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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
Alphadyne Asset Management LP508$285.6K0.19%+508New
Redwood Wealth Management Group, LLC506$284.5K0.12%00.0%Unchanged
Virtue Capital Management, LLC501$281.7K0.06%00.0%Unchanged
NJ State Employees Deferred Compensation Plan500$281.1K0.03%00.0%Unchanged
Sonora Investment Management Group, LLC500$281.1K0.02%00.0%Unchanged
Cove Private Wealth, LLC500$281.1K0.09%+40+8.7%Added
NBC Securities, Inc.500$281.1K0.02%+409+449.5%Added
Old National Bancorp500$281.1K0.00%+500New
Kera Capital Partners, Inc.499$280.6K0.04%+499New
Parcion Private Wealth LLC494$277.8K0.02%+494New
Shell Asset Management Co490$276.0K0.03%−9,206−94.9%Reduced
Telos Capital Management, Inc.488$274.4K0.03%+6+1.2%Added
U.S. Capital Wealth Advisors, LLC487$273.9K0.01%+28+6.1%Added
Dorsey & Whitney Trust CO LLC486$273.0K0.01%−20−4.0%Reduced
Checchi Capital Advisers, LLC484$272.1K0.02%−248−33.9%Reduced
Colonial River Wealth Management, LLC484$272.1K0.10%+36+8.0%Added
Axxcess Wealth Management, LLC484$272.1K0.01%+45+10.3%Added
Capital Investment Advisors, LLC477$268.4K0.00%+63+15.2%Added
SCS Capital Management LLC472$265.2K0.00%+472New
Triumph Capital Management465$261.5K0.07%−378−44.8%Reduced
Freestone Capital Holdings, LLC465$261.5K0.01%00.0%Unchanged
AlTi Global, Inc.464$260.9K0.01%+49+11.8%Added
Procyon Private Wealth Partners, LLC463$260.3K0.02%−68−12.8%Reduced
Johnson Investment Counsel Inc463$260.3K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.461$259.2K0.03%−14−2.9%Reduced
United Advisor Group, LLC461$259.2K0.03%+76+19.7%Added
Round Rock Advisors, LLC460$258.6K0.04%−300−39.5%Reduced
Wealth Alliance460$258.6K0.03%+51+12.5%Added
Northwest & Ethical Investments L.P.460$257.9K0.01%+460New
Claro Advisors LLC455$256.0K0.04%+455New
Cim Investment Mangement Inc454$255.3K0.07%−466−50.7%Reduced
Elwood & Goetz Wealth Advisory Group, LLC454$255.3K0.05%−17−3.6%Reduced
Sienna Gestion495$253.8K0.02%−9,627−95.1%Reduced
SevenBridge Financial Group, LLC372$253.6K0.04%−25−6.3%Reduced
Bradley Foster & Sargent Inc451$253.6K0.00%−28−5.8%Reduced
Trust Co of Vermont450$253.0K0.01%−20−4.3%Reduced
Compagnie Lombard Odier SCmA450$253.0K0.00%00.0%Unchanged
Larson Financial Group LLC448$252.0K0.01%+271+153.1%Added
Keel Point, LLC447$251.3K0.02%+447New
Anderson Hoagland & Co446$250.8K0.02%00.0%Unchanged
Two Sigma Securities, LLC445$250.2K0.04%−1,523−77.4%Reduced
Gateway Investment Advisers LLC445$250.2K0.00%−167−27.3%Reduced
PDS Planning, Inc445$250.2K0.02%+445New
Moneta Group Investment Advisors LLC443$249.1K0.00%−7−1.6%Reduced
Sym Financial Corp442$248.5K0.03%+442New
Mather Group, LLC.442$248.5K0.00%+442New
Claret Asset Management Corp440$248.0K0.03%−6−1.3%Reduced
Gladstone Institutional Advisory LLC441$248.0K0.01%+23+5.5%Added
Quent Capital, LLC440$247.6K0.02%+2+0.5%Added
