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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, Q1 2024

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2024. 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
1,313
+55 vs. Q4 2023
Shares held
93.3M
+3.06M (+3.4%) vs. Q4 2023
Total value
$89.3B
+$10.1B (+12.7%) vs. Q4 2023
New holders
151
484 more added
Sold out
96
449 more reduced

16 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 1,313 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 heldQ1 2024: $89.3B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2023.

Institutions holding REGN in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Polar Asset Management Partners Inc.5,020$4.83M0.13%−4,480−47.2%Reduced
US Bancorp5,010$4.82M0.01%+69+1.4%Added
Colony Group, LLC4,993$4.81M0.04%+2,319+86.7%Added
Toroso Investments, LLC4,955$4.77M0.08%+711+16.8%Added
Lifeworks Advisors, LLC4,904$4.72M1.32%+590+13.7%Added
Gilman Hill Asset Management, LLC4,892$4.71M0.84%−15−0.3%Reduced
TD Waterhouse Canada Inc.4,809$4.69M0.04%+881+22.4%Added
TownSquare Capital, LLC4,792$4.61M0.07%+259+5.7%Added
Two Sigma Investments, LP4,781$4.60M0.01%−60,437−92.7%Reduced
BI Asset Management Fondsmaeglerselskab A/S4,779$4.60M0.09%+285+6.3%Added
Cavalier Investments, LLC4,757$4.58M1.67%+225+5.0%Added
Private Advisor Group, LLC4,704$4.53M0.03%−180−3.7%Reduced
Walleye Trading LLC4,703$4.53M0.07%+3,085+190.7%Added
Hamilton Capital Partners Inc.4,669$4.49M0.54%+4,669New
Winton Group Ltd4,664$4.49M0.32%−216−4.4%Reduced
Banque Cantonale Vaudoise4,663$4.49M0.18%+1,167+33.4%Added
Brown Advisory Inc4,649$4.47M0.01%+639+15.9%Added
Hudson Capital Management LLC4,641$4.47M1.54%−142−3.0%Reduced
LMCG Investments, LLC4,617$4.44M0.26%−15−0.3%Reduced
Advisory Services Network, LLC4,588$4.42M0.10%−106−2.3%Reduced
Morse Asset Management, Inc4,584$4.41M1.13%+47+1.0%Added
Moody Lynn & Lieberson, LLC4,575$4.40M0.30%+55+1.2%Added
Norinchukin Bank, The4,571$4.40M0.13%−136−2.9%Reduced
Augustine Asset Management Inc4,535$4.36M1.82%−11−0.2%Reduced
E. Ohman J:or Asset Management AB4,510$4.34M0.11%+310+7.4%Added
Jump Financial, LLC4,486$4.32M0.12%−3,746−45.5%Reduced
Walleye Capital LLC4,475$4.31M0.05%+2,425+118.3%Added
Kayne Anderson Rudnick Investment Management LLC4,394$4.23M0.01%+280+6.8%Added
Chartwell Investment Partners, LLC4,274$4.11M0.14%−119−2.7%Reduced
Ameritas Investment Partners, Inc.4,272$4.11M0.14%−25−0.6%Reduced
Meyer Handelman Co4,265$4.11M0.14%00.0%Unchanged
Metropolitan Life Insurance Co4,261$4.10M0.18%−100−2.3%Reduced
Woodstock Corp4,222$4.06M0.42%+170+4.2%Added
Strategic Blueprint, LLC4,176$4.02M0.29%−856−17.0%Reduced
Prudential PLC4,121$3.97M0.03%−633−13.3%Reduced
GWM Advisors LLC4,108$3.95M0.03%−617−13.1%Reduced
Massmutual Trust Co FSB4,065$3.91M0.12%+52+1.3%Added
Vinva Investment Management Ltd4,057$3.90M0.22%+359+9.7%Added
Quantinno Capital Management LP4,038$3.89M0.08%+985+32.3%Added
Signet Financial Management, LLC4,020$3.87M0.53%+78+2.0%Added
MAI Capital Management3,995$3.85M0.04%+2,845+247.4%Added
Alaska Permanent Fund Corp3,904$3.76M0.06%+58+1.5%Added
Richard Bernstein Advisors LLC3,901$3.75M0.08%00.0%Unchanged
Morgens Waterfall Vintiadis & Co Inc3,900$3.75M2.62%−200−4.9%Reduced
Rakuten Investment Management, Inc.3,889$3.74M0.03%+3,624+1,367.5%Added
