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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, Q2 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 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
975
+61 vs. Q1 2021
Shares held
88.9M
−469.4K (−0.5%) vs. Q1 2021
Total value
$49.6B
+$7.39B (+17.5%) vs. Q1 2021
New holders
149
368 more added
Sold out
88
307 more reduced

12 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 975 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 heldQ2 2021: $49.6B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding REGN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC10,910,694$6.09B0.48%−25,295−0.2%Reduced
BlackRock Inc.9,033,550$5.05B0.14%−615,998−6.4%Reduced
Vanguard Group Inc7,969,660$4.45B0.11%−30,752−0.4%Reduced
Capital World Investors5,307,957$2.96B0.50%−876,163−14.2%Reduced
State Street Corp4,516,716$2.52B0.13%−30,585−0.7%Reduced
Wellington Management Group LLP4,057,382$2.27B0.38%+181,002+4.7%Added
JPMorgan Chase & Co3,788,393$2.12B0.27%+752,738+24.8%Added
Loomis Sayles & Co L P2,754,224$1.54B1.86%−122,144−4.2%Reduced
Geode Capital Management, LLC1,708,000$951.1M0.13%+97,810+6.1%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)1,445,053$807.1M1.29%+411,475+39.8%Added
Capital International Investors1,290,146$720.6M0.16%−150.0%Reduced
Northern Trust Corp1,161,503$648.7M0.11%−15,589−1.3%Reduced
American Century Companies Inc1,155,073$645.2M0.44%+50,312+4.6%Added
Bank of America Corp1,115,844$623.2M0.07%−63,967−5.4%Reduced
Norges Bank1,036,707$579.0M0.13%+56,299+5.7%Added
Putnam Investments LLC938,187$524.0M0.82%+282,535+43.1%Added
Sustainable Growth Advisers, LP887,835$495.9M2.60%+95,947+12.1%Added
Alliancebernstein L.P.880,151$491.6M0.20%−1,197,100−57.6%Reduced
Bank of New York Mellon Corp858,616$479.6M0.09%+12,578+1.5%Added
Price T Rowe Associates Inc824,844$460.7M0.04%−37,899−4.4%Reduced
California Public Employees Retirement System795,750$444.5M0.33%+3,514+0.4%Added
Legal & General Group Plc745,052$416.1M0.14%+36,408+5.1%Added
Neuberger Berman Group LLC734,082$409.6M0.36%−21,707−2.9%Reduced
ARK Investment Management LLCSuperinvestorARK Invest713,048$398.3M0.74%−505,922−41.5%Reduced
Franklin Resources Inc612,785$342.3M0.13%+22,781+3.9%Added
UBS Asset Management Americas Inc573,218$320.2M0.14%−45,128−7.3%Reduced
Sumitomo Mitsui Trust Holdings, Inc.551,352$308.0M0.18%+55,497+11.2%Added
Candriam Luxembourg S.C.A.530,346$296.2M2.03%+126,705+31.4%Added
Morgan Stanley505,921$282.6M0.04%−82,457−14.0%Reduced
Charles Schwab Investment Management Inc504,883$282.0M0.09%+5,093+1.0%Added
Deutsche Bank AG501,711$280.2M0.14%+37,449+8.1%Added
Pictet Asset Management Ltd471,560$263.4M0.29%+38,800+9.0%Added
FIL Ltd469,186$262.1M0.28%+83,083+21.5%Added
Invesco Ltd.458,480$256.1M0.06%−10,864−2.3%Reduced
Acadian Asset Management LLC441,650$246.7M0.93%+16,276+3.8%Added
Swiss National Bank429,372$239.8M0.15%−177,450−29.2%Reduced
Ameriprise Financial Inc411,297$229.9M0.07%+126,731+44.5%Added
Susquehanna International Group, LLP358,327$200.1M0.22%+144,175+67.3%Added
APG Asset Management N.V.424,024$199.7M0.34%−877−0.2%Reduced
Goldman Sachs Group Inc356,525$199.1M0.05%−6,203−1.7%Reduced
Nuveen Asset Management, LLC346,795$193.7M0.06%−133,453−27.8%Reduced
Dimensional Fund Advisors LP320,254$178.8M0.06%+70,107+28.0%Added
Wells Fargo & Company270,471$151.1M0.03%+2,008+0.7%Added
Parametric Portfolio Associates LLC253,770$141.7M0.08%+13,514+5.6%Added
