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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
Seven Eight Capital, LP4,557$4.00M0.46%+3,582+367.4%Added
Augustine Asset Management Inc4,546$3.99M1.77%+214+4.9%Added
Morse Asset Management, Inc4,537$3.98M1.17%+430+10.5%Added
TownSquare Capital, LLC4,533$3.98M0.07%−2,169−32.4%Reduced
Cavalier Investments, LLC4,532$3.98M1.47%+96+2.2%Added
Moody Lynn & Lieberson, LLC4,520$3.97M0.30%+4,253+1,592.9%Added
BI Asset Management Fondsmaeglerselskab A/S4,494$3.95M0.08%−4,978−52.6%Reduced
Ieq Capital, LLC4,439$3.90M0.06%+990+28.7%Added
Chartwell Investment Partners, LLC4,393$3.86M0.14%+1,311+42.5%Added
Metropolitan Life Insurance Co4,361$3.83M0.18%−56−1.3%Reduced
Lifeworks Advisors, LLC4,314$3.79M1.31%−202−4.5%Reduced
Ameritas Investment Partners, Inc.4,297$3.77M0.14%+111+2.7%Added
Meyer Handelman Co4,265$3.75M0.15%+30+0.7%Added
Toroso Investments, LLC4,244$3.73M0.09%+122+3.0%Added
TD Waterhouse Canada Inc.3,928$3.70M0.03%−670−14.6%Reduced
Hussman Strategic Advisors, Inc.4,200$3.69M0.84%00.0%Unchanged
E. Ohman J:or Asset Management AB4,200$3.69M0.14%+4,200New
Kayne Anderson Rudnick Investment Management LLC4,114$3.61M0.01%−156−3.7%Reduced
Morgens Waterfall Vintiadis & Co Inc4,100$3.60M2.79%+2,600+173.3%Added
Wunderlich Capital Managemnt4,083$3.59M1.61%−137−3.2%Reduced
Smithbridge Asset Management Inc4,072$3.58M0.81%−12−0.3%Reduced
Woodstock Corp4,052$3.56M0.41%+137+3.5%Added
Apexium Financial, LP4,031$3.54M0.25%+4,031New
Massmutual Trust Co FSB4,013$3.52M0.12%00.0%Unchanged
Brown Advisory Inc4,010$3.52M0.00%−69−1.7%Reduced
Simplify Asset Management Inc.4,008$3.52M0.55%−294−6.8%Reduced
XR Securities LLC4,007$3.52M1.11%+3,584+847.3%Added
Twin Capital Management Inc4,001$3.51M0.46%−94−2.3%Reduced
HealthInvest Partners AB3,979$3.49M2.74%+3,979New
Signet Financial Management, LLC3,942$3.46M0.52%−10.0%Reduced
AE Wealth Management LLC3,668$3.45M0.02%+2,450+201.1%Added
Richard Bernstein Advisors LLC3,901$3.43M0.08%+421+12.1%Added
Meiji Yasuda Asset Management Co Ltd.3,897$3.42M0.15%−56−1.4%Reduced
Alaska Permanent Fund Corp3,846$3.38M0.06%+1,641+74.4%Added
Sectoral Asset Management Inc3,835$3.37M1.45%+115+3.1%Added
Kentucky Retirement Systems Insurance Trust Fund3,817$3.35M0.24%+28+0.7%Added
Cetera Investment Advisers3,798$3.34M0.03%+118+3.2%Added
Northwestern Mutual Wealth Management Co3,755$3.30M0.00%+86+2.3%Added
Fulton Bank, N.A.3,753$3.30M0.15%−205−5.2%Reduced
Everence Capital Management Inc3,741$3.29M0.23%+70+1.9%Added
GTS Securities LLC3,738$3.28M0.07%+3,143+528.2%Added
Vinva Investment Management Ltd3,698$3.26M0.23%+530+16.7%Added
Harbor Investment Advisory, LLC3,673$3.23M0.37%+50+1.4%Added
Prentiss Smith & Co Inc3,656$3.21M2.39%−1,779−32.7%Reduced
Cozad Asset Management Inc3,641$3.20M0.37%−170−4.5%Reduced
B. Metzler seel. Sohn & Co. AG3,610$3.17M0.04%−2,368−39.6%Reduced
Ostrum Asset Management3,602$3.16M0.27%+842+30.5%Added
Aware Super Pty Ltd as trustee of Aware Super3,995$3.08M0.04%+3,995New
Banque Cantonale Vaudoise3,496$3.07M0.13%−402−10.3%Reduced
