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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
Farther Finance Advisors, LLC1,075$670.6K0.01%−795−42.5%Reduced
Journey Retirement Planning & Investment Management LLC1,077$671.6K0.52%−52−4.6%Reduced
Boyd Watterson Asset Management LLC1,078$672.2K0.18%−9−0.8%Reduced
Independent Financial Group, LLC1,089$679.0K0.01%−1−0.1%Reduced
Valley National Advisers Inc1,091$680.2K0.08%−96−8.1%Reduced
AE Wealth Management LLC1,094$683.6K0.00%−5,587−83.6%Reduced
Oak Asset Management, LLC1,100$685.9K0.22%00.0%Unchanged
Phoenix Holdings Ltd.1,109$691.5K0.00%+141+14.6%Added
Brown Brothers Harriman & Co1,115$695.2K0.00%−687−38.1%Reduced
Kinneret Advisory, LLC1,116$695.9K0.06%00.0%Unchanged
GraniteShares Advisors LLC1,120$698.4K0.45%+1,120New
Tectonic Advisors LLC1,126$701.9K0.03%−6−0.5%Reduced
Trust Asset Management LLC1,127$702.7K0.04%−41−3.5%Reduced
Princeton Capital Management LLC1,140$710.8K0.16%−79−6.5%Reduced
J.M. Arbour, LLC1,146$714.6K0.62%+1,146New
Deseret Mutual Benefit Administrators1,160$723.3K0.24%+2+0.2%Added
Mount Yale Investment Advisors, LLC1,241$723.9K0.01%+346+38.7%Added
Harbor Capital Advisors, Inc.1,163$725.0K0.05%+10+0.9%Added
Rothschild Investment LLC1,168$728.4K0.03%−318−21.4%Reduced
Simplicity Wealth,LLC1,173$731.5K0.02%+226+23.9%Added
Aptus Capital Advisors, LLC1,180$735.8K0.01%−84−6.6%Reduced
Boston Trust Walden Corp1,193$743.9K0.01%00.0%Unchanged
Twin Capital Management Inc1,201$748.9K0.08%−12−1.0%Reduced
WP Advisors, LLC1,205$751.5K0.18%−282−19.0%Reduced
DoubleLine ETF Adviser LP1,209$753.9K0.31%−107−8.1%Reduced
XML Financial, LLC1,214$757.0K0.06%+44+3.8%Added
SBI Okasan Asset Management Co.Ltd.1,200$758.2K0.02%00.0%Unchanged
Circle Wealth Management, LLC1,221$761.3K0.01%−19−1.5%Reduced
Fidelis Capital Partners, LLC1,234$769.4K0.04%−15−1.2%Reduced
Westhampton Capital, LLC1,238$771.9K0.32%+15+1.2%Added
Capstone Investment Advisors, LLC1,240$773.2K0.01%+1,240New
Frec Markets, Inc.1,246$776.9K0.07%+198+18.9%Added
New Wave Wealth Advisors LLC1,247$777.6K0.21%+354+39.6%Added
Atomi Financial Group, Inc.1,253$781.5K0.02%−558−30.8%Reduced
Evercore Wealth Management, LLC1,257$783.8K0.01%+3+0.2%Added
Evolve Private Wealth, LLC1,259$785.2K0.05%−680−35.1%Reduced
Inceptionr LLC1,262$786.9K0.19%+375+42.3%Added
Oxford Asset Management LLP1,265$788.8K0.39%+1,265New
Moody National Bank Trust Division1,274$794.4K0.07%−8−0.6%Reduced
Generali Investments, Management Co LLC1,276$795.6K0.17%−766−37.5%Reduced
Fiduciary Family Office, LLC1,280$798.1K0.20%+206+19.2%Added
Valeo Financial Advisors, LLC1,289$803.6K0.02%−7−0.5%Reduced
Skba Capital Management LLC1,295$807.5K0.13%00.0%Unchanged
