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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 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2025. 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
1,290
−10 vs. Q4 2024
Shares held
93.1M
+238.3K (+0.3%) vs. Q4 2024
Total value
$59.0B
−$7.18B (−10.8%) vs. Q4 2024
New holders
140
527 more added
Sold out
150
452 more reduced

20 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,290 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 2025: $59.0B
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 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2024.

Institutions holding REGN in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc9,407,891$5.97B0.11%+121,545+1.3%Added
BlackRock, Inc.8,925,880$5.66B0.12%+194,258+2.2%Added
FMR LLC7,598,584$4.82B0.31%−600,995−7.3%Reduced
JPMorgan Chase & Co5,658,197$3.59B0.27%−1,401,174−19.8%Reduced
State Street Corp4,789,659$3.04B0.13%−42,580−0.9%Reduced
Capital International Investors3,989,132$2.53B0.50%−747,797−15.8%Reduced
Geode Capital Management, LLC2,469,585$1.56B0.12%+41,955+1.7%Added
Dodge & Cox2,324,085$1.47B0.84%+2,769+0.1%Added
Franklin Resources Inc2,276,675$1.44B0.42%+231,465+11.3%Added
Price T Rowe Associates Inc2,175,026$1.38B0.17%+89,579+4.3%Added
Capital World Investors1,938,634$1.23B0.20%−840,346−30.2%Reduced
Loomis Sayles & Co L P1,635,981$1.04B1.50%+60,632+3.8%Added
Amundi1,603,901$979.8M0.36%+52,166+3.4%Added
Morgan Stanley1,250,954$793.4M0.06%−179,416−12.5%Reduced
Norges Bank1,128,524$715.7M0.10%+2,591+0.2%Added
Bank of America Corp1,044,237$662.3M0.06%+104,039+11.1%Added
Northern Trust Corp1,001,750$635.3M0.09%−53,079−5.0%Reduced
UBS Asset Management Americas Inc940,336$596.4M0.15%−41,728−4.2%Reduced
Invesco Ltd.850,746$539.6M0.10%−13,503−1.6%Reduced
Goldman Sachs Group Inc837,093$530.9M0.10%+192,456+29.9%Added
Legal & General Group Plc747,033$473.8M0.13%−30,444−3.9%Reduced
BNP Paribas Arbitrage, SA746,613$473.5M0.36%+207,017+38.4%Added
American Century Companies Inc722,467$458.2M0.28%+14,921+2.1%Added
Charles Schwab Investment Management Inc706,440$448.0M0.08%+10,641+1.5%Added
Qube Research & Technologies Ltd702,892$445.8M0.69%+261,238+59.1%Added
Bank of New York Mellon Corp698,253$442.9M0.09%+8,990+1.3%Added
Alliancebernstein L.P.609,608$386.6M0.14%−13,548−2.2%Reduced
D. E. Shaw & Co., Inc.578,889$367.1M0.44%+78,659+15.7%Added
Dimensional Fund Advisors LP571,187$362.3M0.09%−15,838−2.7%Reduced
Two Sigma Advisers, LP553,800$351.2M0.79%+553,800New
Deutsche Bank AG543,092$344.4M0.14%+3,823+0.7%Added
Nuveen, LLC542,018$343.8M0.11%+542,018New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.532,214$337.6M0.91%+20,658+4.0%Added
Assenagon Asset Management S.A.481,389$305.3M0.54%+303,785+171.0%Added
California Public Employees Retirement System473,450$300.3M0.21%+109,954+30.2%Added
Neuberger Berman Group LLC436,508$276.8M0.23%−26,021−5.6%Reduced
Pacer Advisors, Inc.407,370$258.4M0.61%+390,374+2,296.9%Added
Manufacturers Life Insurance Company, The398,236$252.6M0.24%+41,826+11.7%Added
HSBC Holdings PLC389,598$246.6M0.16%−44,206−10.2%Reduced
Two Sigma Investments, LP372,071$236.0M0.51%+337,528+977.1%Added
TD Asset Management Inc351,887$223.2M0.21%−7,502−2.1%Reduced
Ameriprise Financial Inc340,145$215.6M0.06%+13,594+4.2%Added
Barclays PLC321,357$203.8M0.09%−63,821−16.6%Reduced
Swiss National Bank304,800$193.3M0.14%−1,500−0.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.303,669$192.6M0.14%+1,053+0.3%Added
Pictet Asset Management Holding SA300,956$191.2M0.21%+86,859+40.6%Added
