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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 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2023. 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
1,180
+24 vs. Q2 2023
Shares held
91.2M
−829.1K (−0.9%) vs. Q2 2023
Total value
$75.1B
+$9.34B (+14.2%) vs. Q2 2023
New holders
111
400 more added
Sold out
87
447 more reduced

12 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 1,180 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 2023: $75.1B
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 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding REGN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,840,892$8.10B0.70%+669,517+7.3%Added
BlackRock Inc.8,875,309$7.30B0.21%−210,673−2.3%Reduced
Vanguard Group Inc8,798,505$7.24B0.18%−58,533−0.7%Reduced
JPMorgan Chase & Co7,389,154$6.08B0.71%+845,167+12.9%Added
Capital World Investors5,107,339$4.20B0.83%−443,043−8.0%Reduced
State Street Corp4,829,106$3.97B0.22%−161,764−3.2%Reduced
Capital International Investors2,974,338$2.45B0.62%+17,723+0.6%Added
Dodge & Cox2,372,998$1.95B1.32%−21,357−0.9%Reduced
Geode Capital Management, LLC2,319,986$1.91B0.23%+38,857+1.7%Added
Price T Rowe Associates Inc2,217,665$1.83B0.27%−34,598−1.5%Reduced
Wellington Management Group LLP1,506,885$1.24B0.25%−162,047−9.7%Reduced
Loomis Sayles & Co L P1,232,879$1.01B1.74%−44,605−3.5%Reduced
Putnam Investments LLC1,186,406$976.4M1.48%+17,085+1.5%Added
Northern Trust Corp1,067,210$878.3M0.17%+34,326+3.3%Added
Norges Bank1,058,752$871.3M0.18%+12,397+1.2%Added
Morgan Stanley970,957$799.1M0.08%+25,792+2.7%Added
Bank of New York Mellon Corp967,414$796.1M0.17%+2,666+0.3%Added
American Century Companies Inc916,718$754.4M0.58%+30,050+3.4%Added
Bank of America Corp836,859$688.7M0.08%−1,686−0.2%Reduced
Legal & General Group Plc820,208$675.0M0.24%−26,921−3.2%Reduced
Invesco Ltd.743,348$611.7M0.16%−165,714−18.2%Reduced
Neuberger Berman Group LLC707,811$582.6M0.53%−852−0.1%Reduced
Amundi685,286$575.4M0.28%+574+0.1%Added
UBS Asset Management Americas Inc695,387$572.3M0.26%+29,203+4.4%Added
Alliancebernstein L.P.692,258$569.7M0.24%+4,399+0.6%Added
Dimensional Fund Advisors LP619,266$509.7M0.17%+6,442+1.1%Added
Charles Schwab Investment Management Inc598,058$492.2M0.14%−1,978−0.3%Reduced
Franklin Resources Inc483,210$397.7M0.20%−5,454−1.1%Reduced
California Public Employees Retirement System420,244$345.8M0.30%−138,520−24.8%Reduced
Sustainable Growth Advisers, LP418,581$344.5M1.75%−1,900−0.5%Reduced
Capital Research Global Investors413,389$340.2M0.09%−7,655−1.8%Reduced
Pictet Asset Management Holding SA413,042$339.9M0.42%+413,042New
Nuveen Asset Management, LLC395,763$325.7M0.11%−56,714−12.5%Reduced
Goldman Sachs Group Inc393,170$323.6M0.08%−108,860−21.7%Reduced
D. E. Shaw & Co., Inc.370,421$304.8M0.50%+82,642+28.7%Added
Manufacturers Life Insurance Company, The365,974$301.2M0.18%+1,474+0.4%Added
Ameriprise Financial Inc365,674$300.9M0.10%−10,854−2.9%Reduced
Swiss National Bank347,100$285.6M0.22%−41,200−10.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.328,321$270.2M0.22%−5,080−1.5%Reduced
Candriam Luxembourg S.C.A.290,310$238.9M1.95%−15,308−5.0%Reduced
Deutsche Bank AG271,631$223.5M0.14%−28,150−9.4%Reduced
HSBC Holdings PLC269,002$221.4M0.25%−33,661−11.1%Reduced
Barclays PLC254,870$209.7M0.14%−24,114−8.6%Reduced
Chevy Chase Trust Holdings, Inc.250,921$206.5M0.82%−1,811−0.7%Reduced
Two Sigma Advisers, LP242,900$199.9M0.51%−56,400−18.8%Reduced
