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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 2023

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2023. 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
1,274
+117 vs. Q3 2023
Shares held
91.5M
+429.2K (+0.5%) vs. Q3 2023
Total value
$80.3B
+$5.38B (+7.2%) vs. Q3 2023
New holders
186
441 more added
Sold out
69
442 more reduced

23 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 1,274 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 2023: $80.3B
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 2023

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding REGN in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Wealth Alliance613$538.0K0.08%−26−4.1%Reduced
Emerald Advisers, LLC612$537.5K0.02%−65−9.6%Reduced
Pinnacle Wealth Planning Services, Inc.611$536.6K0.08%−2−0.3%Reduced
Great Diamond Partners, LLC607$533.1K0.13%−17−2.7%Reduced
3Chopt Investment Partners, LLC599$526.1K0.19%+599New
Meritage Portfolio Management595$523.0K0.03%00.0%Unchanged
Alpha Family Trust595$522.6K0.35%00.0%Unchanged
Wedbush Securities Inc594$522.0K0.02%−7−1.2%Reduced
Monarch Capital Management Inc584$512.9K0.16%−29−4.7%Reduced
Klingenstein Fields & Co LP575$505.0K0.02%−1−0.2%Reduced
Conning Inc.572$502.4K0.02%+2+0.4%Added
Moneta Group Investment Advisors LLC569$499.7K0.01%−2−0.4%Reduced
Sentry Investment Management LLC560$492.0K0.21%−60−9.7%Reduced
Redwood Wealth Management Group, LLC556$488.3K0.54%−110−16.5%Reduced
Choate Investment Advisors555$487.5K0.02%−76−12.0%Reduced
Newman Dignan & Sheerar, Inc.548$481.3K0.15%+55+11.2%Added
Inceptionr LLC548$481.3K0.34%+548New
Portside Wealth Group, LLC546$479.5K0.09%+58+11.9%Added
Wealthspire Advisors, LLC538$472.5K0.01%+80+17.5%Added
Paces Ferry Wealth Advisors, LLC528$463.7K0.32%−8−1.5%Reduced
Personal Cfo Solutions, LLC526$462.0K0.08%−64−10.8%Reduced
EverSource Wealth Advisors, LLC525$461.1K0.04%−39−6.9%Reduced
Rehmann Capital Advisory Group525$461.1K0.04%+42+8.7%Added
La Financiere de L'Echiquier520$456.7K0.02%−30−5.5%Reduced
Portfolio Design Labs, LLC520$456.7K0.17%+520New
Premier Path Wealth Partners, LLC516$453.0K0.10%+516New
Savant Capital, LLC514$451.4K0.01%+117+29.5%Added
Cipher Capital LP514$451.4K0.15%+35+7.3%Added
GPS Wealth Strategies Group, LLC513$450.6K0.08%+70+15.8%Added
Laidlaw Wealth Management LLC509$447.1K0.16%+132+35.0%Added
Adell Harriman & Carpenter Inc507$445.3K0.04%+126+33.1%Added
Rothschild Investment LLC501$440.0K0.04%+501New
NJ State Employees Deferred Compensation Plan500$439.1K0.06%00.0%Unchanged
Sonora Investment Management Group, LLC500$439.1K0.04%00.0%Unchanged
Northern Oak Wealth Management Inc499$438.3K0.05%−1,235−71.2%Reduced
Skopos Labs, Inc.498$437.4K0.21%+498New
Thoroughbred Financial Services, LLC498$437.0K0.04%−6−1.2%Reduced
Venturi Wealth Management, LLC497$436.5K0.03%+70+16.4%Added
Ritholtz Wealth Management497$436.5K0.02%−13−2.5%Reduced
Penserra Capital Management LLC496$434.0K0.01%−138−21.8%Reduced
Capula Management Ltd493$433.0K0.03%−39−7.3%Reduced
Icon Wealth Advisors, LLC493$433.0K0.05%+493New
Horizon Wealth Management, LLC491$431.2K0.12%+5+1.0%Added
