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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, 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: 1,342 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 20261,342$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, 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
Orion Investment Co30,561$19.4M7.97%+675+2.3%Added
Diadema Partners LP29,828$18.9M15.12%+29,828New
Washington Trust Advisors, Inc.29,526$18.7M1.66%+236+0.8%Added
SEI Investments Co29,345$18.6M0.02%+2,913+11.0%Added
Bellevue Group AG28,523$18.1M0.41%−2,889−9.2%Reduced
State of Michigan Retirement System28,521$18.1M0.10%−100−0.3%Reduced
Tamar Securities, LLC28,134$17.8M2.42%+7,733+37.9%Added
Janney Montgomery Scott LLC28,042$17.8M0.05%+4,976+21.6%Added
Traynor Capital Management, Inc.27,856$17.7M1.50%+3,066+12.4%Added
MetLife Investment Management27,697$17.6M0.09%−543−1.9%Reduced
Storebrand Asset Management AS27,398$17.4M0.06%−21,709−44.2%Reduced
Boston Common Asset Management, LLC27,343$17.3M0.53%+5,525+25.3%Added
Engineers Gate Manager LP27,334$17.3M0.29%+19,238+237.6%Added
Howland Capital Management LLC26,688$16.9M0.75%+11,251+72.9%Added
Nissay Asset Management Corp26,417$16.8M0.11%+2,292+9.5%Added
Beacon Investment Advisory Services, Inc.26,259$16.7M0.78%+1,751+7.1%Added
Tiaa Trust, National Association26,018$16.5M0.05%+23,997+1,187.4%Added
China Universal Asset Management Co., Ltd.25,629$16.3M1.51%+955+3.9%Added
Avidity Partners Management LP25,400$16.1M3.32%+17,000+202.4%Added
Oddo BHF Asset Management SAS24,856$15.8M0.65%+23,799+2,251.6%Added
Czech National Bank24,164$15.3M0.14%+1,338+5.9%Added
Nikko Asset Management Americas, Inc.24,164$15.3M0.20%−1,990−7.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys24,060$15.3M0.09%+1,676+7.5%Added
Daiwa Securities Group Inc.23,568$14.9M0.06%+1,906+8.8%Added
HRT Financial LP23,499$14.9M0.09%+14,967+175.4%Added
CI Private Wealth, LLC21,886$13.9M0.02%−998−4.4%Reduced
Illinois Municipal Retirement Fund21,837$13.8M0.20%+2,774+14.6%Added
Andra AP-fonden21,500$13.6M0.22%−11,700−35.2%Reduced
ING Groep NV21,331$13.5M0.09%−7,754−26.7%Reduced
IFM Investors Pty Ltd21,248$13.5M0.15%−102−0.5%Reduced
Bridgewater Associates, LP20,991$13.3M0.06%+20,702+7,163.3%Added
Massachusetts Financial Services Co20,963$13.3M0.00%+5,729+37.6%Added
NEOS Investment Management LLC20,886$13.2M0.25%+3,236+18.3%Added
Forsta Ap-Fonden20,800$13.2M0.10%−1,300−5.9%Reduced
British Columbia Investment Management Corp20,669$13.1M0.08%−92−0.4%Reduced
Amalgamated Bank20,620$13.1M0.11%+247+1.2%Added
Hudson Bay Capital Management LP20,587$13.1M0.08%+5,581+37.2%Added
Braun Stacey Associates Inc20,516$13.0M0.53%−976−4.5%Reduced
GW Henssler & Associates Ltd20,360$12.9M0.74%+2,543+14.3%Added
Raiffeisen Bank International AG20,100$12.8M0.20%+15,105+302.4%Added
Verition Fund Management LLC20,124$12.8M0.07%−6,187−23.5%Reduced
Schaper Benz & Wise Investment Counsel Inc20,098$12.7M1.03%+764+4.0%Added
Moran Wealth Management, LLC19,801$12.6M0.42%+123+0.6%Added
Applied Finance Capital Management, LLC19,793$12.6M0.92%−8,524−30.1%Reduced
Adams Diversified Equity Fund, Inc.19,700$12.5M0.50%−2,000−9.2%Reduced
Beacon Pointe Advisors, LLC19,515$12.4M0.14%−161−0.8%Reduced
Slow Capital, Inc.19,480$12.4M1.65%+6,715+52.6%Added
