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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; 1,342 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: 1,342 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 20261,342$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
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund29,756$16.6M0.15%−1,500−4.8%Reduced
Erste Asset Management GmbH31,470$17.2M0.34%−1,650−5.0%Reduced
Aviva PLC32,231$18.0M0.08%+101+0.3%Added
Westpac Banking Corp32,507$18.2M0.18%+7,613+30.6%Added
Capital International Inc33,160$18.5M0.17%−3,434−9.4%Reduced
Brinker Capital Investments, LLC33,396$18.7M0.25%+5,741+20.8%Added
Washington Trust Co33,563$18.7M0.53%+1,423+4.4%Added
Royal London Asset Management Ltd34,272$19.1M0.08%−1,858−5.1%Reduced
LPL Financial LLC34,835$19.5M0.02%−5,222−13.0%Reduced
SEI Investments Co34,765$19.6M0.04%+4,376+14.4%Added
International Biotechnology Trust PLC37,200$20.8M5.54%−6,600−15.1%Reduced
Robeco Institutional Asset Management B.V.37,244$20.8M0.05%−75,370−66.9%Reduced
Vestcor Inc38,684$21.6M0.73%+12,922+50.2%Added
Shell Asset Management Co39,341$22.0M0.43%+19,699+100.3%Added
Caisse de Depot Et Placement du Quebec39,665$22.2M0.05%+32,436+448.7%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main40,210$22.5M0.04%+2,096+5.5%Added
Swedbank AB40,408$22.6M0.04%00.0%Unchanged
Boston Common Asset Management, LLC41,571$23.2M1.00%+16,466+65.6%Added
Tobam42,418$23.7M0.95%−1,174−2.7%Reduced
Moore Capital Management, LP42,640$23.8M0.44%+42,640New
Dai-Ichi Life Insurance Company, Ltd43,094$24.1M0.30%+12,817+42.3%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.43,226$24.1M0.13%+5,535+14.7%Added
Voya Investment Management LLC43,654$24.4M0.05%−8,654−16.5%Reduced
American International Group, Inc.43,671$24.4M0.10%−1,564−3.5%Reduced
Suncoast Equity Management44,000$24.6M3.21%−440−1.0%Reduced
Los Angeles Capital Management LLC44,197$24.7M0.11%+18,553+72.3%Added
Stifel Financial Corp44,293$24.7M0.04%+16,509+59.4%Added
AMP Capital Investors Ltd46,063$25.7M0.12%−1,556−3.3%Reduced
Toronto Dominion Bank46,251$25.8M0.04%−5,316−10.3%Reduced
Taurus Asset Management, LLC46,587$26.0M2.72%+425+0.9%Added
DnB Asset Management AS47,291$26.4M0.18%+5,195+12.3%Added
Treasurer of the State of North Carolina48,219$26.9M0.16%+2,136+4.6%Added
STRS Ohio48,473$27.1M0.10%+533+1.1%Added
Grantham, Mayo, Van Otterloo & Co. LLC48,500$27.1M0.14%+6,900+16.6%Added
Alberta Investment Management Corp50,088$28.0M0.23%−3,032−5.7%Reduced
Nordea Investment Management AB50,853$28.4M0.04%+469+0.9%Added
Standard Life Aberdeen plc51,705$28.9M0.06%−22,347−30.2%Reduced
D. E. Shaw & Co., Inc.53,016$29.6M0.03%+32,316+156.1%Added
Storebrand Asset Management AS53,816$30.1M0.15%−3,359−5.9%Reduced
Thrivent Financial for Lutherans55,199$30.8M0.06%+16,546+42.8%Added
Clough Capital Partners L P55,520$31.0M1.74%+55,520New
Skandinaviska Enskilda Banken AB (publ)55,838$31.2M0.19%−27,991−33.4%Reduced
NN Investment Partners Holdings N.V.55,914$31.2M0.17%−8,034−12.6%Reduced
Citadel Advisors LLC57,768$32.3M0.03%+38,085+193.5%Added
Marshall Wace North America L.P.58,628$32.7M0.14%+45,916+361.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)60,587$33.8M0.19%+8,133+15.5%Added
Assetmark, Inc60,943$34.0M0.16%−2,192−3.5%Reduced
