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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, Q1 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 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
1,196
+50 vs. Q4 2022
Shares held
99.1M
+5.03M (+5.3%) vs. Q4 2022
Total value
$76.1B
+$9.34B (+14.0%) vs. Q4 2022
New holders
131
442 more added
Sold out
81
422 more reduced

15 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 1,196 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 heldQ1 2023: $76.1B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding REGN in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,440,096$7.76B0.71%−1,656,895−14.9%Reduced
BlackRock Inc.9,418,300$7.74B0.23%+251,483+2.7%Added
Vanguard Group Inc8,852,121$7.27B0.19%+129,673+1.5%Added
JPMorgan Chase & Co6,344,151$5.21B0.68%+234,606+3.8%Added
Capital World Investors5,830,586$4.79B0.99%−411,849−6.6%Reduced
State Street Corp4,893,616$4.02B0.23%−67,269−1.4%Reduced
Dodge & Cox2,384,701$1.96B1.34%+161,642+7.3%Added
Geode Capital Management, LLC2,217,993$1.82B0.24%+10,003+0.5%Added
Price T Rowe Associates Inc2,178,232$1.79B0.27%+454,510+26.4%Added
Capital International Investors2,153,472$1.77B0.46%+623,529+40.8%Added
Wellington Management Group LLP1,767,919$1.45B0.29%−648,328−26.8%Reduced
Loomis Sayles & Co L P1,312,407$1.08B1.87%−25,274−1.9%Reduced
Putnam Investments LLC1,165,317$957.5M1.54%+47,784+4.3%Added
Northern Trust Corp1,154,573$948.7M0.19%−9,439−0.8%Reduced
Norges Bank1,001,113$822.6M0.18%+34,646+3.6%Added
Bank of New York Mellon Corp993,968$816.7M0.18%+9,496+1.0%Added
American Century Companies Inc961,710$783.3M0.62%−140,292−12.7%Reduced
Bank of America Corp947,410$778.5M0.09%+53,728+6.0%Added
Morgan Stanley912,276$749.6M0.08%+22,898+2.6%Added
Invesco Ltd.884,755$727.0M0.20%+191,892+27.7%Added
Legal & General Group Plc849,127$697.7M0.25%+17,758+2.1%Added
Amundi772,215$637.2M0.34%+76,780+11.0%Added
Neuberger Berman Group LLC688,879$566.0M0.52%+39,229+6.0%Added
UBS Asset Management Americas Inc666,184$547.4M0.27%+58,828+9.7%Added
Dimensional Fund Advisors LP633,508$520.5M0.18%−1,080−0.2%Reduced
Alliancebernstein L.P.612,886$503.6M0.22%+7,708+1.3%Added
Charles Schwab Investment Management Inc595,604$489.4M0.15%+8,661+1.5%Added
California Public Employees Retirement System573,812$471.5M0.42%−39,264−6.4%Reduced
Massachusetts Financial Services Co551,526$453.2M0.16%+3,257+0.6%Added
Franklin Resources Inc489,784$402.4M0.20%−13,689−2.7%Reduced
Goldman Sachs Group Inc435,778$358.1M0.10%−126,927−22.6%Reduced
Sustainable Growth Advisers, LP432,997$355.8M2.06%+471+0.1%Added
Pictet Asset Management SA428,903$352.4M0.44%+120,037+38.9%Added
Nuveen Asset Management, LLC427,896$351.6M0.13%+7,597+1.8%Added
Swiss National Bank425,000$349.2M0.24%−10,600−2.4%Reduced
Capital Research Global Investors421,040$346.0M0.10%+421,040New
Sumitomo Mitsui Trust Holdings, Inc.373,138$306.6M0.23%−6,471−1.7%Reduced
Ameriprise Financial Inc357,948$294.1M0.10%+22,584+6.7%Added
Manufacturers Life Insurance Company, The350,865$288.3M0.16%+5,454+1.6%Added
Candriam Luxembourg S.C.A.348,988$263.9M1.83%−33,980−8.9%Reduced
Deutsche Bank AG302,752$248.8M0.14%−21,286−6.6%Reduced
Citadel Advisors LLC291,246$239.3M0.26%+214,170+277.9%Added
Millennium Management LLC276,573$227.3M0.26%+242,590+713.9%Added
HSBC Holdings PLC255,800$210.1M0.27%−1,805−0.7%Reduced
Chevy Chase Trust Holdings, Inc.254,468$209.1M0.83%−3,666−1.4%Reduced
AQR Capital Management LLC240,774$197.7M0.43%−68,381−22.1%Reduced
