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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, 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
1,342
−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
543 more reduced

15 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: 1,342 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 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 20261,342$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, 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
Formidable Asset Management, LLC847$528.1K0.08%00.0%Unchanged
Sagespring Wealth Partners, LLC833$519.3K0.01%−179−17.7%Reduced
Stephens Inc831$517.9K0.01%−56−6.3%Reduced
Cambria Investment Management, L.P.830$517.5K0.03%+475+133.8%Added
Axxion S.A.830$517.5K0.04%+830New
Gradient Investments LLC827$515.7K0.01%−19−2.2%Reduced
AMJ Financial Wealth Management662$511.5K0.12%00.0%Unchanged
Gsa Capital Partners LLP817$509.0K0.03%−3,014−78.7%Reduced
Hobbs Group Advisors, LLC810$505.1K0.13%+542+202.2%Added
Soltis Investment Advisors LLC810$505.1K0.03%−186−18.7%Reduced
Pinnacle Financial Partners, Inc.809$504.6K0.00%+8+1.0%Added
BayBridge Capital Group, LLC808$503.8K0.26%+387+91.9%Added
Bayesian Capital Management, LP808$503.8K0.32%+808New
Sumitomo Life Insurance Co806$502.6K0.01%−20−2.4%Reduced
King Luther Capital Management Corp800$498.8K0.00%−148−15.6%Reduced
Hancock Whitney Corp792$493.8K0.01%00.0%Unchanged
Mather Group, LLC.791$493.4K0.00%+210+36.1%Added
RFG Advisory, LLC789$492.1K0.01%−587−42.7%Reduced
HighPoint Advisor Group LLC788$491.5K0.02%+20+2.6%Added
Algert Global LLC786$490.1K0.01%+786New
Penbrook Management LLC785$489.5K0.31%00.0%Unchanged
Fullerton Fund Management Co Ltd.783$488.2K0.03%+7+0.9%Added
Sienna Gestion764$488.1K0.03%−735−49.0%Reduced
Value Investment Professionals, LLC778$485.3K0.41%+1+0.1%Added
waypoint wealth counsel777$484.5K0.30%−308−28.4%Reduced
Cidel Asset Management Inc775$483.2K0.02%+56+7.8%Added
Polymer Capital Management (US) LLC772$481.4K0.07%−610−44.1%Reduced
Livforsakringsbolaget Skandia, Omsesidigt772$481.3K0.02%00.0%Unchanged
JT Stratford LLC769$479.5K0.05%−6−0.8%Reduced
Connecticut Wealth Management, LLC766$477.6K0.02%+1+0.1%Added
Beacon Investment Advisory Services, Inc.757$472.0K0.02%−9,055−92.3%Reduced
Pointe Capital Management LLC757$472.0K0.21%−60−7.3%Reduced
Independent Advisor Alliance753$469.6K0.01%+28+3.9%Added
Huntington National Bank750$467.7K0.00%+64+9.3%Added
Klingenstein Fields & Co LP747$465.8K0.02%−14,819−95.2%Reduced
Tritonpoint Wealth, LLC745$464.5K0.05%+64+9.4%Added
Prelude Capital Management, LLC744$463.9K0.03%+744New
Crestwood Advisors Group LLC743$463.1K0.01%−34−4.4%Reduced
Insigneo Advisory Services, LLC742$462.8K0.02%+305+69.8%Added
Williams Jones Wealth Management, LLC.742$462.7K0.01%−68−8.4%Reduced
Kingswood Wealth Advisors, LLC740$461.6K0.02%−25−3.3%Reduced
North Star Asset Management Inc727$453.3K0.02%−10−1.4%Reduced
Bank Julius Baer & Co. Ltd, Zurich718$448.7K0.00%−38,255−98.2%Reduced
