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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, Q3 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 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
1,243
+62 vs. Q2 2025
Shares held
87.1M
−936.8K (−1.1%) vs. Q2 2025
Total value
$49.0B
+$2.72B (+5.9%) vs. Q2 2025
New holders
173
487 more added
Sold out
111
418 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 1,243 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 heldQ3 2025: $49.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding REGN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bellevue Group AG15,057$8.47M0.18%−11,687−43.7%Reduced
Glenmede Investment Management, LP15,031$8.45M0.04%+8,952+147.3%Added
Shelton Capital Management14,987$8.43M0.18%−3,255−17.8%Reduced
Advisor Group Holdings, Inc.14,736$8.40M0.01%−2,332−13.7%Reduced
Ilmarinen Mutual Pension Insurance Co14,900$8.38M0.06%00.0%Unchanged
Captrust Financial Advisors14,417$8.11M0.02%+3,694+34.4%Added
M. Kulyk & Associates, LLC14,373$8.08M1.64%+10,368+258.9%Added
Sumitomo Mitsui DS Asset Management Company, Ltd14,241$8.01M0.06%−25−0.2%Reduced
M&G Plc14,026$7.88M0.04%+451+3.3%Added
Fagan Associates, Inc.13,978$7.86M1.09%+138+1.0%Added
New York Life Investment Management LLC13,943$7.84M0.07%−410−2.9%Reduced
Aquatic Capital Management LLC13,831$7.78M0.14%−38,194−73.4%Reduced
Public Employees Retirement Association of Colorado13,524$7.60M0.03%−758−5.3%Reduced
Elo Mutual Pension Insurance Co13,431$7.55M0.12%+2,514+23.0%Added
Ossiam13,024$7.32M0.09%−2,136−14.1%Reduced
Simplify Asset Management Inc.12,981$7.30M0.15%+9,284+251.1%Added
Sovran Advisors, LLC11,138$7.28M0.64%+6,118+121.9%Added
Louisiana State Employees Retirement System12,900$7.25M0.12%−400−3.0%Reduced
South Dakota Investment Council12,802$7.20M0.14%+2,683+26.5%Added
Summit Financial, LLC12,742$7.16M0.11%+3,932+44.6%Added
RK Asset Management, LLC12,646$7.11M6.46%+44+0.3%Added
Pathstone Holdings, LLC12,640$7.11M0.03%+2,097+19.9%Added
Greenwood Capital Associates LLC12,591$7.08M0.82%−270−2.1%Reduced
Hamilton Wealth, LLC12,581$7.07M1.48%+12,581New
Slow Capital, Inc.12,538$7.05M0.83%+129+1.0%Added
Prime Capital Investment Advisors, LLC12,474$7.01M0.09%+11,835+1,852.1%Added
SG Americas Securities, LLC12,422$6.99M0.03%−3,610−22.5%Reduced
Mercer Global Advisors Inc12,340$6.94M0.01%+6,630+116.1%Added
NorthCrest Asset Manangement, LLC11,896$6.94M0.17%+342+3.0%Added
Charter Trust Co12,280$6.90M0.41%+3,304+36.8%Added
Calamos Advisors LLC12,272$6.90M0.03%00.0%Unchanged
Beacon Pointe Advisors, LLC12,211$6.87M0.06%−7,256−37.3%Reduced
Lido Advisors, LLC12,146$6.83M0.03%+6,474+114.1%Added
ARK Investment Management LLCSuperinvestorARK Invest12,142$6.83M0.04%−464−3.7%Reduced
Thompson Siegel & Walmsley LLC12,082$6.79M0.11%+996+9.0%Added
Fifth Third Bancorp12,063$6.78M0.02%+1,929+19.0%Added
Marietta Wealth Management, LLC12,025$6.76M0.83%+574+5.0%Added
Generali Asset Management SPA SGR12,020$6.76M0.14%−664−5.2%Reduced
Point72 Hong Kong Ltd11,958$6.72M0.31%+11,958New
PEAK6 LLC11,847$6.66M0.17%−25,383−68.2%Reduced
Profund Advisors LLC11,835$6.65M0.22%−1,078−8.3%Reduced
Anchor Capital Advisors LLC11,797$6.63M0.19%+425+3.7%Added
Oregon Public Employees Retirement Fund11,667$6.56M0.09%+2,736+30.6%Added
OP Asset Management Ltd11,656$6.55M0.09%+311+2.7%Added
Hunter Perkins Capital Management, LLC11,616$6.53M1.45%+3,143+37.1%Added