Sterling Investment Advisors, Ltd.3,467$3.05M0.95%−70−2.0%Reduced
Pine Valley Investments Ltd Liability Co3,449$3.03M0.25%+536+18.4%Added
Point72 Middle East FZE3,440$3.02M0.21%+2,612+315.5%Added
Balentine LLC3,399$2.99M0.10%+97+2.9%Added
Northwestern Mutual Investment Management Company, LLC3,391$2.98M0.08%+22+0.7%Added
United Capital Financial Advisers, LLC3,331$2.93M0.02%−1,106−24.9%Reduced
Joel Isaacson & Co., LLC3,297$2.90M0.18%+31+0.9%Added
BKD Wealth Advisors, LLC3,288$2.89M0.08%−161−4.7%Reduced
Veriti Management LLC3,284$2.88M0.26%+61+1.9%Added
Ameliora Wealth Management Ltd.3,264$2.87M1.42%+111+3.5%Added
Federated Hermes, Inc.3,214$2.82M0.01%+418+14.9%Added
Procyon Private Wealth Partners, LLC3,205$2.81M0.24%+174+5.7%Added
Y-Intercept (Hong Kong) Ltd3,185$2.80M0.26%+3,185New
First Hawaiian Bank3,159$2.77M0.09%−709−18.3%Reduced
Gotham Asset Management, LLC3,149$2.77M0.05%−98−3.0%Reduced
GAM Holding AG3,118$2.74M0.20%−5−0.2%Reduced
Cary Street Partner Investment Advisory LLC3,088$2.71M0.13%+427+16.0%Added
Amica Mutual Insurance Co3,068$2.69M0.29%00.0%Unchanged
First Foundation Advisors3,059$2.69M0.12%−169−5.2%Reduced
Quantinno Capital Management LP3,053$2.68M0.09%−213−6.5%Reduced
Old Second National Bank of Aurora3,051$2.68M0.74%−14−0.5%Reduced
Glenview Trust Co3,049$2.68M0.07%−38−1.2%Reduced
Stiles Financial Services Inc3,033$2.66M1.21%+334+12.4%Added
Fayez Sarofim & Co2,749$2.62M0.01%+74+2.8%Added
Meiji Yasuda Life Insurance Co2,976$2.61M0.06%+628+26.7%Added
Ontario Teachers Pension Plan Board2,971$2.61M0.03%−995−25.1%Reduced
IMA Wealth, Inc.2,967$2.61M1.30%−320−9.7%Reduced
Brinker Capital Investments, LLC2,771$2.50M0.03%−12,934−82.4%Reduced
Orion Portfolio Solutions, LLC2,771$2.50M0.03%−12,934−82.4%Reduced
Susquehanna Portfolio Strategies, LLC2,832$2.49M0.04%+2,832New
WP Advisors, LLC2,816$2.47M0.92%−25−0.9%Reduced
Steward Partners Investment Advisory, LLC2,813$2.47M0.03%−79−2.7%Reduced
BOCHK Asset Management Ltd2,800$2.46M1.51%+2,800New
FJ Investments, LLC2,762$2.43M0.12%+2,762New
GYL Financial Synergies, LLC2,752$2.42M0.20%+58+2.2%Added
Sepio Capital, LP2,702$2.37M0.20%−563−17.2%Reduced
Kendall Capital Management2,697$2.37M0.92%−75−2.7%Reduced
McAdam, LLC2,685$2.36M0.17%−8−0.3%Reduced
Crossmark Global Holdings, Inc.2,680$2.35M0.05%−33−1.2%Reduced
Colony Group, LLC2,674$2.35M0.03%+2,674New
Decatur Capital Management, Inc.2,630$2.31M1.38%+191+7.8%Added
Hudson Canyon Capital Management2,626$2.31M1.68%−57−2.1%Reduced
Linden Thomas Advisory Services, LLC2,607$2.29M0.43%+136+5.5%Added
Almanack Investment Partners, LLC.2,600$2.28M0.42%−3,800−59.4%Reduced
Wetherby Asset Management Inc2,598$2.28M0.12%−11−0.4%Reduced
Mesirow Financial Investment Management, Inc.2,564$2.25M0.08%+2,564New
Warther Private Wealth, LLC2,549$2.24M1.25%−837−24.7%Reduced
Trifecta Capital Advisors, LLC2,533$2.22M0.62%+2,465+3,625.0%Added
Asio Capital, LLC2,502$2.20M0.51%+34+1.4%Added
Mezzasalma Advisors, LLC2,500$2.20M1.20%−10−0.4%Reduced
Investment Management Corp of Ontario2,487$2.18M0.05%+2,487New