IFP Advisors, Inc489$429.7K0.02%+47+10.6%Added
LCM Capital Management Inc486$426.8K0.31%+12+2.5%Added
Chesley Taft & Associates LLC485$426.0K0.02%00.0%Unchanged
Adirondack Trust Co438$423.1K0.18%−22−4.8%Reduced
Concord Wealth Partners481$422.5K0.08%+421+701.7%Added
Clearstead Advisors, LLC479$420.7K0.02%+17+3.7%Added
Huntington National Bank478$419.8K0.00%+18+3.9%Added
Concord Asset Management, LLC476$418.1K0.12%+476New
Resources Investment Advisors, LLC.475$417.1K0.01%+49+11.5%Added
Cim Investment Mangement Inc471$413.7K0.13%−200−29.8%Reduced
Mission Wealth Management, LP471$413.6K0.01%+19+4.2%Added
Patten & Patten Inc466$409.3K0.03%00.0%Unchanged
Argonautica Private Wealth Management, Inc466$409.3K0.17%00.0%Unchanged
Dorsey & Whitney Trust CO LLC463$406.6K0.03%−41−8.1%Reduced
First Western Trust Bank463$406.6K0.02%00.0%Unchanged
Green Alpha Advisors, LLC461$404.9K0.29%−71−13.3%Reduced
Rossmore Private Capital460$404.0K0.06%00.0%Unchanged
Round Rock Advisors, LLC460$404.0K0.10%00.0%Unchanged
Gsa Capital Partners LLP459$403.0K0.03%+459New
Sheets Smith Wealth Management457$401.4K0.06%+7+1.6%Added
Vestmark Advisory Solutions, Inc.1,935$400.7K0.02%+1,935New
Howe & Rusling Inc454$398.7K0.04%+9+2.0%Added
Simon Quick Advisors, LLC449$394.4K0.03%+14+3.2%Added
Capstone Investment Advisors, LLC449$394.4K0.01%+449New
Asset Management Resources, LLC448$393.5K0.22%−109−19.6%Reduced
AIFG Consultants Ltd.442$387.9K0.30%+3+0.7%Added
Focus Financial Network Inc441$387.3K0.01%+441New
Crescent Sterling, Ltd.440$386.4K0.39%00.0%Unchanged
Tilt Investment Management Holdings, PBC437$383.8K0.41%−129−22.8%Reduced
MQS Management LLC436$382.9K0.21%+436New
AlTi Global, Inc.435$382.1K0.01%+435New
First National Bank of Omaha431$378.5K0.02%−95−18.1%Reduced
River Street Advisors LLC430$377.7K0.30%−57−11.7%Reduced
Adviser Investments LLC427$375.0K0.01%+427New
Meixler Investment Management, Ltd.426$374.2K0.31%−27−6.0%Reduced
Stratos Wealth Partners, LTD.423$371.5K0.01%−43−9.2%Reduced
Ameritas Advisory Services, LLC408$371.0K0.02%+126+44.7%Added
Sicart Associates LLC419$368.0K0.14%00.0%Unchanged
Stevens Capital Management LP418$367.0K0.09%+418New
Everhart Financial Group, Inc.411$361.0K0.13%+23+5.9%Added
Scotia Capital Inc.411$360.9K0.00%+117+39.8%Added
Deroy & Devereaux Private Investment Counsel Inc410$360.0K0.02%00.0%Unchanged
Welch Group, LLC410$359.9K0.02%+140+51.9%Added
Guardian Wealth Advisors, LLC405$355.7K0.05%−14−3.3%Reduced
Integrated Wealth Concepts LLC402$353.1K0.01%−55−12.0%Reduced
Security National Bank400$351.3K0.08%00.0%Unchanged
Schwartz Investment Counsel Inc400$351.3K0.01%00.0%Unchanged
Csenge Advisory Group400$351.3K0.02%+107+36.5%Added
Aspiriant, LLC398$349.6K0.02%+56+16.4%Added
Physicians Financial Services, Inc.395$347.0K0.13%00.0%Unchanged
Financial Advocates Investment Management393$345.2K0.02%+80+25.6%Added
Harbour Investments, Inc.391$343.4K0.01%+7+1.8%Added
Alps Advisors Inc390$342.5K0.00%−10−2.5%Reduced
Childress Capital Advisors, LLC390$342.5K0.10%+28+7.7%Added
Empower Advisory Group, LLC389$341.7K0.00%+389New
Gradient Capital Advisors, LLC384$337.3K0.13%00.0%Unchanged
Keudell/Morrison Wealth Management384$337.3K0.11%00.0%Unchanged