Allianz Asset Management GmbH245,525$137.1M0.12%+105,869+75.8%Added
LSV Asset Management236,387$132.0M0.22%−15,564−6.2%Reduced
Credit Suisse AG212,540$118.7M0.09%−360,913−62.9%Reduced
Janus Henderson Group PLC207,946$116.2M0.05%−26,381−11.3%Reduced
New York State Common Retirement Fund201,478$112.5M0.12%+10,042+5.2%Added
Amundi201,419$112.5M0.08%+201,419New
HealthCor Management, L.P.190,380$106.3M4.36%+190,380New
AQR Capital Management LLC194,115$106.1M0.18%−96,546−33.2%Reduced
Rockefeller Capital Management L.P.189,750$106.0M0.60%+62,498+49.1%Added
Point72 Asset Management, L.P.188,700$105.4M0.53%+188,700New
Russell Investments Group, Ltd.188,838$104.8M0.18%+24,724+15.1%Added
Millennium Management LLC184,491$103.0M0.13%−5,091−2.7%Reduced
Chevy Chase Trust Holdings, Inc.180,995$101.1M0.34%+11,658+6.9%Added
Barclays PLC177,798$99.3M0.08%+19,565+12.4%Added
California State Teachers Retirement System176,266$98.5M0.12%−9,837−5.3%Reduced
McDonald Capital Investors Inc174,438$97.4M7.32%−3,368−1.9%Reduced
First Trust Advisors LP172,250$96.2M0.10%−1,807−1.0%Reduced
Prudential Financial Inc168,425$94.1M0.13%−3,137−1.8%Reduced
Mitsubishi UFJ Trust & Banking Corp168,734$93.3M0.20%−5,207−3.0%Reduced
Panagora Asset Management Inc162,026$90.5M0.48%+14,706+10.0%Added
Rhumbline Advisers161,792$90.4M0.12%−3,458−2.1%Reduced
National Pension Service160,970$89.9M0.17%+2,553+1.6%Added
UBS Group AG157,727$88.1M0.04%−760−0.5%Reduced
Armistice Capital, LLC156,000$87.1M2.31%−19,000−10.9%Reduced
Nikko Asset Management Americas, Inc.157,513$87.1M0.34%+77,895+97.8%Added
Great West Life Assurance Co152,779$85.3M0.19%−24,151−13.7%Reduced
Canada Pension Plan Investment Board150,758$84.2M0.10%+104,718+227.5%Added
Polar Capital Holdings Plc150,000$83.8M0.46%+75,000+100.0%Added
Truist Financial Corp149,798$83.7M0.14%+19,063+14.6%Added
Bank of Nova Scotia145,648$81.4M0.15%+125,015+605.9%Added
Tekla Capital Management LLC138,132$77.2M2.51%−15,373−10.0%Reduced
Natixis Advisors, L.P.137,132$76.6M0.36%−1,206−0.9%Reduced
ProShare Advisors LLC135,743$75.8M0.22%−4,301−3.1%Reduced
KBC Group NV131,841$73.6M0.27%−15,873−10.7%Reduced
HSBC Holdings PLC131,678$73.0M0.09%−134,728−50.6%Reduced
New York State Teachers Retirement System128,742$71.9M0.15%−4,637−3.5%Reduced
Virginia Retirement Systems Et Al127,100$71.0M0.70%−200−0.2%Reduced
State Board of Administration of Florida Retirement System126,930$70.9M0.13%−4,050−3.1%Reduced
Principal Financial Group Inc125,614$70.2M0.05%−6,296−4.8%Reduced
Bank of Montreal127,987$70.0M0.04%+29,131+29.5%Added
AXA S.A.122,382$68.4M0.19%−15,653−11.3%Reduced
Citigroup Inc120,545$67.3M0.06%−4,337−3.5%Reduced
Bronte Capital Management Pty Ltd.117,469$65.6M9.85%+58,082+97.8%Added
Man Group plc108,953$60.9M0.22%−11,314−9.4%Reduced
Macquarie Group Ltd106,077$59.2M0.05%+2,865+2.8%Added
Bellevue Group AG105,660$59.0M0.58%+69,860+195.1%Added
Manufacturers Life Insurance Company, The102,019$57.0M0.05%−1,706−1.6%Reduced
Raymond James & Associates101,183$56.5M0.05%+9,986+10.9%Added
Royal Bank of Canada100,831$56.3M0.02%−1,125−1.1%Reduced
Retirement Systems of Alabama100,498$56.1M0.20%−971−1.0%Reduced
Pinnacle Associates Ltd99,381$55.5M1.00%−1,110−1.1%Reduced
Ensign Peak Advisors, Inc98,078$54.8M0.11%−4,258−4.2%Reduced
Adage Capital Partners GP, L.L.C.96,706$54.0M0.11%+48,300+99.8%Added
Glenmede Trust Co NA89,028$49.7M0.26%−2,313−2.5%Reduced
Mackenzie Financial Corp88,451$49.4M0.07%+18,282+26.1%Added
Seizert Capital Partners, LLC87,062$48.6M2.32%+2,485+2.9%Added