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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 2024

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2024. 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
1,313
+55 vs. Q4 2023
Shares held
93.3M
+3.06M (+3.4%) vs. Q4 2023
Total value
$89.3B
+$10.1B (+12.7%) vs. Q4 2023
New holders
151
484 more added
Sold out
96
449 more reduced

16 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 1,313 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 2024: $89.3B
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 2024

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2023.

Institutions holding REGN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC10,794,072$10.4B0.70%+476,657+4.6%Added
Vanguard Group Inc8,930,241$8.60B0.17%+91,956+1.0%Added
BlackRock Inc.8,568,654$8.25B0.19%−61,053−0.7%Reduced
JPMorgan Chase & Co7,727,174$7.44B0.66%+500,405+6.9%Added
State Street Corp4,841,548$4.66B0.21%−59,703−1.2%Reduced
Capital World Investors4,654,855$4.48B0.74%−475,630−9.3%Reduced
Capital International Investors3,129,010$3.01B0.61%+213,038+7.3%Added
Geode Capital Management, LLC2,376,591$2.28B0.21%+22,374+1.0%Added
Dodge & Cox2,359,864$2.27B1.32%−7,816−0.3%Reduced
Franklin Resources Inc1,694,298$1.63B0.52%+1,210,185+250.0%Added
Morgan Stanley1,339,499$1.29B0.10%+199,980+17.5%Added
Loomis Sayles & Co L P1,207,195$1.16B1.65%−11,872−1.0%Reduced
Norges Bank1,104,274$1.06B0.17%+42,471+4.0%Added
Wellington Management Group LLP1,092,975$1.05B0.19%−9,115−0.8%Reduced
Northern Trust Corp991,465$954.3M0.16%−54,943−5.3%Reduced
Invesco Ltd.986,068$949.1M0.20%+221,061+28.9%Added
Amundi1,056,459$944.6M0.41%+142,334+15.6%Added
Price T Rowe Associates Inc902,613$868.8M0.11%+184,561+25.7%Added
Bank of New York Mellon Corp886,544$853.3M0.16%−62,031−6.5%Reduced
Bank of America Corp884,068$850.9M0.08%+5,655+0.6%Added
American Century Companies Inc881,905$848.8M0.53%−49,423−5.3%Reduced
Legal & General Group Plc819,282$788.5M0.23%−7,406−0.9%Reduced
Alliancebernstein L.P.736,533$708.9M0.25%−7,684−1.0%Reduced
UBS Asset Management Americas Inc684,564$658.9M0.23%+18,183+2.7%Added
Charles Schwab Investment Management Inc638,223$614.3M0.14%+17,607+2.8%Added
Dimensional Fund Advisors LP588,953$566.9M0.15%−4,569−0.8%Reduced
Nuveen Asset Management, LLC538,750$518.5M0.15%+90,281+20.1%Added
Massachusetts Financial Services Co480,524$462.5M0.14%+238,174+98.3%Added
Neuberger Berman Group LLC451,684$434.7M0.36%−14,205−3.0%Reduced
California Public Employees Retirement System407,058$391.8M0.28%−5,449−1.3%Reduced
Pictet Asset Management Holding SA404,244$389.6M0.42%−30,156−6.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.404,008$388.9M1.03%+18,788+4.9%Added
Capital Research Global Investors394,182$379.4M0.09%−12,222−3.0%Reduced
Goldman Sachs Group Inc380,921$366.6M0.08%+9,136+2.5%Added
HSBC Holdings PLC377,426$363.2M0.26%+52,414+16.1%Added
Barclays PLC343,618$330.7M0.15%+45,381+15.2%Added
Manufacturers Life Insurance Company, The338,296$325.6M0.30%−1,364−0.4%Reduced
First Trust Advisors LP336,472$323.9M0.33%−29,478−8.1%Reduced
Ameriprise Financial Inc332,545$320.0M0.09%−3,306−1.0%Reduced
Swiss National Bank320,800$308.8M0.22%−13,000−3.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.319,048$307.1M0.21%−301−0.1%Reduced
Deutsche Bank AG312,076$300.4M0.14%−13,319−4.1%Reduced
TD Asset Management Inc269,511$259.4M0.24%+166,998+162.9%Added
UBS Group AG257,481$247.8M0.08%+122,544+90.8%Added
Chevy Chase Trust Holdings, Inc.242,380$233.3M0.76%−7,197−2.9%Reduced