Diametric Capital, LP437$245.7K0.09%+437New
T. Rowe Price Investment Management, Inc.435$245.0K0.00%+147+51.0%Added
Chesley Taft & Associates LLC435$244.6K0.01%00.0%Unchanged
Insigneo Advisory Services, LLC432$242.8K0.02%+45+11.6%Added
GPS Wealth Strategies Group, LLC431$242.3K0.03%−16−3.6%Reduced
Agf Management Ltd430$241.8K0.00%−15−3.4%Reduced
Guardian Wealth Advisors, LLC429$241.2K0.02%−8−1.8%Reduced
McIntyre Freedman & Flynn Investment Advisers Inc426$239.5K0.14%+426New
Lecap Asset Management Ltd417$234.5K0.08%+417New
Intrust Bank NA417$234.5K0.02%−272−39.5%Reduced
Sowell Financial Services LLC416$234.0K0.01%−167−28.6%Reduced
BayBridge Capital Group, LLC416$233.9K0.15%+416New
Fukoku Mutual Life Insurance Co416$233.9K0.01%−100−19.4%Reduced
Union Bancaire Privee, UBP SA517$232.5K0.00%+517New
Forefront Analytics, LLC412$231.8K0.22%−78−15.9%Reduced
Deroy & Devereaux Private Investment Counsel Inc410$231.0K0.01%00.0%Unchanged
Quantbot Technologies LP405$227.7K0.01%−902−69.0%Reduced
QTR Family Wealth, LLC403$226.6K0.11%+403New
Physicians Financial Services, Inc.400$225.0K0.06%00.0%Unchanged
Patton Fund Management, Inc.400$224.9K0.04%00.0%Unchanged
Cary Street Partner Investment Advisory LLC394$221.5K0.09%+45+12.9%Added
American Alpha Advisors, LLC391$219.8K0.16%−28−6.7%Reduced
Fiducient Advisors LLC390$219.4K0.03%00.0%Unchanged
Inceptionr LLC390$219.3K0.05%−234−37.5%Reduced
Robinson Smith Wealth Advisors LLC390$219.3K0.16%00.0%Unchanged
Weaver Capital Management LLC387$217.6K0.05%−770−66.6%Reduced
Montecito Bank & Trust387$217.6K0.03%+387New
Adirondack Trust Co387$217.6K0.07%−13−3.3%Reduced
Avantax Planning Partners, Inc.385$216.5K0.01%−97−20.1%Reduced
Gradient Capital Advisors, LLC385$216.5K0.06%+1+0.3%Added
Skopos Labs, Inc.416$216.4K0.03%+9+2.2%Added
Fielder Capital Group LLC384$215.9K0.05%+384New
Kovack Advisors, Inc.383$215.5K0.02%+383New
Simon Quick Advisors, LLC381$214.2K0.01%+381New
CX Institutional381$214.0K0.01%+79+26.2%Added
Rock Point Advisors, LLC380$213.7K0.06%+380New
Willner & Heller, LLC379$212.8K0.16%−90−19.2%Reduced
Simplicity Wealth,LLC378$212.5K0.01%+378New
SBI Securities Co., Ltd.377$212.0K0.01%−255−40.3%Reduced
Everhart Financial Group, Inc.377$212.0K0.02%+377New
National Asset Management, Inc.374$210.4K0.01%+374New
MMBG Investment Advisors Co.370$208.0K0.02%+370New
Knightsbridge Asset Management, LLC369$207.5K0.04%+369New
Pure Financial Advisors, Inc.367$206.6K0.00%+367New
Phraction Management LLC367$206.4K0.06%+367New
Tribridge Partners Financial LLC343$205.8K0.09%+343New
Greykasell Wealth Strategies, Inc.365$205.2K0.09%−34−8.5%Reduced
Fieldview Capital Management, LLC365$205.2K0.03%+365New
Papamarkou Wellner Asset Management inc.365$205.2K0.13%+365New
Resonant Capital Advisors, LLC363$204.1K0.01%+363New
Bartlett & Co. Wealth Management LLC361$203.0K0.00%+14+4.0%Added