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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; 1,341 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, Q2 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 2026. 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
1,341
−44 vs. Q1 2026
Shares held
91.4M
+1.18M (+1.3%) vs. Q1 2026
Total value
$57.1B
−$12.5B (−17.9%) vs. Q1 2026
New holders
125
485 more added
Sold out
169
542 more reduced

16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,341 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: 1,341 institutions
Value heldQ2 2026: $57.1B
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 20261,341$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, Q2 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding REGN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Moneta Group Investment Advisors LLC502$313.2K0.00%+24+5.0%Added
Sowell Financial Services LLC502$313.3K0.01%+6+1.2%Added
Claro Advisors LLC502$313.3K0.03%−66−11.6%Reduced
Commerzbank Aktiengesellschaft506$316.0K0.01%−33−6.1%Reduced
Premier Path Wealth Partners, LLC507$316.0K0.04%−160−24.0%Reduced
Dorsey & Whitney Trust CO LLC515$320.9K0.02%−36−6.5%Reduced
Groupe la Francaise553$320.9K0.00%+111+25.1%Added
71 West Capital Partners516$321.7K0.01%+182+54.5%Added
Mutual Advisors, LLC516$321.9K0.01%+55+11.9%Added
BIP Wealth, LLC522$325.5K0.01%+522New
Childress Capital Advisors, LLC523$326.1K0.05%−44−7.8%Reduced
Investment House LLC525$327.4K0.01%00.0%Unchanged
K.J. Harrison & Partners Inc526$328.0K0.05%00.0%Unchanged
Integrity Alliance, LLC.528$329.2K0.01%+39+8.0%Added
Equitable Trust Co528$329.2K0.01%−28−5.0%Reduced
Readystate Asset Management LP530$330.5K0.01%+530New
Capital Investment Advisors, LLC530$330.7K0.00%−39−6.9%Reduced
Tred Avon Family Wealth, LLC531$331.2K0.10%+24+4.7%Added
Lebenthal Global Advisors, LLC532$331.8K0.04%−30−5.3%Reduced
17 Capital Partners, LLC537$334.8K0.15%+537New
Legacy Capital Group California, Inc.537$334.8K0.10%+537New
Pinnacle Wealth Planning Services, Inc.540$336.7K0.03%−20−3.6%Reduced
Everhart Financial Group, Inc.542$338.0K0.02%−118−17.9%Reduced
Davenport & Co LLC543$338.6K0.00%+55+11.3%Added
First Western Trust Bank545$339.8K0.02%+1+0.2%Added
Hudson Value Partners, LLC547$341.1K0.09%00.0%Unchanged
Compagnie Lombard Odier SCmA550$342.9K0.00%00.0%Unchanged
AXA S.A.675$344.0K0.40%+322+91.2%Added
D.A. Davidson & Co.554$345.4K0.00%+29+5.5%Added
Abner Herrman & Brock LLC557$347.0K0.03%00.0%Unchanged
IHT Wealth Management, LLC557$347.3K0.01%−30−5.1%Reduced
Ramiah Investment Group558$347.9K0.27%+558New
Pure Financial Advisors, Inc.561$349.9K0.00%+38+7.3%Added
Chicago Trust Co NA562$350.4K0.05%+259+85.5%Added
Union Bancaire Privee, UBP SA571$351.0K0.01%−3,803−86.9%Reduced
Providence First Trust Co565$352.3K0.10%+565New
Ellevest, Inc.562$353.0K0.04%−69−10.9%Reduced
YHB Investment Advisors, Inc.568$354.2K0.02%00.0%Unchanged
Sentinus, LLC569$354.8K0.03%−592−51.0%Reduced
Frank, Rimerman Advisors LLC570$355.4K0.02%−432−43.1%Reduced
Change Path, LLC571$356.1K0.01%−88−13.4%Reduced
QTR Family Wealth, LLC574$357.9K0.12%−40−6.5%Reduced
Sym Financial Corp574$357.9K0.03%−21−3.5%Reduced
Edmond de Rothschild Holding S.A.574$357.9K0.00%+574New
