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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, Q2 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 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
1,201
−73 vs. Q1 2025
Shares held
89.3M
−3.67M (−4.0%) vs. Q1 2025
Total value
$46.9B
−$12.0B (−20.4%) vs. Q1 2025
New holders
134
443 more added
Sold out
207
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,201 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 heldQ2 2025: $46.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding REGN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Penobscot Investment Management Company, Inc.670$351.8K0.03%00.0%Unchanged
Cyndeo Wealth Partners, LLC676$354.7K0.02%−1−0.1%Reduced
Quantitative Investment Management, LLC678$355.0K0.05%+678New
Integrated Investment Consultants, LLC684$359.1K0.07%−210−23.5%Reduced
Towarzystwo Funduszy Inwestycyjnych Pzu SA684$359.1K0.10%+184+36.8%Added
Intrust Bank NA689$361.7K0.03%−644−48.3%Reduced
Keudell/Morrison Wealth Management695$364.9K0.08%+110+18.8%Added
Forum Financial Management, LP698$366.4K0.01%−132−15.9%Reduced
Horizon Kinetics Asset Management LLC705$370.1K0.00%−30−4.1%Reduced
Moors & Cabot, Inc.718$377.0K0.02%−127−15.0%Reduced
CSS LLC720$378.0K0.02%+40+5.9%Added
International Assets Investment Management, LLC724$380.1K0.03%+167+30.0%Added
Bryn Mawr Trust Co726$381.1K0.01%−505−41.0%Reduced
Net Worth Advisory Group729$382.9K0.08%−979−57.3%Reduced
Checchi Capital Advisers, LLC732$384.3K0.03%+50+7.3%Added
North Star Asset Management Inc737$386.9K0.02%+737New
Sava Infond d.o.o.740$388.5K0.06%−60−7.5%Reduced
Parallel Advisors, LLC742$389.4K0.01%−233−23.9%Reduced
Journey Strategic Wealth LLC743$389.9K0.01%+167+29.0%Added
Wedmont Private Capital707$390.7K0.02%−66−8.5%Reduced
Bank of Hawaii747$392.2K0.02%+747New
Stephens Inc748$392.8K0.01%−145−16.2%Reduced
Mission Wealth Management, LP751$394.2K0.01%−35−4.5%Reduced
Sculati Wealth Management, LLC754$395.9K0.15%−714−48.6%Reduced
Icon Wealth Advisors, LLC755$396.4K0.03%+170+29.1%Added
Connecticut Wealth Management, LLC757$397.4K0.02%−31−3.9%Reduced
Meiji Yasuda Asset Management Co Ltd.759$398.5K0.02%−1,550−67.1%Reduced
Hudson Value Partners, LLC759$398.5K0.14%+759New
Round Rock Advisors, LLC760$399.0K0.07%+396+108.8%Added
DLK Investment Management, LLC765$401.6K0.15%+765New
Change Path, LLC776$407.4K0.01%+256+49.2%Added
Coign Capital Advisors LLC777$407.9K0.28%+28+3.7%Added
Geneos Wealth Management Inc.780$409.5K0.01%+23+3.0%Added
Kingswood Wealth Advisors, LLC783$411.1K0.03%−51−6.1%Reduced
Plimoth Trust Co LLC788$413.7K0.10%−19−2.4%Reduced
Morse Asset Management, Inc795$417.4K0.09%−3,324−80.7%Reduced
Penbrook Management LLC797$418.4K0.31%−100−11.1%Reduced
Institute for Wealth Management, LLC.799$419.5K0.05%−50−5.9%Reduced
Dempze Nancy E800$420.0K0.24%−40−4.8%Reduced
Bordeaux Wealth Advisors LLC802$421.1K0.05%−7−0.9%Reduced
GTS Securities LLC806$423.1K0.02%+87+12.1%Added
Quest Partners LLC810$425.3K0.04%−1,275−61.2%Reduced
Westpac Banking Corp815$427.9K0.03%−16−1.9%Reduced
Synovus Financial Corp822$431.6K0.01%−1,275−60.8%Reduced
Sumitomo Life Insurance Co824$432.6K0.03%−1,496−64.5%Reduced