Hennion & Walsh Asset Management, Inc.715$445.8K0.01%+3+0.4%Added
Strait & Sound Wealth Management LLC714$445.2K0.16%+26+3.8%Added
Essential Partners LLC713$444.6K0.20%−22−3.0%Reduced
Oslo Pensjonsforsikring AS712$444.0K0.05%+86+13.7%Added
Asahi Life Asset Management Co., Ltd.709$442.1K0.25%+709New
Inscription Capital, LLC709$441.8K0.04%+352+98.6%Added
Flagship Harbor Advisors, LLC702$437.9K0.02%−42−5.6%Reduced
Cooper Financial Group695$433.1K0.04%−263−27.5%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
AlphaCore Capital LLC686$427.5K0.01%−170−19.9%Reduced
Abacus Wealth Partners, LLC685$427.1K0.04%−523−43.3%Reduced
Nicolet Bankshares Inc684$426.5K0.01%−21−3.0%Reduced
ABN AMRO Bank N.V.678$421.9K0.01%00.0%Unchanged
Clearstead Advisors, LLC676$421.5K0.00%−458−40.4%Reduced
Cyndeo Wealth Partners, LLC676$421.3K0.02%00.0%Unchanged
Kingsview Wealth Management, LLC675$420.9K0.01%−64−8.7%Reduced
Avestar Capital, LLC673$419.6K0.02%+14+2.1%Added
Intesa Sanpaolo S.p.A.670$417.8K0.01%+50+8.1%Added
Kestra Investment Management, LLC659$410.8K0.01%+659New
Gamco Investors, Inc. Et Al657$409.7K0.00%+18+2.8%Added
J. Safra Sarasin Holding AG656$409.2K0.01%+656New
Portland Investment Counsel Inc.654$407.8K0.11%00.0%Unchanged
Capital Analysts, LLC650$405.0K0.01%+130+25.0%Added
Almanack Investment Partners, LLC.649$404.7K0.05%+649New
Tidemark, LLC646$402.5K0.09%+79+13.9%Added
Moors & Cabot, Inc.645$402.2K0.02%−158−19.7%Reduced
Alpha Family Trust645$402.2K0.16%−55−7.9%Reduced
Horizon Kinetics Asset Management LLC645$402.2K0.00%−30−4.4%Reduced
Essex Financial Services, Inc.644$401.3K0.02%−121−15.8%Reduced
Aspire Growth Partners LLC643$401.1K0.23%+17+2.7%Added
Supplemental Annuity Collective Trust of NJ641$399.7K0.10%−41−6.0%Reduced
Harbour Investments, Inc.636$396.8K0.01%−4−0.6%Reduced
Icon Wealth Advisors, LLC631$393.4K0.02%−628−49.9%Reduced
Resources Investment Advisors, LLC.628$391.7K0.00%+100+18.9%Added
Larson Financial Group LLC627$390.9K0.01%+66+11.8%Added
Excelsior Advisor Network LLC626$390.6K0.05%+626New
GTS Securities LLC626$390.3K0.01%−141−18.4%Reduced
E Fund Management (Hong Kong) Co., Ltd.621$387.2K0.13%+247+66.0%Added
QRG Capital Management, Inc.620$386.7K0.00%−82−11.7%Reduced
TritonPoint Partners, LLC619$386.0K0.03%+619New
First Horizon Corp615$383.5K0.01%−168−21.5%Reduced
Procyon Private Wealth Partners, LLC607$378.5K0.02%−282−31.7%Reduced
BSW Wealth Partners605$377.3K0.04%+87+16.8%Added
LCM Capital Management Inc603$376.0K0.16%+22+3.8%Added
Chesapeake Capital Corp603$376.0K0.20%+7+1.2%Added
Northbridge Financial Group, LLC597$372.3K0.14%−138−18.8%Reduced
Knightsbridge Asset Management, LLC594$370.4K0.05%−280−32.0%Reduced
BTG Pactual Asset Management US LLC591$368.5K0.03%+591New
Institute for Wealth Management, LLC.586$365.4K0.03%−30−4.9%Reduced
Stevens Capital Management LP585$365.0K0.09%+274+88.1%Added
Keudell/Morrison Wealth Management582$362.9K0.07%+15+2.6%Added
Sovran Advisors, LLC516$358.7K0.03%−5,503−91.4%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
Change Path, LLC571$356.1K0.01%−88−13.4%Reduced