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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, Q4 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 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
1,387
+167 vs. Q3 2025
Shares held
91.6M
+4.76M (+5.5%) vs. Q3 2025
Total value
$70.7B
+$21.9B (+44.9%) vs. Q3 2025
New holders
273
502 more added
Sold out
106
457 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,387 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 heldQ4 2025: $70.7B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding REGN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Fort Sheridan Advisors LLC280$216.1K0.03%+280New
Private Advisory Group LLC280$216.1K0.02%+280New
Armis Advisers, LLC294$215.5K0.02%−18−5.8%Reduced
Crescent Sterling, Ltd.279$215.4K0.22%+279New
Values Added Financial LLC279$215.4K0.09%+279New
Parkside Financial Bank & Trust278$214.6K0.02%+115+70.6%Added
Morgan Creek Capital Management, LLC276$213.0K0.06%+276New
Essex Savings Bank276$213.0K0.05%+276New
Covestor Ltd274$212.0K0.11%−77−21.9%Reduced
Boston Private Wealth LLC274$211.5K0.01%+274New
Allium Financial Advisors, LLC274$211.5K0.17%+274New
AlphaGrep UK Ltd274$211.5K0.07%+274New
Aprio Wealth Management, LLC273$210.9K0.01%+273New
Aster Capital Management (DIFC) Ltd272$209.9K0.09%+157+136.5%Added
Versant Capital Management, Inc271$209.2K0.03%+15+5.9%Added
Hantz Financial Services, Inc.271$209.0K0.00%+93+52.2%Added
Cornerstone Wealth Group, LLC268$206.9K0.01%+268New
Twin Lakes Capital Management, LLC265$204.9K0.09%00.0%Unchanged
GGM Financials LLC264$204.0K0.10%00.0%Unchanged
Cora Capital Advisors LLC264$203.8K0.08%+264New
Kelly Lawrence W & Associates Inc263$203.0K0.05%00.0%Unchanged
B&L Asset Management LLC262$202.2K0.09%+262New
Sentry Investment Management LLC262$202.0K0.13%00.0%Unchanged
KRS Capital Management, LLC260$200.7K0.12%+260New
Brookstone Capital Management259$200.2K0.00%+259New
Banque Transatlantique SA254$196.0K0.00%00.0%Unchanged
Penserra Capital Management LLC253$194.0K0.00%−107−29.7%Reduced
Estabrook Capital Management250$193.0K0.03%00.0%Unchanged
Anchor Investment Management, LLC250$193.0K0.02%00.0%Unchanged
Syntax Research, Inc.245$189.1K0.12%00.0%Unchanged
Vision Retirement, LLC243$187.6K0.05%+243New
Ronald Blue Trust, Inc.239$184.5K0.00%−40−14.3%Reduced
Harbour Investments, Inc.211$162.9K0.00%−14−6.2%Reduced
Key Financial Inc210$162.1K0.03%−71−25.3%Reduced
TCTC Holdings, LLC202$155.9K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC200$154.4K0.02%00.0%Unchanged
Private Trust Co NA198$152.8K0.01%+5+2.6%Added
Centaurus Financial, Inc.195$151.0K0.01%−16−7.6%Reduced
Keating Financial Advisory Services, Inc.194$149.7K0.02%+194New
Financial Perspectives, Inc193$149.0K0.04%00.0%Unchanged
Gen-Wealth Partners Inc190$147.0K0.05%−14−6.9%Reduced
SJS Investment Consulting Inc.189$145.9K0.02%+39+26.0%Added
Optiver Holding B.V.183$141.3K0.00%+183New