iA Global Asset Management Inc.19,234$12.2M0.21%+7,586+65.1%Added
Bellecapital International Ltd.19,220$12.2M2.41%−380−1.9%Reduced
Pathstone Holdings, LLC19,138$12.1M0.05%+5,461+39.9%Added
Shelton Capital Management18,478$11.7M0.28%−547−2.9%Reduced
Commonwealth Equity Services, LLC18,419$11.7M0.02%+405+2.2%Added
Univest Financial Corp18,419$11.7M0.76%+4,217+29.7%Added
USS Investment Management Ltd18,202$11.5M0.09%00.0%Unchanged
Oppenheimer & Co Inc18,143$11.5M0.17%+1,369+8.2%Added
Adviser Investments LLC17,970$11.4M0.14%−456−2.5%Reduced
Wellington Management Group LLP17,414$11.0M0.00%−131,415−88.3%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd17,341$11.0M0.11%−2,531−12.7%Reduced
State of Alaska, Department of Revenue17,325$11.0M0.12%+325+1.9%Added
Utah Retirement Systems17,322$11.0M0.13%00.0%Unchanged
North Point Portfolio Managers Corp17,234$10.9M1.92%+197+1.2%Added
Lazard Asset Management LLC16,963$10.8M0.02%−2,949−14.8%Reduced
Varma Mutual Pension Insurance Co16,888$10.7M0.09%−600−3.4%Reduced
Taurus Asset Management, LLC16,711$10.6M1.07%−414−2.4%Reduced
Xponance, Inc.16,267$10.3M0.10%−50.0%Reduced
Jain Global LLC16,142$10.2M0.21%+13,010+415.4%Added
Greenwich Wealth Management LLC16,140$10.2M0.77%+59+0.4%Added
Payden & Rygel16,100$10.2M0.88%+16,100New
AIA Group Ltd16,093$10.2M0.25%+2,493+18.3%Added
Cerity Partners LLC16,020$10.2M0.02%−40−0.2%Reduced
The PNC Financial Services Group, Inc.15,962$10.1M0.01%−755−4.5%Reduced
First Horizon Advisors, Inc.15,314$9.71M0.27%+2,119+16.1%Added
PKO Investment Management Joint-Stock Co15,300$9.70M1.10%+4,500+41.7%Added
Police & Firemen's Retirement System of New Jersey15,226$9.66M0.10%+66+0.4%Added
Wolverine Trading, LLC14,990$9.55M0.30%+1,802+13.7%Added
Tokio Marine Asset Management Co Ltd15,062$9.55M0.35%+2,805+22.9%Added
Comerica Bank14,976$9.50M0.04%+789+5.6%Added
Ilmarinen Mutual Pension Insurance Co14,900$9.45M0.08%+3,500+30.7%Added
J. Goldman & Co LP14,886$9.44M0.33%+2,298+18.3%Added
General American Investors Co Inc14,876$9.43M0.70%00.0%Unchanged
One Capital Management, LLC14,823$9.40M0.32%+2,337+18.7%Added
LMCG Investments, LLC14,481$9.18M0.61%+10,110+231.3%Added
Public Employees Retirement Association of Colorado14,344$9.10M0.04%−188−1.3%Reduced
Captrust Financial Advisors14,288$9.06M0.02%+4,372+44.1%Added
Private Advisor Group, LLC14,276$9.05M0.05%+1,957+15.9%Added
New York Life Investment Management LLC14,240$9.03M0.09%−64−0.4%Reduced
Public Sector Pension Investment Board14,055$8.91M0.04%+1,217+9.5%Added
Dillon & Associates Inc13,736$8.71M1.29%−163−1.2%Reduced
ARK Investment Management LLCSuperinvestorARK Invest13,694$8.69M0.09%+502+3.8%Added
Rakuten Investment Management, Inc.13,622$8.68M0.04%+13,622New
Janus Henderson Group PLC13,553$8.64M0.00%+80+0.6%Added
Louisiana State Employees Retirement System13,600$8.63M0.17%00.0%Unchanged
M&G Plc13,573$8.61M0.04%+820+6.4%Added
Fagan Associates, Inc.13,126$8.33M1.39%+203+1.6%Added
Harvey Capital Management Inc13,092$8.30M2.17%+28+0.2%Added
CIBC World Markets Corp12,820$8.13M0.06%−6,333−33.1%Reduced
Mariner, LLC12,641$8.02M0.01%+1,053+9.1%Added
RK Asset Management, LLC12,563$7.97M7.36%+2,574+25.8%Added
Aquatic Capital Management LLC12,561$7.97M0.20%−14,520−53.6%Reduced
Apriem Advisors12,436$7.89M0.92%−2,058−14.2%Reduced