Massachusetts Financial Services Co235,471$193.8M0.07%−315,252−57.2%Reduced
DekaBank Deutsche Girozentrale200,390$166.8M0.38%+32,538+19.4%Added
AQR Capital Management LLC190,169$156.5M0.32%−29,481−13.4%Reduced
BNP Paribas Arbitrage, SA185,106$152.3M0.34%+33,903+22.4%Added
National Pension Service182,423$151.9M0.24%+3,212+1.8%Added
Rhumbline Advisers183,278$150.8M0.18%−2,795−1.5%Reduced
Bank of Montreal181,115$150.8M0.09%+33,317+22.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.182,485$150.2M0.46%+66,664+57.6%Added
TD Asset Management Inc180,267$148.4M0.18%+70,628+64.4%Added
Holocene Advisors, LP177,753$146.3M0.65%+16,891+10.5%Added
California State Teachers Retirement System170,740$140.5M0.22%−5,820−3.3%Reduced
First Trust Advisors LP170,048$139.9M0.17%+8,430+5.2%Added
Credit Suisse AG169,104$139.2M0.15%+344+0.2%Added
New York State Common Retirement Fund162,338$133.6M0.19%−7,839−4.6%Reduced
Renaissance Technologies LLC162,062$133.4M0.23%+73,862+83.7%Added
Royal Bank of Canada159,933$131.6M0.04%+6,991+4.6%Added
Allianz Asset Management GmbH158,593$130.5M0.27%+2,400+1.5%Added
Panagora Asset Management Inc158,444$130.4M0.81%+2,364+1.5%Added
Caisse de Depot Et Placement du Quebec148,071$121.9M0.35%−32,187−17.9%Reduced
McDonald Capital Investors Inc146,119$120.3M9.38%−3,080−2.1%Reduced
Citigroup Inc144,486$118.9M0.17%−810−0.6%Reduced
APG Asset Management N.V.143,497$118.1M0.24%−3,207−2.2%Reduced
Bronte Capital Management Pty Ltd.141,442$116.4M11.72%+3,126+2.3%Added
Canada Pension Plan Investment Board140,506$115.6M0.17%+37,000+35.7%Added
Woodline Partners LP136,572$112.4M1.32%+88,910+186.5%Added
Polar Capital Holdings Plc132,500$109.0M0.81%00.0%Unchanged
Principal Financial Group Inc131,355$108.1M0.08%−1,672−1.3%Reduced
Handelsbanken Fonder AB129,026$106.2M0.59%−4,532−3.4%Reduced
Virginia Retirement Systems Et Al128,454$105.7M1.04%+12,500+10.8%Added
Ensign Peak Advisors, Inc127,656$105.1M0.22%+3,003+2.4%Added
Russell Investments Group, Ltd.126,201$103.9M0.21%+352+0.3%Added
Mirae Asset Global Investments Co., Ltd.125,253$103.1M0.23%+15,751+14.4%Added
Great West Life Assurance Co123,363$101.5M0.24%−236−0.2%Reduced
Janus Henderson Group PLC122,413$100.7M0.07%+35,120+40.2%Added
ProShare Advisors LLC121,621$100.1M0.31%+12,984+12.0%Added
Wells Fargo & Company116,564$95.9M0.03%−24,171−17.2%Reduced
Robeco Institutional Asset Management B.V.115,533$95.1M0.25%−7,312−6.0%Reduced
AXA S.A.114,041$93.9M0.33%+685+0.6%Added
State Board of Administration of Florida Retirement System111,740$92.0M0.22%−4,100−3.5%Reduced
Natixis Advisors, L.P.111,021$91.4M0.28%−123−0.1%Reduced
New York State Teachers Retirement System109,967$90.5M0.22%−5,601−4.8%Reduced
Perpetual Ltd106,554$87.7M0.91%−7,883−6.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.105,733$87.0M0.18%+8,320+8.5%Added
Marshall Wace, LLP105,277$86.6M0.19%−38,231−26.6%Reduced
UBS Group AG104,420$85.9M0.04%−56,022−34.9%Reduced
Rockefeller Capital Management L.P.104,011$85.6M0.33%+25,319+32.2%Added
Macquarie Group Ltd101,751$83.7M0.11%+498+0.5%Added
Korea Investment CORP95,796$78.8M0.23%−14,550−13.2%Reduced
Adage Capital Partners GP, L.L.C.94,749$78.0M0.18%−43,300−31.4%Reduced
Assenagon Asset Management S.A.94,420$77.7M0.27%−23,865−20.2%Reduced
Capital Group Private Client Services, Inc.92,676$76.3M0.93%+26,108+39.2%Added
Prudential Financial Inc92,185$75.9M0.12%−1,495−1.6%Reduced
Assetmark, Inc90,619$74.6M0.30%+9,980+12.4%Added
Mitsubishi UFJ Trust & Banking Corp90,444$74.4M0.19%−46,138−33.8%Reduced
Victory Capital Management Inc88,914$73.2M0.08%+11,370+14.7%Added