Beacon Investment Advisory Services, Inc.11,525$6.48M0.27%−11,990−51.0%Reduced
Atria Investments LLC11,477$6.45M0.07%+8+0.1%Added
Harvey Capital Management Inc11,402$6.41M1.37%−340−2.9%Reduced
Rock Springs Capital Management LP11,300$6.35M0.37%00.0%Unchanged
PKO Investment Management Joint-Stock Co11,200$6.30M0.54%−7,600−40.4%Reduced
First Horizon Corp11,083$6.23M0.29%+11,083New
JustInvest LLC11,072$6.23M0.06%+219+2.0%Added
Mutual of America Capital Management LLC11,024$6.20M0.07%−868−7.3%Reduced
Pinebridge Investments, L.P.10,890$6.12M0.05%+6,248+134.6%Added
Jump Financial, LLC10,714$6.02M0.08%+5,140+92.2%Added
Artia Global Partners LP10,671$6.00M1.06%00.0%Unchanged
Clear Harbor Asset Management, LLC10,637$5.98M0.42%+2,218+26.3%Added
Avanza Fonder AB10,597$5.96M0.15%+860+8.8%Added
Banque Pictet & Cie SA10,588$5.95M0.06%+5,115+93.5%Added
Oak Associates, Ltd10,490$5.90M0.36%+2,298+28.1%Added
Lazard Asset Management LLC10,380$5.84M0.01%+10,129+4,035.5%Added
Vontobel Holding Ltd.10,363$5.83M0.02%+2,861+38.1%Added
Y-Intercept (Hong Kong) Ltd10,318$5.80M0.14%−24,556−70.4%Reduced
Yousif Capital Management, LLC10,291$5.79M0.06%−576−5.3%Reduced
Oddo BHF Asset Management SAS10,265$5.77M0.22%−16,696−61.9%Reduced
Legato Capital Management LLC10,203$5.74M0.62%+419+4.3%Added
Jacobs & Co10,162$5.71M0.55%−132−1.3%Reduced
Massmutual Trust Co FSB10,109$5.68M0.14%+1,267+14.3%Added
Tang Capital Management LLC10,000$5.62M0.22%00.0%Unchanged
DCF Advisers, LLC10,000$5.62M2.13%+600+6.4%Added
Virtu Financial LLC9,863$5.55M0.31%+6,688+210.6%Added
TD Waterhouse Canada Inc.9,196$5.51M0.04%+4,583+99.3%Added
AIMZ Investment Advisors, LLC9,729$5.47M1.72%−125−1.3%Reduced
Evergreen Wealth Management, LLC9,628$5.41M2.84%−808−7.7%Reduced
Motley Fool Wealth Management, LLC9,622$5.41M0.37%+9,622New
UniSuper Management Pty Ltd9,559$5.37M0.03%+1,191+14.2%Added
SRS Capital Advisors, Inc.9,442$5.31M0.08%+9,361+11,556.8%Added
Kayne Anderson Rudnick Investment Management LLC9,287$5.22M0.01%+317+3.5%Added
Colony Group, LLC9,152$5.15M0.01%+3,785+70.5%Added
Edgestream Partners, L.P.8,885$5.00M0.15%−1,488−14.3%Reduced
Norinchukin Bank, The8,811$4.95M0.07%−343−3.7%Reduced
Prospera Financial Services Inc8,766$4.93M0.08%−5,367−38.0%Reduced
Vinva Investment Management Ltd8,775$4.92M0.10%+2,093+31.3%Added
Rakuten Investment Management, Inc.58,906$4.89M0.02%+58,906New
TB Alternative Assets Ltd.8,652$4.86M0.73%+5,494+174.0%Added
Apriem Advisors8,648$4.86M0.46%−469−5.1%Reduced
Cardinal Capital Management8,431$4.74M0.66%+115+1.4%Added
Public Sector Pension Investment Board8,379$4.71M0.02%+788+10.4%Added
Founders Capital Management, LLC8,277$4.65M0.73%+30.0%Added
Biondo Investment Advisors, LLC8,264$4.65M0.58%−237−2.8%Reduced
Teachers Retirement System of the State of Kentucky8,244$4.63M0.04%00.0%Unchanged
Picton Mahoney Asset Management8,235$4.63M0.06%+8,234+823,400.0%Added
Ellerson Group Inc8,102$4.56M2.83%+2,671+49.2%Added
Stratos Wealth Advisors, LLC7,992$4.49M0.22%−52−0.6%Reduced
Fiduciary Trust Co7,851$4.41M0.05%+289+3.8%Added
Mizuho Securities USA LLC7,420$4.31M0.09%+241+3.4%Added
Prevail Innovative Wealth Advisors, LLC7,628$4.29M0.83%+7,628New
Wellington Management Group LLP7,620$4.28M0.00%−63,535−89.3%Reduced
Thrivent Financial for Lutherans7,535$4.24M0.01%−1,978−20.8%Reduced
Hudson Capital Management LLC7,397$4.16M1.10%+1,292+21.2%Added