Smithbridge Asset Management Inc3,875$3.73M0.77%−197−4.8%Reduced
Fulton Bank, N.A.3,864$3.72M0.15%+111+3.0%Added
B. Metzler seel. Sohn & Co. AG3,829$3.69M0.04%+219+6.1%Added
Pine Valley Investments Ltd Liability Co3,829$3.69M0.29%+380+11.0%Added
Wunderlich Capital Managemnt3,811$3.67M1.65%−272−6.7%Reduced
SpiderRock Advisors, LLC3,804$3.65M0.12%+3,804New
Twin Capital Management Inc3,787$3.64M0.45%−214−5.3%Reduced
Everence Capital Management Inc3,741$3.60M0.24%00.0%Unchanged
Ci Investments Inc.3,735$3.60M0.01%+1,334+55.6%Added
Vontobel Holding Ltd.3,720$3.58M0.03%−1,095−22.7%Reduced
Harbor Investment Advisory, LLC3,708$3.57M0.37%+35+1.0%Added
Alpine Woods Capital Investors, LLC3,977$3.54M0.70%−3,501−46.8%Reduced
Evergreen Capital Management LLC3,640$3.50M0.13%−1,291−26.2%Reduced
Harvest Fund Management Co., Ltd3,641$3.50M0.31%+2,449+205.5%Added
Cornerstone Wealth Group, LLC3,614$3.48M0.32%−1,457−28.7%Reduced
Tobam3,575$3.44M0.31%−989−21.7%Reduced
GTS Securities LLC3,555$3.42M0.09%−183−4.9%Reduced
Prentiss Smith & Co Inc3,545$3.41M2.40%−111−3.0%Reduced
Meiji Yasuda Life Insurance Co3,501$3.37M0.07%+525+17.6%Added
Kentucky Retirement Systems Insurance Trust Fund3,486$3.36M0.23%−331−8.7%Reduced
Procyon Private Wealth Partners, LLC3,473$3.34M0.26%+268+8.4%Added
Ostrum Asset Management3,459$3.33M0.26%−143−4.0%Reduced
Cozad Asset Management Inc3,421$3.29M0.34%−220−6.0%Reduced
XTX Topco Ltd3,421$3.29M0.44%+1,671+95.5%Added
Anderson Hoagland & Co3,489$3.27M0.37%−1,566−31.0%Reduced
Cary Street Partner Investment Advisory LLC3,390$3.26M0.14%+302+9.8%Added
Veriti Management LLC3,381$3.25M0.24%+97+3.0%Added
Gotham Asset Management, LLC3,355$3.23M0.05%+206+6.5%Added
Sterling Investment Advisors, Ltd.3,352$3.23M0.91%−115−3.3%Reduced
Northwestern Mutual Investment Management Company, LLC3,352$3.23M0.08%−39−1.2%Reduced
Joel Isaacson & Co., LLC3,299$3.18M0.17%+2+0.1%Added
Trifecta Capital Advisors, LLC3,298$3.17M0.77%+765+30.2%Added
Northwestern Mutual Wealth Management Co3,285$3.16M0.00%−470−12.5%Reduced
Stiles Financial Services Inc3,279$3.16M1.26%+246+8.1%Added
Balentine LLC3,278$3.16M0.09%−121−3.6%Reduced
Ameliora Wealth Management Ltd.3,258$3.14M1.42%−6−0.2%Reduced
BKD Wealth Advisors, LLC3,245$3.12M0.08%−43−1.3%Reduced
Exchange Traded Concepts, LLC3,149$3.03M0.08%−1,805−36.4%Reduced
GAM Holding AG3,118$3.00M0.22%00.0%Unchanged
First Foundation Advisors3,109$2.99M0.12%+50+1.6%Added
Brevan Howard Capital Management LP3,106$2.99M0.27%+1,943+167.1%Added
Simplify Asset Management Inc.3,050$2.94M0.28%−958−23.9%Reduced
Glenview Trust Co3,049$2.93M0.06%00.0%Unchanged
Old Second National Bank of Aurora2,998$2.89M0.75%−53−1.7%Reduced
United Capital Financial Advisers, LLC2,995$2.88M0.02%−336−10.1%Reduced
Steward Partners Investment Advisory, LLC2,887$2.78M0.03%+74+2.6%Added
Susquehanna Portfolio Strategies, LLC2,832$2.73M0.06%00.0%Unchanged
1832 Asset Management L.P.2,806$2.70M0.00%+552+24.5%Added
Linden Thomas Advisory Services, LLC2,780$2.68M0.43%+173+6.6%Added
IMA Wealth, Inc.2,777$2.67M1.26%−190−6.4%Reduced
WP Advisors, LLC2,776$2.67M0.88%−40−1.4%Reduced
Brinker Capital Investments, LLC2,735$2.63M0.03%−36−1.3%Reduced
Orion Portfolio Solutions, LLC2,735$2.63M0.03%−36−1.3%Reduced
Mesirow Financial Investment Management, Inc.2,697$2.60M0.06%+133+5.2%Added
McAdam, LLC2,689$2.59M0.17%+4+0.1%Added