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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 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 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
1,401
+38 vs. Q4 2025
Shares held
90.5M
+9.56M (+11.8%) vs. Q4 2025
Total value
$69.8B
+$7.27B (+11.6%) vs. Q4 2025
New holders
138
578 more added
Sold out
100
461 more reduced

24 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 2026: 1,401 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 2026: $69.8B
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 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2025.

Institutions holding REGN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Valeo Financial Advisors, LLC1,296$1.00M0.02%−317−19.7%Reduced
Sheets Smith Wealth Management1,299$1.00M0.11%+2+0.2%Added
Tiaa-Cref Individual & Institutional Services, LLC1,310$1.01M0.00%+1,310New
DoubleLine ETF Adviser LP1,316$1.02M0.39%+1,316New
Employees Retirement System of Texas1,324$1.02M0.01%00.0%Unchanged
Howard Capital Management Inc.1,340$1.04M0.02%−1,768−56.9%Reduced
Bokf, NA1,351$1.04M0.02%−25−1.8%Reduced
Blair William & Co1,364$1.05M0.00%+66+5.1%Added
Baker Tilly Wealth Management, LLC1,364$1.05M0.26%+57+4.4%Added
Meeder Advisory Services, Inc.1,371$1.06M0.04%+121+9.7%Added
RFG Advisory, LLC1,376$1.06M0.02%+1,376New
Polymer Capital Management (US) LLC1,382$1.07M0.16%+447+47.8%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,399$1.08M0.03%−110−7.3%Reduced
Generali Investments Towarzystwo Funduszy Inwestycyjnych1,400$1.08M0.56%00.0%Unchanged
Vise Technologies, Inc.1,402$1.08M0.02%00.0%Unchanged
Ritholtz Wealth Management1,408$1.09M0.02%+172+13.9%Added
Nilsine Partners, LLC1,471$1.10M0.09%−113−7.1%Reduced
Analyst IMS Investment Management Services Ltd.1,425$1.10M0.03%00.0%Unchanged
U.S. Capital Wealth Advisors, LLC1,432$1.11M0.03%+948+195.9%Added
Oasis Advisors, LLC1,440$1.11M0.22%+1,440New
EP Wealth Advisors, LLC1,444$1.12M0.01%−192−11.7%Reduced
Delta Financial Advisors LLC1,444$1.12M0.29%−9−0.6%Reduced
Copeland Capital Management, LLC1,449$1.12M0.02%+13+0.9%Added
PeakShares LLC1,450$1.12M1.03%+22+1.5%Added
USA Financial Portformulas Corp1,457$1.13M0.21%+1,457New
Sienna Gestion1,499$1.13M0.07%00.0%Unchanged
IFP Advisors, Inc1,468$1.13M0.02%−26−1.7%Reduced
Atlantic Edge Private Wealth Management, LLC1,474$1.14M0.28%+10+0.7%Added
Verition Fund Management LLC1,478$1.14M0.01%−8,013−84.4%Reduced
Greenleaf Trust1,485$1.15M0.01%+13+0.9%Added
Rothschild Investment LLC1,486$1.15M0.06%+511+52.4%Added
WP Advisors, LLC1,487$1.15M0.30%−79−5.0%Reduced
Spartan Wealth Advisory Services LLC1,494$1.15M0.10%+1,494New
Moss Adams Wealth Advisors LLC1,497$1.16M0.08%+38+2.6%Added
Cumberland Partners Ltd1,500$1.16M0.09%+1,500New
Empirical Finance, LLC1,501$1.16M0.05%−15−1.0%Reduced
Acorn Financial Advisory Services Inc1,503$1.16M0.16%00.0%Unchanged
Balyasny Asset Management LLC1,505$1.16M0.00%−67,080−97.8%Reduced
Coastal Bridge Advisors, LLC1,521$1.18M0.08%+1,521New
Fairfield, Bush & Co.1,532$1.18M0.66%−146−8.7%Reduced
Legacy Financial Advisors, Inc.1,552$1.20M0.17%+167+12.1%Added
Journey Strategic Wealth LLC1,572$1.21M0.03%+265+20.3%Added
Norden Group LLC1,622$1.25M0.12%+163+11.2%Added
