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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, Q3 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2025. 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
1,243
+62 vs. Q2 2025
Shares held
87.1M
−936.8K (−1.1%) vs. Q2 2025
Total value
$49.0B
+$2.72B (+5.9%) vs. Q2 2025
New holders
173
487 more added
Sold out
111
418 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,243 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 heldQ3 2025: $49.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding REGN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vestcor Inc2,033$1.14M0.03%−238−10.5%Reduced
Coldstream Capital Management Inc2,027$1.14M0.02%+933+85.3%Added
WP Advisors, LLC2,000$1.12M0.29%−96−4.6%Reduced
Arkadios Wealth Advisors2,000$1.12M0.03%−40−2.0%Reduced
Perbak Capital Partners LLP1,979$1.11M0.20%+812+69.6%Added
Harel Insurance Investments & Financial Services Ltd.1,972$1.11M0.01%+834+73.3%Added
Abc Arbitrage SA1,970$1.11M0.11%+1,970New
John G Ullman & Associates Inc1,955$1.10M0.15%+550+39.1%Added
Mesirow Financial Investment Management, Inc.1,951$1.10M0.02%−352−15.3%Reduced
MUFG Securities EMEA plc1,950$1.10M0.03%+1,643+535.2%Added
Brookwood Investment Group LLC1,945$1.09M0.14%+1,945New
NorthRock Partners, LLC1,943$1.09M0.02%+1,069+122.3%Added
Savvy Advisors, Inc.1,942$1.09M0.05%+357+22.5%Added
Cinctive Capital Management LP1,937$1.09M0.05%−1,172−37.7%Reduced
Empirical Finance, LLC1,926$1.08M0.05%−1−0.1%Reduced
Texas Yale Capital Corp.1,924$1.08M0.03%00.0%Unchanged
Brinker Capital Investments, LLC1,903$1.07M0.01%+399+26.5%Added
Fairfield, Bush & Co.1,871$1.05M0.54%−316−14.4%Reduced
Warren Averett Asset Management, LLC1,869$1.05M0.01%+521+38.6%Added
Valeo Financial Advisors, LLC1,866$1.05M0.02%+69+3.8%Added
Gabelli Funds LLC1,866$1.05M0.01%+3+0.2%Added
Merit Financial Group, LLC1,859$1.05M0.01%+1,397+302.4%Added
Quest Partners LLC1,850$1.04M0.07%+1,040+128.4%Added
Lifeworks Advisors, LLC1,838$1.03M0.14%−59−3.1%Reduced
Amica Mutual Insurance Co1,830$1.03M0.09%00.0%Unchanged
Great Lakes Advisors, LLC1,825$1.03M0.01%+1,825New
Concurrent Investment Advisors, LLC1,807$1.02M0.02%+185+11.4%Added
American Assets Inc1,800$1.01M0.32%00.0%Unchanged
Tiaa Trust, National Association1,798$1.01M0.00%−5−0.3%Reduced
Moody National Bank Trust Division1,786$1.00M0.08%+288+19.2%Added
HB Wealth Management, LLC1,781$1.00M0.01%−268−13.1%Reduced
Oak Grove Capital LLC1,780$1.00M0.22%−800−31.0%Reduced
Easterly Investment Partners LLC1,738$977.2K0.07%+1,738New
Gilbert & Cook, Inc.1,734$975.0K0.13%−3−0.2%Reduced
Capstone Wealth Management Group, LLC1,732$973.9K0.41%−13−0.7%Reduced
GAMMA Investing LLC1,726$970.5K0.05%+451+35.4%Added
JT Stratford LLC1,710$961.5K0.13%−1,113−39.4%Reduced
Catalyst Funds Management Pty Ltd1,700$955.9K0.15%+1,700New
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors1,697$953.9K0.11%+114+7.2%Added
Personal Cfo Solutions, LLC1,691$950.9K0.17%−65−3.7%Reduced
Signaturefd, LLC1,660$933.3K0.01%−98−5.6%Reduced
Westwood Holdings Group Inc.1,658$932.0K0.01%−11,898−87.8%Reduced
Altfest L J & Co Inc1,637$920.6K0.10%+595+57.1%Added
Nwam LLC1,593$918.1K0.05%+38+2.4%Added
CWA Asset Management Group, LLC1,615$908.1K0.03%+185+12.9%Added
111 Capital1,609$904.7K0.17%+624+63.4%Added
