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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 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
1,342
−44 vs. Q1 2026
Shares held
91.4M
+1.18M (+1.3%) vs. Q1 2026
Total value
$57.1B
−$12.5B (−17.9%) vs. Q1 2026
New holders
125
485 more added
Sold out
169
543 more reduced

15 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,342 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 2026: $57.1B
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 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding REGN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Frank, Rimerman Advisors LLC570$355.4K0.02%−432−43.1%Reduced
Sentinus, LLC569$354.8K0.03%−592−51.0%Reduced
YHB Investment Advisors, Inc.568$354.2K0.02%00.0%Unchanged
Ellevest, Inc.562$353.0K0.04%−69−10.9%Reduced
Providence First Trust Co565$352.3K0.10%+565New
Union Bancaire Privee, UBP SA571$351.0K0.01%−3,803−86.9%Reduced
Chicago Trust Co NA562$350.4K0.05%+259+85.5%Added
Pure Financial Advisors, Inc.561$349.9K0.00%+38+7.3%Added
Ramiah Investment Group558$347.9K0.27%+558New
IHT Wealth Management, LLC557$347.3K0.01%−30−5.1%Reduced
Abner Herrman & Brock LLC557$347.0K0.03%00.0%Unchanged
D.A. Davidson & Co.554$345.4K0.00%+29+5.5%Added
AXA S.A.675$344.0K0.40%+322+91.2%Added
Compagnie Lombard Odier SCmA550$342.9K0.00%00.0%Unchanged
Hudson Value Partners, LLC547$341.1K0.09%00.0%Unchanged
First Western Trust Bank545$339.8K0.02%+1+0.2%Added
Davenport & Co LLC543$338.6K0.00%+55+11.3%Added
Everhart Financial Group, Inc.542$338.0K0.02%−118−17.9%Reduced
Pinnacle Wealth Planning Services, Inc.540$336.7K0.03%−20−3.6%Reduced
17 Capital Partners, LLC537$334.8K0.15%+537New
Legacy Capital Group California, Inc.537$334.8K0.10%+537New
Lebenthal Global Advisors, LLC532$331.8K0.04%−30−5.3%Reduced
Tred Avon Family Wealth, LLC531$331.2K0.10%+24+4.7%Added
Capital Investment Advisors, LLC530$330.7K0.00%−39−6.9%Reduced
Readystate Asset Management LP530$330.5K0.01%+530New
Equitable Trust Co528$329.2K0.01%−28−5.0%Reduced
Integrity Alliance, LLC.528$329.2K0.01%+39+8.0%Added
K.J. Harrison & Partners Inc526$328.0K0.05%00.0%Unchanged
Investment House LLC525$327.4K0.01%00.0%Unchanged
Childress Capital Advisors, LLC523$326.1K0.05%−44−7.8%Reduced
BIP Wealth, LLC522$325.5K0.01%+522New
Mutual Advisors, LLC516$321.9K0.01%+55+11.9%Added
71 West Capital Partners516$321.7K0.01%+182+54.5%Added
Groupe la Francaise553$320.9K0.00%+111+25.1%Added
Dorsey & Whitney Trust CO LLC515$320.9K0.02%−36−6.5%Reduced
Premier Path Wealth Partners, LLC507$316.0K0.04%−160−24.0%Reduced
Commerzbank Aktiengesellschaft506$316.0K0.01%−33−6.1%Reduced
Claro Advisors LLC502$313.3K0.03%−66−11.6%Reduced
Sowell Financial Services LLC502$313.3K0.01%+6+1.2%Added
Moneta Group Investment Advisors LLC502$313.2K0.00%+24+5.0%Added
Seelaus Asset Management LLC501$312.4K0.22%+145+40.7%Added
Alpine Fox Capital LLC500$311.8K0.18%−500−50.0%Reduced
Westbourne Investments, Inc.500$311.8K0.13%00.0%Unchanged
Dempze Nancy E500$311.8K0.15%00.0%Unchanged
Arista Wealth Management, LLC500$311.8K0.03%00.0%Unchanged