Sovran Advisors, LLC516$358.7K0.03%−5,503−91.4%Reduced
Keudell/Morrison Wealth Management582$362.9K0.07%+15+2.6%Added
Stevens Capital Management LP585$365.0K0.09%+274+88.1%Added
Institute for Wealth Management, LLC.586$365.4K0.03%−30−4.9%Reduced
BTG Pactual Asset Management US LLC591$368.5K0.03%+591New
Knightsbridge Asset Management, LLC594$370.4K0.05%−280−32.0%Reduced
Northbridge Financial Group, LLC597$372.3K0.14%−138−18.8%Reduced
Chesapeake Capital Corp603$376.0K0.20%+7+1.2%Added
LCM Capital Management Inc603$376.0K0.16%+22+3.8%Added
BSW Wealth Partners605$377.3K0.04%+87+16.8%Added
Procyon Private Wealth Partners, LLC607$378.5K0.02%−282−31.7%Reduced
First Horizon Corp615$383.5K0.01%−168−21.5%Reduced
TritonPoint Partners, LLC619$386.0K0.03%+619New
QRG Capital Management, Inc.620$386.7K0.00%−82−11.7%Reduced
E Fund Management (Hong Kong) Co., Ltd.621$387.2K0.13%+247+66.0%Added
GTS Securities LLC626$390.3K0.01%−141−18.4%Reduced
Excelsior Advisor Network LLC626$390.6K0.05%+626New
Larson Financial Group LLC627$390.9K0.01%+66+11.8%Added
Resources Investment Advisors, LLC.628$391.7K0.00%+100+18.9%Added
Icon Wealth Advisors, LLC631$393.4K0.02%−628−49.9%Reduced
Harbour Investments, Inc.636$396.8K0.01%−4−0.6%Reduced
Supplemental Annuity Collective Trust of NJ641$399.7K0.10%−41−6.0%Reduced
Aspire Growth Partners LLC643$401.1K0.23%+17+2.7%Added
Essex Financial Services, Inc.644$401.3K0.02%−121−15.8%Reduced
Alpha Family Trust645$402.2K0.16%−55−7.9%Reduced
Horizon Kinetics Asset Management LLC645$402.2K0.00%−30−4.4%Reduced
Moors & Cabot, Inc.645$402.2K0.02%−158−19.7%Reduced
Tidemark, LLC646$402.5K0.09%+79+13.9%Added
Almanack Investment Partners, LLC.649$404.7K0.05%+649New
Capital Analysts, LLC650$405.0K0.01%+130+25.0%Added
Portland Investment Counsel Inc.654$407.8K0.11%00.0%Unchanged
J. Safra Sarasin Holding AG656$409.2K0.01%+656New
Gamco Investors, Inc. Et Al657$409.7K0.00%+18+2.8%Added
Kestra Investment Management, LLC659$410.8K0.01%+659New
Intesa Sanpaolo S.p.A.670$417.8K0.01%+50+8.1%Added
Avestar Capital, LLC673$419.6K0.02%+14+2.1%Added
Kingsview Wealth Management, LLC675$420.9K0.01%−64−8.7%Reduced
Cyndeo Wealth Partners, LLC676$421.3K0.02%00.0%Unchanged
Clearstead Advisors, LLC676$421.5K0.00%−458−40.4%Reduced
ABN AMRO Bank N.V.678$421.9K0.01%00.0%Unchanged
Nicolet Bankshares Inc684$426.5K0.01%−21−3.0%Reduced
Abacus Wealth Partners, LLC685$427.1K0.04%−523−43.3%Reduced
AlphaCore Capital LLC686$427.5K0.01%−170−19.9%Reduced
OpenArc Corporate Advisory, LLC688$429.0K0.01%−121−15.0%Reduced
Cary Street Partner Investment Advisory LLC688$429.0K0.09%−43−5.9%Reduced
Cooper Financial Group695$433.1K0.04%−263−27.5%Reduced
Flagship Harbor Advisors, LLC702$437.9K0.02%−42−5.6%Reduced
Inscription Capital, LLC709$441.8K0.04%+352+98.6%Added
Asahi Life Asset Management Co., Ltd.709$442.1K0.25%+709New
Oslo Pensjonsforsikring AS712$444.0K0.05%+86+13.7%Added
Essential Partners LLC713$444.6K0.20%−22−3.0%Reduced
Strait & Sound Wealth Management LLC714$445.2K0.16%+26+3.8%Added
Hennion & Walsh Asset Management, Inc.715$445.8K0.01%+3+0.4%Added
Bank Julius Baer & Co. Ltd, Zurich718$448.7K0.00%−38,255−98.2%Reduced
North Star Asset Management Inc727$453.3K0.02%−10−1.4%Reduced
Kingswood Wealth Advisors, LLC740$461.6K0.02%−25−3.3%Reduced