suisse AG204,715$129.3M0.10%+7,775+3.9%Added
First Trust Advisors LP203,687$128.6M0.13%+5,969+3.0%Added
Skandinaviska Enskilda Banken AB (publ)199,630$128.3M0.66%+90,971+83.7%Added
Manufacturers Life Insurance Company, The201,085$128.0M0.08%+5,969+3.1%Added
Wells Fargo & Company201,815$127.5M0.03%−67,766−25.1%Reduced
LSV Asset Management200,257$126.5M0.22%−9,610−4.6%Reduced
New York State Common Retirement Fund196,256$123.9M0.12%−1,852−0.9%Reduced
UBS Group AG189,171$119.5M0.05%−16,706−8.1%Reduced
Mitsubishi UFJ Trust & Banking Corp187,634$118.5M0.25%+16,040+9.3%Added
California State Teachers Retirement System185,787$117.3M0.14%+8,546+4.8%Added
Caisse de Depot Et Placement du Quebec184,517$116.5M0.25%+62,064+50.7%Added
Handelsbanken Fonder AB183,740$116.0M0.57%+29,317+19.0%Added
Natixis Advisors, L.P.181,291$114.5M0.44%−71,561−28.3%Reduced
Janus Henderson Group PLC178,978$113.0M0.05%−18,668−9.4%Reduced
Susquehanna International Group, LLP176,023$111.2M0.17%−94,140−34.8%Reduced
Great West Life Assurance Co173,914$109.6M0.23%+16,481+10.5%Added
Panagora Asset Management Inc172,836$109.1M0.58%−14,171−7.6%Reduced
AXA S.A.171,075$108.0M0.28%−26,003−13.2%Reduced
Polar Capital Holdings Plc170,000$107.4M0.56%00.0%Unchanged
McDonald Capital Investors Inc166,153$104.9M7.36%−1,675−1.0%Reduced
Rhumbline Advisers161,999$102.3M0.13%+732+0.5%Added
National Pension Service155,542$98.2M0.17%−3,927−2.5%Reduced
FIL Ltd148,394$93.7M0.10%−263,668−64.0%Reduced
Man Group plc147,189$93.0M0.30%+66,819+83.1%Added
Tekla Capital Management LLC143,049$90.3M2.91%−4,966−3.4%Reduced
Truist Financial Corp142,534$90.0M0.14%−187−0.1%Reduced
Citigroup Inc139,457$88.1M0.08%+26,395+23.3%Added
Bronte Capital Management Pty Ltd.130,460$82.4M10.69%+6,236+5.0%Added
Canada Pension Plan Investment Board130,434$82.4M0.09%−11,467−8.1%Reduced
Marshall Wace, LLP129,028$81.5M0.16%+25,056+24.1%Added
Bank of Montreal123,510$80.3M0.04%−35,725−22.4%Reduced
New York State Teachers Retirement System125,943$79.5M0.15%−398−0.3%Reduced
Principal Financial Group Inc125,881$79.5M0.05%−2,415−1.9%Reduced
Millennium Management LLC124,794$78.8M0.09%+55,338+79.7%Added
State Board of Administration of Florida Retirement System121,695$76.9M0.14%−1,732−1.4%Reduced
Virginia Retirement Systems Et Al119,600$75.5M0.69%00.0%Unchanged
Armistice Capital, LLC116,000$73.3M1.78%+16,000+16.0%Added
Los Angeles Capital Management LLC110,895$70.0M0.26%+77,100+228.1%Added
DekaBank Deutsche Girozentrale105,547$68.2M0.17%+9,029+9.4%Added
Teacher Retirement System of Texas102,712$64.9M0.29%+67,786+194.1%Added
Citadel Advisors LLC99,920$63.1M0.07%−9,603−8.8%Reduced
HSBC Holdings PLC96,930$61.8M0.07%−22,829−19.1%Reduced
Allspring Global Investments Holdings, LLC97,793$61.8M0.07%+97,793New
Retirement Systems of Alabama97,229$61.4M0.21%−1,065−1.1%Reduced