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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 4 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
Oregon Public Employees Retirement Fund11,667$6.56M0.09%+2,736+30.6%Added
Anchor Capital Advisors LLC11,797$6.63M0.19%+425+3.7%Added
Profund Advisors LLC11,835$6.65M0.22%−1,078−8.3%Reduced
PEAK6 LLC11,847$6.66M0.17%−25,383−68.2%Reduced
Point72 Hong Kong Ltd11,958$6.72M0.31%+11,958New
Generali Asset Management SPA SGR12,020$6.76M0.14%−664−5.2%Reduced
Marietta Wealth Management, LLC12,025$6.76M0.83%+574+5.0%Added
Fifth Third Bancorp12,063$6.78M0.02%+1,929+19.0%Added
Thompson Siegel & Walmsley LLC12,082$6.79M0.11%+996+9.0%Added
ARK Investment Management LLCSuperinvestorARK Invest12,142$6.83M0.04%−464−3.7%Reduced
Lido Advisors, LLC12,146$6.83M0.03%+6,474+114.1%Added
Beacon Pointe Advisors, LLC12,211$6.87M0.06%−7,256−37.3%Reduced
Calamos Advisors LLC12,272$6.90M0.03%00.0%Unchanged
Charter Trust Co12,280$6.90M0.41%+3,304+36.8%Added
NorthCrest Asset Manangement, LLC11,896$6.94M0.17%+342+3.0%Added
Mercer Global Advisors Inc12,340$6.94M0.01%+6,630+116.1%Added
SG Americas Securities, LLC12,422$6.99M0.03%−3,610−22.5%Reduced
Prime Capital Investment Advisors, LLC12,474$7.01M0.09%+11,835+1,852.1%Added
Slow Capital, Inc.12,538$7.05M0.83%+129+1.0%Added
Hamilton Wealth, LLC12,581$7.07M1.48%+12,581New
Greenwood Capital Associates LLC12,591$7.08M0.82%−270−2.1%Reduced
Pathstone Holdings, LLC12,640$7.11M0.03%+2,097+19.9%Added
RK Asset Management, LLC12,646$7.11M6.46%+44+0.3%Added
Summit Financial, LLC12,742$7.16M0.11%+3,932+44.6%Added
South Dakota Investment Council12,802$7.20M0.14%+2,683+26.5%Added
Louisiana State Employees Retirement System12,900$7.25M0.12%−400−3.0%Reduced
Sovran Advisors, LLC11,138$7.28M0.64%+6,118+121.9%Added
Simplify Asset Management Inc.12,981$7.30M0.15%+9,284+251.1%Added
Ossiam13,024$7.32M0.09%−2,136−14.1%Reduced
Elo Mutual Pension Insurance Co13,431$7.55M0.12%+2,514+23.0%Added
Public Employees Retirement Association of Colorado13,524$7.60M0.03%−758−5.3%Reduced
Aquatic Capital Management LLC13,831$7.78M0.14%−38,194−73.4%Reduced
New York Life Investment Management LLC13,943$7.84M0.07%−410−2.9%Reduced
Fagan Associates, Inc.13,978$7.86M1.09%+138+1.0%Added
M&G Plc14,026$7.88M0.04%+451+3.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd14,241$8.01M0.06%−25−0.2%Reduced
M. Kulyk & Associates, LLC14,373$8.08M1.64%+10,368+258.9%Added
Captrust Financial Advisors14,417$8.11M0.02%+3,694+34.4%Added
Ilmarinen Mutual Pension Insurance Co14,900$8.38M0.06%00.0%Unchanged
Advisor Group Holdings, Inc.14,736$8.40M0.01%−2,332−13.7%Reduced
Shelton Capital Management14,987$8.43M0.18%−3,255−17.8%Reduced
Glenmede Investment Management, LP15,031$8.45M0.04%+8,952+147.3%Added
Bellevue Group AG15,057$8.47M0.18%−11,687−43.7%Reduced
British Columbia Investment Management Corp15,256$8.58M0.05%−1,573−9.3%Reduced
Xponance, Inc.15,274$8.59M0.07%−591−3.7%Reduced
LMR Partners LLP15,574$8.76M0.11%−28,070−64.3%Reduced
Toroso Investments, LLC15,577$8.76M0.04%+2,297+17.3%Added
ADAR1 Capital Management, LLC15,700$8.83M0.87%+12,339+367.1%Added