Whipplewood Advisors, LLC175$135.1K0.09%00.0%Unchanged
HM Payson & Co170$131.2K0.00%−25−12.8%Reduced
TD Private Client Wealth LLC169$130.4K0.00%+15+9.7%Added
Basecamp Wealth Advisors LLC164$126.6K0.03%+164New
True Wealth Design, LLC163$125.8K0.04%+38+30.4%Added
Hara Capital LLC161$124.3K0.07%00.0%Unchanged
VSM Wealth Advisory, LLC150$115.8K0.03%00.0%Unchanged
Cary Street Partners Financial LLC148$114.0K0.00%+2+1.4%Added
CVA Family Office, LLC145$111.9K0.01%−5−3.3%Reduced
Ameriflex Group, Inc.145$111.9K0.06%+145New
Nkcfo LLC142$110.0K0.03%+142New
DV Equities, LLC142$109.6K0.02%+142New
Reflection Asset Management140$108.1K0.08%+140New
Greenline Wealth Management LLC139$107.1K0.11%+139New
Montag A & Associates Inc137$105.8K0.00%−1−0.7%Reduced
SageView Advisory Group, LLC134$103.5K0.00%+134New
NBT Bank N A132$101.9K0.01%00.0%Unchanged
Cohen & Steers, Inc.130$100.0K0.00%00.0%Unchanged
NVWM, LLC128$98.8K0.02%+122+2,033.3%Added
GW&K Investment Management, LLC119$92.0K0.00%+4+3.5%Added
GPS Wealth Strategies Group, LLC119$91.8K0.08%−312−72.4%Reduced
LMR Partners LLP117$90.3K0.00%−15,457−99.2%Reduced
Kempen Capital Management N.V.116$89.5K0.00%−6,202−98.2%Reduced
Game Plan Financial Advisors, LLC115$88.8K0.04%00.0%Unchanged
Purpose Unlimited Inc.113$87.2K0.00%+113New
ARK Investment Management LLCSuperinvestorARK Invest110$84.7K0.00%−12,032−99.1%Reduced
Clayton Financial Group LLC107$82.6K0.04%+107New
Sound Income Strategies, LLC112$82.1K0.00%+109+3,633.3%Added
Bryn Mawr Trust Co106$81.8K0.00%00.0%Unchanged
Elyxium Wealth, LLC105$81.1K0.02%+105New
Ancora Advisors, LLC105$81.0K0.00%+45+75.0%Added
Truvestments Capital LLC105$81.0K0.01%+53+101.9%Added
TFC Financial Management104$80.3K0.01%+1+1.0%Added
Ogorek Anthony Joseph102$79.0K0.02%−3−2.9%Reduced
Mark Sheptoff Financial Planning, LLC100$77.2K0.04%00.0%Unchanged
Antipodes Partners Ltd97$74.9K0.00%+97New
Sittner & Nelson, LLC95$74.6K0.03%00.0%Unchanged
MidFirst Bank298$74.1K0.01%+298New
Community Bank, N.A.95$73.3K0.01%00.0%Unchanged
Lodestone Wealth Management LLC92$70.6K0.03%+92New
Itau Unibanco Holding S.A.86$66.4K0.00%−41−32.3%Reduced
St. Johns Investment Management Company, LLC86$66.4K0.03%00.0%Unchanged
Spire Wealth Management82$63.5K0.00%−10−10.9%Reduced
Westside Investment Management, Inc.82$63.4K0.01%+1+1.2%Added
MV Capital Management, Inc.78$60.2K0.01%+16+25.8%Added
Glen Eagle Advisors, LLC77$59.4K0.01%−40−34.2%Reduced
American National Bank76$58.7K0.01%00.0%Unchanged
TSFG, LLC75$58.0K0.01%−17−18.5%Reduced
Brown, Lisle/Cummings, Inc.75$57.9K0.01%00.0%Unchanged
Solstein Capital, LLC71$54.8K0.02%−137−65.9%Reduced
Graney & King, LLC69$53.3K0.03%+68+6,800.0%Added
ORG Partners LLC69$53.2K0.01%+31+81.6%Added
Activest Wealth Management68$52.5K0.01%+30+78.9%Added
Sankala Group LLC65$50.8K0.04%+65New
Maryland Capital Advisors Inc.65$50.2K0.02%00.0%Unchanged
Raleigh Capital Management Inc.64$49.4K0.02%+64New
Rossby Financial, LCC64$49.4K0.02%+8+14.3%Added