Jacobi Capital Management LLC1,634$1.26M0.07%+23+1.4%Added
Blue Jean Financial LLC1,663$1.28M1.06%+1,663New
TCW Group Inc1,665$1.29M0.01%−374−18.3%Reduced
Caerus Investment Advisors, LLC1,666$1.29M0.54%+27+1.6%Added
Sava Infond d.o.o.1,670$1.29M0.18%+520+45.2%Added
CWA Asset Management Group, LLC1,671$1.29M0.04%−128−7.1%Reduced
Park Avenue Securities LLC1,675$1.29M0.01%+59+3.7%Added
Gilbert & Cook, Inc.1,695$1.31M0.17%−14−0.8%Reduced
Personal Cfo Solutions, LLC1,695$1.31M0.18%−157−8.5%Reduced
Easterly Investment Partners LLC1,753$1.32M0.10%−16−0.9%Reduced
Mesirow Financial Investment Management, Inc.1,702$1.32M0.02%+379+28.6%Added
SummitTX Capital, L.P.1,713$1.32M0.04%+1,713New
ICICI Prudential Asset Management Co Ltd1,721$1.33M0.16%+64+3.9%Added
Waddell & Associates, LLC1,729$1.34M0.08%+544+45.9%Added
Bessemer Group Inc1,728$1.34M0.00%−2,653−60.6%Reduced
Oak Grove Capital LLC1,730$1.34M0.23%00.0%Unchanged
Capstone Wealth Management Group, LLC1,736$1.34M0.56%+2+0.1%Added
Marex Group plc1,739$1.34M0.01%−29,450−94.4%Reduced
Brinker Capital Investments, LLC1,761$1.36M0.01%−52−2.9%Reduced
Brown Brothers Harriman & Co1,802$1.39M0.01%+737+69.2%Added
Atomi Financial Group, Inc.1,811$1.40M0.04%+135+8.1%Added
RMB Capital Management, LLC1,820$1.41M0.03%−20−1.1%Reduced
Empire Financial Management Company, LLC1,826$1.41M0.32%+1,826New
Equitable Holdings, Inc.1,829$1.41M0.01%+624+51.8%Added
AlTi Global, Inc.1,857$1.43M0.03%+1,407+312.7%Added
Vestmark Advisory Solutions, Inc.1,867$1.44M0.02%+567+43.6%Added
Coldstream Capital Management Inc1,874$1.45M0.02%+27+1.5%Added
EverSource Wealth Advisors, LLC1,880$1.45M0.04%+517+37.9%Added
Farther Finance Advisors, LLC1,870$1.45M0.01%−122−6.1%Reduced
Skopos Labs, Inc.1,889$1.46M0.05%+663+54.1%Added
Nwam LLC1,917$1.48M0.09%+195+11.3%Added
Argent Trust Co1,922$1.49M0.05%+20+1.1%Added
Texas Yale Capital Corp.1,924$1.49M0.04%00.0%Unchanged
Altfest L J & Co Inc1,930$1.49M0.16%−982−33.7%Reduced
Chicago Partners Investment Group LLC2,001$1.49M0.03%+656+48.8%Added
Evolve Private Wealth, LLC1,939$1.50M0.08%−89−4.4%Reduced
EFG International AG1,940$1.50M0.03%+55+2.9%Added
Savant Capital, LLC1,941$1.50M0.01%−113−5.5%Reduced
Odyssean, LLC1,957$1.51M0.55%+989+102.2%Added
Concurrent Investment Advisors, LLC1,968$1.52M0.02%−592−23.1%Reduced
Banque Cantonale Vaudoise1,970$1.52M0.06%+808+69.5%Added
Portside Wealth Group, LLC1,978$1.53M0.21%+192+10.8%Added
Signaturefd, LLC1,995$1.54M0.02%+187+10.3%Added
1832 Asset Management L.P.2,000$1.55M0.00%−214,864−99.1%Reduced
Sigma Planning Corp2,012$1.55M0.04%+1,238+159.9%Added
Grove Bank & Trust2,015$1.56M0.18%+362+21.9%Added
Vestcor Inc2,026$1.56M0.04%−7−0.3%Reduced
Generali Investments, Management Co LLC2,042$1.58M0.37%+176+9.4%Added
Benjamin Edwards Inc2,053$1.59M0.02%−2,251−52.3%Reduced
Vega Investment Solutions2,057$1.59M0.38%−10,631−83.8%Reduced
Prentiss Smith & Co Inc2,060$1.59M0.92%−3−0.1%Reduced
Monetta Financial Services Inc2,060$1.59M1.23%00.0%Unchanged
Harrell Investment Partners, LLC2,062$1.59M0.38%−16−0.8%Reduced
Keybank National Association2,063$1.59M0.01%+388+23.2%Added
Bull Harbor Capital LLC2,066$1.60M0.43%+2,066New
Umpqua Bank2,066$1.60M0.46%+108+5.5%Added
Kornitzer Capital Management Inc2,074$1.60M0.03%+183+9.7%Added