BNP Paribas Arbitrage, SA239,824$230.8M0.28%+24,286+11.3%Added
D. E. Shaw & Co., Inc.230,471$221.8M0.28%−133,587−36.7%Reduced
Bank of Montreal229,053$221.5M0.11%−56,112−19.7%Reduced
Caisse de Depot Et Placement du Quebec228,001$219.4M0.53%−32,165−12.4%Reduced
DekaBank Deutsche Girozentrale221,176$212.6M0.40%−3,009−1.3%Reduced
Standard Life Aberdeen plc220,249$212.0M0.42%+349+0.2%Added
Candriam Luxembourg S.C.A.217,771$209.6M1.34%−23,847−9.9%Reduced
Marshall Wace, LLP200,387$192.9M0.32%+105,861+112.0%Added
Millennium Management LLC199,206$191.7M0.16%−81,075−28.9%Reduced
ABN AMRO Bank N.V.198,910$191.6M2.86%+182,099+1,083.2%Added
Assenagon Asset Management S.A.189,685$182.6M0.48%−26,838−12.4%Reduced
National Pension Service187,749$180.7M0.22%+1,439+0.8%Added
Rhumbline Advisers183,567$176.7M0.17%+1,969+1.1%Added
AQR Capital Management LLC182,452$175.2M0.30%−13,429−6.9%Reduced
Polar Capital Holdings Plc176,958$170.3M1.03%−20,889−10.6%Reduced
California State Teachers Retirement System173,049$166.6M0.21%+1,648+1.0%Added
Woodline Partners LP170,602$164.2M1.52%+512+0.3%Added
Principal Financial Group Inc168,412$162.1M0.10%+37,685+28.8%Added
Panagora Asset Management Inc167,955$161.7M0.84%+12,997+8.4%Added
Renaissance Technologies LLC165,362$159.2M0.25%−77,700−32.0%Reduced
Credit Suisse AG165,324$159.1M0.15%−10,004−5.7%Reduced
Qube Research & Technologies Ltd155,848$150.0M0.27%−15,516−9.1%Reduced
Citigroup Inc154,192$148.4M0.16%+37,371+32.0%Added
New York State Common Retirement Fund145,915$140.4M0.19%−4,283−2.9%Reduced
Bronte Capital Management Pty Ltd.145,073$139.6M11.98%−348−0.2%Reduced
McDonald Capital Investors Inc141,013$135.7M8.50%−2,516−1.8%Reduced
Royal Bank of Canada138,554$133.4M0.03%−123,237−47.1%Reduced
Swedbank AB134,294$129.3M0.18%+30,351+29.2%Added
Ensign Peak Advisors, Inc133,182$128.2M0.23%−5,964−4.3%Reduced
APG Asset Management N.V.143,767$128.1M0.22%−2,807−1.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.132,864$127.9M0.18%+21,528+19.3%Added
Adage Capital Partners GP, L.L.C.132,138$127.2M0.24%−3,511−2.6%Reduced
Russell Investments Group, Ltd.128,511$123.7M0.20%+7,481+6.2%Added
Wells Fargo & Company126,718$122.0M0.03%+8,284+7.0%Added
Canada Pension Plan Investment Board125,290$120.6M0.13%−1,616−1.3%Reduced
ProShare Advisors LLC125,203$120.5M0.32%+21,604+20.9%Added
Allianz Asset Management GmbH123,950$119.3M0.20%−28,361−18.6%Reduced
Bank Julius Baer & Co. Ltd, Zurich117,881$113.3M0.43%+26,610+29.2%Added
Robeco Institutional Asset Management B.V.116,367$112.0M0.24%−3,924−3.3%Reduced
Natixis Advisors, L.P.113,963$109.7M0.25%+3,546+3.2%Added
Man Group plc108,472$104.4M0.28%+14,912+15.9%Added
Mirae Asset Global Investments Co., Ltd.121,325$104.4M0.23%−2,992−2.4%Reduced
State Board of Administration of Florida Retirement System124,124$102.0M0.24%+6,419+5.5%Added
Handelsbanken Fonder AB105,127$101.2M0.44%+10,087+10.6%Added
Rockefeller Capital Management L.P.104,701$100.8M0.29%−910−0.9%Reduced
Janus Henderson Group PLC103,992$100.1M0.05%−8,837−7.8%Reduced
Capital Group Private Client Services, Inc.103,869$100.0M1.02%+10,857+11.7%Added
Epoch Investment Partners, Inc.103,551$99.7M0.44%+103,551New
New York State Teachers Retirement System103,176$99.3M0.21%−3,762−3.5%Reduced
Great West Life Assurance Co101,164$97.4M0.20%−10,824−9.7%Reduced
AXA S.A.101,153$97.4M0.29%−9,324−8.4%Reduced
Victory Capital Management Inc99,114$95.4M0.09%+6,223+6.7%Added
Assetmark, Inc94,170$90.6M0.29%+1,999+2.2%Added
FIL Ltd89,259$85.9M0.09%+9,613+12.1%Added
Korea Investment CORP86,842$83.6M0.21%−13,759−13.7%Reduced