Flower City Capital500$311.8K0.14%+500New
Telos Capital Management, Inc.497$309.9K0.03%+15+3.1%Added
Paces Ferry Wealth Advisors, LLC497$309.9K0.12%−13−2.5%Reduced
Uhlmann Price Securities, LLC496$309.3K0.01%+60+13.8%Added
Resonant Capital Advisors, LLC495$308.7K0.01%−6−1.2%Reduced
Adviser Investments LLC493$307.4K0.00%+95+23.9%Added
Invera Wealth Advisors, LLC493$307.4K0.16%+493New
Old National Bancorp493$307.4K0.01%−21−4.1%Reduced
Plimoth Trust Co LLC491$306.2K0.06%−22−4.3%Reduced
Abundance Wealth Counselors488$304.3K0.02%−161−24.8%Reduced
Investment Research Partners LLC483$301.2K0.10%+199+70.1%Added
Greenbush Financial Group, LLC483$301.0K0.09%−6−1.2%Reduced
OneAscent Family Office, LLC481$299.9K0.15%+481New
Greykasell Wealth Strategies, Inc.478$297.9K0.11%00.0%Unchanged
American Alpha Advisors, LLC476$296.8K0.18%+8+1.7%Added
SCS Capital Management LLC471$294.0K0.00%00.0%Unchanged
Avail Investment Partners, LLC470$293.1K0.23%+209+80.1%Added
Johnson Investment Counsel Inc468$291.6K0.00%−10−2.1%Reduced
Aspiriant, LLC465$289.9K0.01%+135+40.9%Added
Landscape Capital Management, L.L.C.464$289.3K0.02%−3,471−88.2%Reduced
Wealth Alliance461$287.7K0.02%−24−4.9%Reduced
Checchi Capital Advisers, LLC457$285.0K0.02%−138−23.2%Reduced
Bingham Private Wealth, LLC456$284.3K0.20%+2+0.4%Added
SevenBridge Financial Group, LLC359$281.6K0.04%−13−3.5%Reduced
Hantz Financial Services, Inc.447$279.0K0.00%+4+0.9%Added
Bradley Foster & Sargent Inc447$278.7K0.00%00.0%Unchanged
Everpar Advisors LLC445$277.5K0.08%−98−18.0%Reduced
Colonial River Wealth Management, LLC445$277.5K0.08%−58−11.5%Reduced
Alliance Wealth Advisors, LLC442$275.6K0.05%−235−34.7%Reduced
Aviso Wealth Management442$275.6K0.11%−18−3.9%Reduced
Chesley Taft & Associates LLC439$273.7K0.01%+2+0.5%Added
NBC Securities, Inc.435$271.2K0.02%−1−0.2%Reduced
Apriem Advisors434$270.6K0.02%−7,722−94.7%Reduced
Conning Inc.432$269.4K0.01%−29−6.3%Reduced
Great Diamond Partners, LLC431$268.7K0.05%−53−11.0%Reduced
Howe & Rusling Inc431$268.5K0.02%+15+3.6%Added
1248 Management, LLC430$268.1K0.10%−483−52.9%Reduced
Guardian Wealth Advisors, LLC430$268.1K0.02%−13−2.9%Reduced
RMB Capital Management, LLC429$267.3K0.00%−1,391−76.4%Reduced
Camden Capital, LLC428$266.6K0.01%−91−17.5%Reduced
New World Advisors LLC427$266.3K0.05%+427New
McIntyre Freedman & Flynn Investment Advisers Inc426$265.6K0.16%00.0%Unchanged
National Asset Management, Inc.414$261.3K0.01%+89+27.4%Added
Elwood & Goetz Wealth Advisory Group, LLC418$260.6K0.04%−5−1.2%Reduced
Meiji Yasuda Asset Management Co Ltd.417$260.0K0.01%+13+3.2%Added
PDS Planning, Inc416$259.4K0.02%−45−9.8%Reduced
Forefront Analytics, LLC415$258.8K0.28%−45−9.8%Reduced
Triumph Capital Management414$258.3K0.05%+35+9.2%Added
Cim Investment Mangement Inc413$257.5K0.06%−39−8.6%Reduced
MQS Management LLC412$256.9K0.31%+121+41.6%Added
Deroy & Devereaux Private Investment Counsel Inc410$256.0K0.01%00.0%Unchanged
Centiva Capital, LP408$254.4K0.01%−14,202−97.2%Reduced
Alta Advisers Ltd407$253.8K0.06%00.0%Unchanged
Bridgewater Advisors Inc.340$251.8K0.01%+21+6.6%Added
Prosperity Consulting Group, LLC402$250.7K0.01%+42+11.7%Added