Jacobi Capital Management LLC1,602$900.9K0.05%+168+11.7%Added
ICICI Prudential Asset Management Co Ltd1,599$899.1K0.09%+269+20.2%Added
Nilsine Partners, LLC1,592$895.1K0.08%+7+0.4%Added
Harbor Capital Advisors, Inc.1,583$890.0K0.07%+46+3.0%Added
Keybank National Association1,581$889.0K0.00%+148+10.3%Added
Park Avenue Securities LLC1,567$881.0K0.01%+98+6.7%Added
Fifth Third Wealth Advisors LLC1,561$877.7K0.03%+50+3.3%Added
Bokf, NA1,548$870.4K0.01%−637−29.2%Reduced
Portside Wealth Group, LLC1,547$869.8K0.12%+225+17.0%Added
Pinnacle Wealth Management Advisory Group, LLC1,527$858.6K0.06%+233+18.0%Added
Aptus Capital Advisors, LLC1,502$844.5K0.01%−11−0.7%Reduced
Acorn Financial Advisory Services Inc1,502$844.5K0.13%00.0%Unchanged
Banque Cantonale Vaudoise1,500$844.0K0.03%+345+29.9%Added
Allworth Financial LP1,496$840.9K0.00%+502+50.5%Added
Savant Capital, LLC1,488$836.7K0.01%+629+73.2%Added
Farther Finance Advisors, LLC1,479$831.7K0.01%+848+134.4%Added
Delta Financial Advisors LLC1,478$830.8K0.23%+41+2.9%Added
Moss Adams Wealth Advisors LLC1,470$826.5K0.06%+82+5.9%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,463$822.6K0.03%+2+0.1%Added
Boston Trust Walden Corp1,453$817.0K0.01%00.0%Unchanged
Central Pacific Bank - Trust Division1,432$805.2K0.10%+275+23.8%Added
Integrated Wealth Concepts LLC1,431$804.9K0.01%+1,431New
Analyst IMS Investment Management Services Ltd.1,425$801.0K0.02%00.0%Unchanged
Stevens Capital Management LP1,409$792.0K0.11%+1,409New
Dakota Wealth Management1,408$791.7K0.02%+28+2.0%Added
Greenleaf Trust1,405$790.0K0.01%−43−3.0%Reduced
IFP Advisors, Inc1,403$788.9K0.02%+173+14.1%Added
Generali Investments Towarzystwo Funduszy Inwestycyjnych1,400$787.2K0.42%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich1,385$778.0K0.00%+85+6.5%Added
Canada Post Corp Registered Pension Plan1,375$771.0K0.03%+160+13.2%Added
Atlantic Edge Private Wealth Management, LLC1,369$769.8K0.20%−30−2.1%Reduced
HighPoint Advisor Group LLC1,359$764.4K0.04%−222−14.0%Reduced
Everence Capital Management Inc1,355$762.0K0.05%−1,675−55.3%Reduced
TownSquare Capital, LLC1,345$756.0K0.11%−966−41.8%Reduced
Caerus Investment Advisors, LLC1,329$747.3K0.31%+1,329New
Employees Retirement System of Texas1,324$744.0K0.01%+1,324New
Richard Bernstein Advisors LLC1,321$742.8K0.02%−2,449−65.0%Reduced
Sheets Smith Wealth Management1,317$740.5K0.08%+36+2.8%Added
Kovitz Investment Group Partners, LLC1,316$740.0K0.00%+26+2.0%Added
Magnetar Financial LLC1,307$734.9K0.00%+837+178.1%Added
Skba Capital Management LLC1,298$729.8K0.10%+100+8.3%Added
Baker Tilly Wealth Management, LLC1,284$722.0K0.16%+4+0.3%Added
Humankind Investments LLC1,275$716.9K0.16%+84+7.1%Added
Blair William & Co1,269$713.8K0.00%+12+1.0%Added
Mediolanum International Funds Ltd1,255$703.7K0.01%−2,336−65.1%Reduced
Fidelis Capital Partners, LLC1,239$696.7K0.05%+1,239New
Fullerton Fund Management Co Ltd.1,235$694.4K0.03%+1,235New
Hancock Whitney Corp1,230$691.6K0.01%−20−1.6%Reduced
Meeder Advisory Services, Inc.1,229$691.0K0.03%+42+3.5%Added
Twin Capital Management Inc1,226$689.3K0.09%+1,226New
Axq Capital, LP1,223$687.7K0.26%−318−20.6%Reduced
Legacy Financial Advisors, Inc.1,221$686.8K0.09%+222+22.2%Added
Alliance Wealth Advisors, LLC1,221$686.5K0.16%+274+28.9%Added
Circle Wealth Management, LLC1,221$686.5K0.01%+331+37.2%Added