Korea Investment CORP62,046$34.7M0.10%−1,120−1.8%Reduced
State of New Jersey Common Pension Fund D62,406$34.9M0.11%−484−0.8%Reduced
Public Employees Retirement System of Ohio63,522$35.5M0.13%−33−0.1%Reduced
Asset Management One Co.,Ltd.64,743$36.2M0.13%+1,483+2.3%Added
Envestnet Asset Management Inc64,752$36.2M0.02%−100.0%Reduced
Mn Services Vermogensbeheer B.V.77,200$36.4M0.28%+77,200New
Martingale Asset Management L P65,169$36.4M0.42%−3,192−4.7%Reduced
Van Eck Associates Corp65,600$36.6M0.09%+3,649+5.9%Added
State of Wisconsin Investment Board65,631$36.7M0.08%−8,719−11.7%Reduced
Nomura Asset Management Co Ltd66,180$37.0M0.21%−2,253−3.3%Reduced
Markel Group Inc.SuperinvestorMarkel Group66,800$37.3M0.47%+21,300+46.8%Added
Balyasny Asset Management LLC66,919$37.4M0.20%+66,919New
Jane Street Group, LLC67,852$37.9M0.10%+7,526+12.5%Added
Brandywine Global Investment Management, LLC68,190$38.1M0.28%+10,745+18.7%Added
Mirae Asset Global Investments Co., Ltd.69,236$38.7M0.11%+10,597+18.1%Added
Marshall Wace, LLP72,452$40.5M0.21%+54,384+301.0%Added
Tri Locum Partners LP75,627$42.2M17.67%+10,922+16.9%Added
Woodline Partners LP77,859$43.5M0.81%−108,040−58.1%Reduced
Guggenheim Capital LLC79,444$44.4M0.26%+11,343+16.7%Added
BNP Paribas Arbitrage, SA80,582$45.0M0.09%+6,611+8.9%Added
State of Tennessee, Treasury Department81,312$45.4M0.17%−16,071−16.5%Reduced
DekaBank Deutsche Girozentrale83,731$45.7M0.13%+4,819+6.1%Added
Krensavage Asset Management, LLC82,104$45.9M15.57%−594−0.7%Reduced
TD Asset Management Inc80,788$46.4M0.05%+2,104+2.7%Added
Victory Capital Management Inc84,074$47.0M0.05%+913+1.1%Added
AustralianSuper Pty Ltd86,175$48.1M0.34%+15,684+22.2%Added
Seizert Capital Partners, LLC87,062$48.6M2.32%+2,485+2.9%Added
Mackenzie Financial Corp88,451$49.4M0.07%+18,282+26.1%Added
Glenmede Trust Co NA89,028$49.7M0.26%−2,313−2.5%Reduced
Adage Capital Partners GP, L.L.C.96,706$54.0M0.11%+48,300+99.8%Added
Ensign Peak Advisors, Inc98,078$54.8M0.11%−4,258−4.2%Reduced
Pinnacle Associates Ltd99,381$55.5M1.00%−1,110−1.1%Reduced
Retirement Systems of Alabama100,498$56.1M0.20%−971−1.0%Reduced
Royal Bank of Canada100,831$56.3M0.02%−1,125−1.1%Reduced
Raymond James & Associates101,183$56.5M0.05%+9,986+10.9%Added
Manufacturers Life Insurance Company, The102,019$57.0M0.05%−1,706−1.6%Reduced
Bellevue Group AG105,660$59.0M0.58%+69,860+195.1%Added
Macquarie Group Ltd106,077$59.2M0.05%+2,865+2.8%Added
Man Group plc108,953$60.9M0.22%−11,314−9.4%Reduced
Bronte Capital Management Pty Ltd.117,469$65.6M9.85%+58,082+97.8%Added
Citigroup Inc120,545$67.3M0.06%−4,337−3.5%Reduced
AXA S.A.122,382$68.4M0.19%−15,653−11.3%Reduced
Bank of Montreal127,987$70.0M0.04%+29,131+29.5%Added
Principal Financial Group Inc125,614$70.2M0.05%−6,296−4.8%Reduced
State Board of Administration of Florida Retirement System126,930$70.9M0.13%−4,050−3.1%Reduced
Virginia Retirement Systems Et Al127,100$71.0M0.70%−200−0.2%Reduced
New York State Teachers Retirement System128,742$71.9M0.15%−4,637−3.5%Reduced
HSBC Holdings PLC131,678$73.0M0.09%−134,728−50.6%Reduced
KBC Group NV131,841$73.6M0.27%−15,873−10.7%Reduced
ProShare Advisors LLC135,743$75.8M0.22%−4,301−3.1%Reduced
Natixis Advisors, L.P.137,132$76.6M0.36%−1,206−0.9%Reduced
Tekla Capital Management LLC138,132$77.2M2.51%−15,373−10.0%Reduced
Bank of Nova Scotia145,648$81.4M0.15%+125,015+605.9%Added