Allianz Asset Management GmbH234,435$192.6M0.40%−520.0%Reduced
First Trust Advisors LP223,675$183.8M0.21%+23,995+12.0%Added
Two Sigma Advisers, LP209,800$172.4M0.44%+161,300+332.6%Added
Assenagon Asset Management S.A.203,267$167.0M0.66%+81,231+66.6%Added
Janus Henderson Group PLC197,071$161.9M0.11%−49,951−20.2%Reduced
Two Sigma Investments, LP189,295$155.5M0.46%+157,137+488.6%Added
Rhumbline Advisers183,704$150.9M0.19%−4,201−2.2%Reduced
National Pension Service185,174$150.3M0.27%+3,386+1.9%Added
Royal Bank of Canada180,825$148.6M0.04%−117,229−39.3%Reduced
California State Teachers Retirement System179,719$147.7M0.22%−1,830−1.0%Reduced
New York State Common Retirement Fund176,573$145.1M0.19%−8,897−4.8%Reduced
Barclays PLC176,295$144.9M0.15%−51,879−22.7%Reduced
Adage Capital Partners GP, L.L.C.173,249$142.4M0.32%+100,927+139.6%Added
Macquarie Group Ltd171,099$140.6M0.17%−68,587−28.6%Reduced
DekaBank Deutsche Girozentrale173,691$140.0M0.35%+2,702+1.6%Added
Credit Suisse AG169,766$139.5M0.14%−114−0.1%Reduced
Caisse de Depot Et Placement du Quebec165,152$135.7M0.39%+57,736+53.7%Added
Woodline Partners LP154,321$126.8M1.79%−5,172−3.2%Reduced
McDonald Capital Investors Inc152,464$125.3M9.54%−4,122−2.6%Reduced
Handelsbanken Fonder AB152,289$125.1M0.72%−28,290−15.7%Reduced
D. E. Shaw & Co., Inc.151,333$124.3M0.20%+135,038+828.7%Added
Panagora Asset Management Inc147,403$121.1M0.77%+16,301+12.4%Added
Wells Fargo & Company146,607$120.5M0.04%−10,370−6.6%Reduced
Tekla Capital Management LLC143,053$117.5M4.48%+22,191+18.4%Added
AXA S.A.141,737$116.5M0.40%−26,010−15.5%Reduced
APG Asset Management N.V.152,909$115.6M0.25%−24,551−13.8%Reduced
Schroder Investment Management Group140,459$115.4M0.17%−21,466−13.3%Reduced
Railway Pension Investments Ltd137,700$113.1M1.16%+11,400+9.0%Added
Mitsubishi UFJ Trust & Banking Corp136,823$112.4M0.27%−16,209−10.6%Reduced
Bronte Capital Management Pty Ltd.136,373$112.1M13.00%−6,350−4.4%Reduced
Principal Financial Group Inc136,268$112.0M0.08%+1,614+1.2%Added
Polar Capital Holdings Plc132,500$108.9M0.80%+15,000+12.8%Added
Great West Life Assurance Co131,840$108.5M0.27%−12,386−8.6%Reduced
Russell Investments Group, Ltd.128,502$105.5M0.21%−6,275−4.7%Reduced
Holocene Advisors, LP128,249$105.4M0.53%+56,073+77.7%Added
State Board of Administration of Florida Retirement System124,124$102.0M0.24%−90−0.1%Reduced
Robeco Institutional Asset Management B.V.123,423$101.4M0.28%+375+0.3%Added
Perpetual Ltd121,663$100.0M0.86%+121,663New
New York State Teachers Retirement System120,487$99.0M0.23%−2,783−2.3%Reduced
Avidity Partners Management LP119,100$97.9M3.25%+119,100New
AustralianSuper Pty Ltd118,019$97.0M0.67%+1,424+1.2%Added
Renaissance Technologies LLC114,900$94.4M0.13%−76,541−40.0%Reduced
Victory Capital Management Inc114,653$94.2M0.11%+24,362+27.0%Added
ProShare Advisors LLC114,468$94.1M0.29%+9,788+9.4%Added
Thrivent Financial for Lutherans113,327$93.1M0.23%−52,791−31.8%Reduced
TD Asset Management Inc112,134$92.1M0.11%+9,469+9.2%Added
Natixis Advisors, L.P.112,003$92.0M0.32%+4,588+4.3%Added
BNP Paribas Arbitrage, SA110,038$90.4M0.20%+9,640+9.6%Added
Mirae Asset Global Investments Co., Ltd.109,600$90.1M0.21%−1,317−1.2%Reduced
Korea Investment CORP107,659$88.5M0.26%−5,146−4.6%Reduced
Virginia Retirement Systems Et Al104,654$86.0M0.89%+29,554+39.4%Added
Acadian Asset Management LLC103,029$84.6M0.37%−97,354−48.6%Reduced
UBS Group AG101,844$83.7M0.04%−37,451−26.9%Reduced
Canada Pension Plan Investment Board98,506$80.9M0.13%+34,550+54.0%Added