King Luther Capital Management Corp829$435.2K0.00%+1+0.1%Added
Independent Advisor Alliance834$438.0K0.01%−116−12.2%Reduced
Triumph Capital Management843$442.6K0.13%+251+42.4%Added
Asahi Life Asset Management Co., Ltd.845$443.6K0.26%+160+23.4%Added
Ellevest, Inc.851$446.8K0.07%+464+119.9%Added
Virtus Investment Advisers, Inc.852$447.3K0.15%+366+75.3%Added
Meridian Investment Counsel Inc.854$448.4K0.12%00.0%Unchanged
Savant Capital, LLC859$451.0K0.00%−31−3.5%Reduced
Semanteon Capital Management, LP862$452.6K0.68%−1,123−56.6%Reduced
Livforsakringsbolaget Skandia, Omsesidigt872$457.4K0.02%−10,460−92.3%Reduced
Keynote Financial Services LLC872$457.8K0.31%+245+39.1%Added
NorthRock Partners, LLC874$458.9K0.01%+166+23.4%Added
Golden State Equity Partners875$459.4K0.09%−571−39.5%Reduced
Syon Capital LLC875$459.4K0.03%−570−39.4%Reduced
Plancorp, LLC880$462.0K0.02%−17−1.9%Reduced
Equitable Holdings, Inc.881$462.5K0.00%−44−4.8%Reduced
Traphagen Investment Advisors LLC887$465.6K0.04%+117+15.2%Added
Bangor Savings Bank887$465.7K0.04%00.0%Unchanged
Flagship Harbor Advisors, LLC890$467.0K0.02%+890New
Circle Wealth Management, LLC890$467.3K0.01%00.0%Unchanged
Wedbush Securities Inc894$469.0K0.02%+23+2.6%Added
TFB Advisors LLC899$472.0K0.12%+253+39.2%Added
Kingsview Wealth Management, LLC908$476.7K0.01%00.0%Unchanged
ABN AMRO Bank N.V.914$482.8K0.01%−220,569−99.6%Reduced
Teza Capital Management LLC923$484.6K0.36%+527+133.1%Added
Callahan Advisors, LLC935$490.9K0.04%00.0%Unchanged
Eaton Financial Holdings Company, LLC941$494.2K0.15%+941New
Tower Research Capital LLC (TRC)947$497.2K0.01%−4,150−81.4%Reduced
Alliance Wealth Advisors, LLC947$497.2K0.12%+314+49.6%Added
Mutual Advisors, LLC888$500.1K0.01%+50+6.0%Added
Principal Securities, Inc.958$503.0K0.01%+60+6.7%Added
Ballentine Partners, LLC961$504.5K0.01%−49−4.9%Reduced
Umb Bank N A965$506.6K0.01%−76−7.3%Reduced
Boyd Watterson Asset Management LLC967$507.7K0.16%+77+8.7%Added
Schwartz Investment Counsel Inc975$511.9K0.02%+175+21.9%Added
West Family Investments, Inc.977$512.9K0.13%−160−14.1%Reduced
Williams Jones Wealth Management, LLC.978$513.5K0.01%−95−8.9%Reduced
Frank, Rimerman Advisors LLC981$515.0K0.03%+67+7.3%Added
111 Capital985$517.1K0.09%+985New
Allworth Financial LP994$522.0K0.00%+173+21.1%Added
J.W. Cole Advisors, Inc.997$523.4K0.01%+34+3.5%Added
Legacy Financial Advisors, Inc.999$524.7K0.08%+7+0.7%Added
Alta Wealth Advisors LLC1,000$525.0K0.25%00.0%Unchanged
Pflug Koory, LLC1,006$528.1K0.27%−2−0.2%Reduced
MAI Capital Management1,007$528.9K0.00%+114+12.8%Added
Flputnam Investment Management Co1,019$535.0K0.01%−482−32.1%Reduced
Independent Financial Group, LLC1,026$538.6K0.01%−3−0.3%Reduced
Cigna Investments Inc1,032$542.0K0.09%−20−1.9%Reduced
Arcataur Capital Management LLC1,038$545.0K0.17%+37+3.7%Added
Altfest L J & Co Inc1,042$547.0K0.06%+1,042New
Portfolio Design Labs, LLC1,043$547.6K0.11%+319+44.1%Added
Monetary Management Group Inc1,047$549.7K0.14%−60−5.4%Reduced
Northeast Financial Consultants Inc1,073$563.3K0.02%−501−31.8%Reduced
Formidable Asset Management, LLC1,077$565.4K0.09%+161+17.6%Added
Copperwynd Financial, LLC1,084$568.9K0.14%+81+8.1%Added