UBS Group AG287,163$182.1M0.04%−95,672−25.0%Reduced
Squarepoint Ops LLC284,003$180.1M0.44%+29,424+11.6%Added
National Pension Service253,046$160.5M0.15%+20,596+8.9%Added
Standard Life Aberdeen plc245,197$155.6M0.30%+56,746+30.1%Added
AQR Capital Management LLC235,950$148.7M0.15%+28,865+13.9%Added
Voloridge Investment Management, LLC228,270$144.8M0.54%+16,142+7.6%Added
Caisse de Depot Et Placement du Quebec222,614$141.2M0.30%−87,539−28.2%Reduced
Chevy Chase Trust Holdings, Inc.221,210$140.3M0.45%−8,557−3.7%Reduced
ABN AMRO Bank N.V.221,483$140.1M1.94%+1,614+0.7%Added
DekaBank Deutsche Girozentrale221,176$139.5M0.27%+9,969+4.7%Added
Candriam Luxembourg S.C.A.214,941$136.3M0.85%−46,557−17.8%Reduced
Epoch Investment Partners, Inc.207,456$131.6M0.68%+10,190+5.2%Added
Canada Pension Plan Investment Board203,555$129.1M0.13%−39,918−16.4%Reduced
Royal Bank of Canada203,197$128.9M0.03%−85,740−29.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.198,850$126.1M0.12%+21,842+12.3%Added
McDonald Capital Investors Inc196,773$124.8M7.87%+26,593+15.6%Added
Voya Investment Management LLC189,244$120.0M0.13%+35,410+23.0%Added
Citigroup Inc185,572$117.7M0.09%+49,128+36.0%Added
Bronte Capital Management Pty Ltd.154,693$114.8M9.33%+1,910+1.3%Added
Rhumbline Advisers173,167$109.8M0.10%+2,547+1.5%Added
Millennium Management LLC169,585$107.6M0.10%+36,078+27.0%Added
California State Teachers Retirement System166,096$105.3M0.13%−1,793−1.1%Reduced
ProShare Advisors LLC163,292$103.6M0.23%+17,157+11.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH157,253$99.7M0.20%−21,337−11.9%Reduced
Susquehanna International Group, LLP151,458$96.1M0.16%+69,266+84.3%Added
KBC Group NV149,440$94.8M0.29%+12,793+9.4%Added
Russell Investments Group, Ltd.146,740$93.1M0.13%+9,532+6.9%Added
Wells Fargo & Company145,686$92.4M0.02%−6,822−4.5%Reduced
Acadian Asset Management LLC139,157$88.2M0.25%+56,816+69.0%Added
Thrivent Financial for Lutherans138,290$87.7M0.19%+13,096+10.5%Added
Retirement Systems of Alabama131,382$83.3M0.32%+108,589+476.4%Added
New York State Common Retirement Fund130,540$82.8M0.12%−6,846−5.0%Reduced
Worldquant Millennium Advisors LLC129,801$82.3M0.52%+24,492+23.3%Added
Principal Financial Group Inc129,625$82.2M0.05%−865−0.7%Reduced
Tudor Investment Corp Et Al126,093$80.0M0.71%+97,523+341.3%Added
Great West Life Assurance Co124,623$79.1M0.14%+3,758+3.1%Added
Bank of Nova Scotia122,589$77.7M0.17%+32,427+36.0%Added
Envestnet Asset Management Inc116,727$74.0M0.02%+25,589+28.1%Added
Natixis Advisors, L.P.116,232$73.7M0.14%+6,294+5.7%Added
Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)114,880$72.9M3.88%+114,880New
Armistice Capital, LLC114,073$72.3M1.93%+86,028+306.7%Added
First Trust Advisors LP113,920$72.3M0.06%−158,672−58.2%Reduced
Bank of Montreal113,764$72.2M0.04%−39,503−25.8%Reduced
Robeco Institutional Asset Management B.V.112,495$71.3M0.14%−16,813−13.0%Reduced
Raymond James Financial Inc111,509$70.7M0.03%+20,006+21.9%Added
Capital Group Private Client Services, Inc.111,002$70.4M0.69%+19,672+21.5%Added
Woodline Partners LP106,217$67.4M0.44%+2,938+2.8%Added
Assetmark, Inc103,633$65.7M0.18%+2,658+2.6%Added
Virginia Retirement Systems Et Al103,054$65.4M0.49%+103,054New
Panagora Asset Management Inc102,948$65.3M0.33%−334−0.3%Reduced
State Board of Administration of Florida Retirement System102,736$65.2M0.13%−140−0.1%Reduced
National Bank of Canada97,984$62.1M0.07%−5,667−5.5%Reduced
Viking Global Investors LPSuperinvestorViking Global Investors97,739$62.0M0.20%+97,739New
Zurcher Kantonalbank (Zurich Cantonalbank)97,368$61.8M0.18%−42,590−30.4%Reduced