CIBC World Markets Inc.15,733$8.85M0.02%+10,999+232.3%Added
Janney Montgomery Scott LLC15,766$8.87M0.02%+3,176+25.2%Added
Cetera Investment Advisers16,049$9.02M0.01%+6,295+64.5%Added
Klingenstein Fields & Co LP16,073$9.04M0.34%−26−0.2%Reduced
Commonwealth Equity Services, LLC16,134$9.07M0.01%−1,621−9.1%Reduced
Greenwich Wealth Management LLC16,161$9.09M0.45%+70.0%Added
Allianz Asset Management GmbH16,412$9.23M0.01%−13,975−46.0%Reduced
Verition Fund Management LLC16,424$9.23M0.05%−5,378−24.7%Reduced
Ethic Inc.16,493$9.27M0.15%−354−2.1%Reduced
Woodstock Corp16,610$9.34M0.81%+8,589+107.1%Added
Eversept Partners, LP16,720$9.40M0.72%+3,466+26.2%Added
North Point Portfolio Managers Corp16,731$9.41M1.56%−146−0.9%Reduced
Police & Firemen's Retirement System of New Jersey16,791$9.44M0.08%+914+5.8%Added
AIA Group Ltd17,187$9.66M0.17%−70−0.4%Reduced
Utah Retirement Systems17,225$9.69M0.09%+23+0.1%Added
The PNC Financial Services Group, Inc.17,316$9.74M0.01%+2,601+17.7%Added
CI Private Wealth, LLC17,372$9.77M0.02%+174+1.0%Added
Comerica Bank17,690$9.95M0.04%+2,783+18.7%Added
Suvretta Capital Management, LLC17,730$9.97M0.30%+9,100+105.4%Added
CIBC Bancorp USA Inc.18,022$10.1M0.06%+18,022New
Solas Capital Management, LLC18,218$10.2M6.25%−376−2.0%Reduced
Wealth Enhancement Advisory Services, LLC17,585$10.3M0.02%+7,923+82.0%Added
USS Investment Management Ltd18,280$10.3M0.05%00.0%Unchanged
Generate Investment Management Ltd18,778$10.6M0.54%+6,778+56.5%Added
MML Investors Services, LLC18,849$10.6M0.03%+3,470+22.6%Added
Balyasny Asset Management LLC18,852$10.6M0.02%−134,584−87.7%Reduced
La Banque Postale Asset Management SA18,856$10.6M0.13%+18,295+3,261.1%Added
Horizon Investments, LLC19,029$10.7M0.14%+5,787+43.7%Added
Engineers Gate Manager LP19,074$10.7M0.12%−10,955−36.5%Reduced
State of Alaska, Department of Revenue19,253$10.8M0.11%−712−3.6%Reduced
Amalgamated Bank19,440$10.9M0.08%−623−3.1%Reduced
Summit Global Investments19,623$11.0M0.64%+19,623New
Varma Mutual Pension Insurance Co19,888$11.2M0.07%+1,700+9.3%Added
PFM Health Sciences, LP19,890$11.2M0.95%+19,890New
Creative Planning19,939$11.2M0.01%+10,454+110.2%Added
Nisa Investment Advisors, LLC20,012$11.3M0.04%−739−3.6%Reduced
Nikko Asset Management Americas, Inc.20,224$11.4M0.11%−3,090−13.3%Reduced
iA Global Asset Management Inc.20,248$11.4M0.16%+1,008+5.2%Added
Univest Financial Corp20,323$11.4M0.64%−223−1.1%Reduced
Cerity Partners LLC20,534$11.5M0.02%+6,676+48.2%Added
IFM Investors Pty Ltd20,663$11.7M0.10%−634−3.0%Reduced
Assetmark, Inc20,819$11.7M0.03%−106,802−83.7%Reduced
One Capital Management, LLC20,860$11.7M0.37%+1,140+5.8%Added
Meritage Portfolio Management20,941$11.8M0.78%+9,486+82.8%Added
Noesis Capital Mangement Corp21,165$11.9M1.85%+20,765+5,191.3%Added
J. Goldman & Co LP21,266$12.0M0.45%−12,580−37.2%Reduced
China Universal Asset Management Co., Ltd.21,359$12.0M0.99%−3,178−13.0%Reduced
DDD Partners, LLC21,361$12.0M0.76%+865+4.2%Added
Raiffeisen Bank International AG21,586$12.1M0.16%+2,026+10.4%Added
Ruffer LLP21,540$12.1M0.67%+21,540New
Schaper Benz & Wise Investment Counsel Inc21,728$12.2M0.91%−629−2.8%Reduced
Private Advisor Group, LLC21,822$12.3M0.06%+2,631+13.7%Added