Diversify Advisory Services, LLC1,211$808.2K0.01%+1,211New
Diversify Wealth Management, LLC1,211$808.2K0.01%+1,211New
Sheets Smith Wealth Management1,300$810.6K0.08%+1+0.1%Added
EP Wealth Advisors, LLC1,301$811.4K0.00%−143−9.9%Reduced
Everence Capital Management Inc1,310$817.0K0.04%−942−41.8%Reduced
Meeder Advisory Services, Inc.1,311$817.5K0.03%−60−4.4%Reduced
Employees Retirement System of Texas1,324$826.0K0.01%00.0%Unchanged
Keynote Financial Services LLC1,339$834.9K0.39%+201+17.7%Added
Magnetar Financial LLC1,340$835.5K0.01%+210+18.6%Added
Blue Chip Partners, Inc.1,341$836.5K0.05%+312+30.3%Added
Bokf, NA1,346$839.3K0.01%−5−0.4%Reduced
Caerus Investment Advisors, LLC1,349$841.2K0.28%−317−19.0%Reduced
IFP Advisors, Inc1,352$843.0K0.02%−116−7.9%Reduced
Greenleaf Trust1,353$843.6K0.01%−132−8.9%Reduced
Copeland Capital Management, LLC1,356$845.5K0.02%−93−6.4%Reduced
Mission Wealth Management, LP1,357$846.4K0.01%+810+148.1%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,358$846.8K0.02%−41−2.9%Reduced
Ashton Thomas Securities, LLC1,369$849.9K0.13%+110+8.7%Added
Coldstream Capital Management Inc1,384$863.0K0.01%−490−26.1%Reduced
Wedmont Private Capital1,310$870.6K0.02%+112+9.3%Added
Generali Investments Towarzystwo Funduszy Inwestycyjnych1,400$873.0K0.35%00.0%Unchanged
Baker Tilly Wealth Management, LLC1,410$879.3K0.19%+46+3.4%Added
Central Pacific Bank - Trust Division1,412$880.4K0.09%+185+15.1%Added
Delta Financial Advisors LLC1,413$881.1K0.21%−31−2.1%Reduced
Analyst IMS Investment Management Services Ltd.1,425$889.0K0.02%00.0%Unchanged
Legacy Financial Advisors, Inc.1,438$896.8K0.11%−114−7.3%Reduced
Central Trust Co1,444$900.4K0.02%+369+34.3%Added
Atlantic Edge Private Wealth Management, LLC1,449$903.5K0.19%−25−1.7%Reduced
Quantbot Technologies LP1,460$910.4K0.04%+1,460New
Dakota Wealth Management1,466$914.1K0.02%−681−31.7%Reduced
Nilsine Partners, LLC1,469$916.0K0.06%−2−0.1%Reduced
Opal Capital LLC1,480$922.8K0.16%+1,480New
Empirical Finance, LLC1,482$924.1K0.04%−19−1.3%Reduced
Baader Bank INC1,488$927.8K0.08%−5,323−78.2%Reduced
Fairfield, Bush & Co.1,496$933.0K0.46%−36−2.3%Reduced
Acorn Financial Advisory Services Inc1,502$936.6K0.12%−1−0.1%Reduced
Moss Adams Wealth Advisors LLC1,513$943.4K0.06%+16+1.1%Added
Crossmark Global Holdings, Inc.1,528$952.8K0.01%+286+23.0%Added
Waddell & Associates, LLC1,548$965.2K0.05%−181−10.5%Reduced
Tiaa-Cref Individual & Institutional Services, LLC1,548$965.2K0.00%+238+18.2%Added
Bessemer Group Inc1,564$975.0K0.00%−164−9.5%Reduced
Park Avenue Securities LLC1,563$975.0K0.01%−112−6.7%Reduced
PeakShares LLC1,564$975.2K0.73%+114+7.9%Added
Global Retirement Partners, LLC1,564$975.3K0.01%+1,564New
denkapparat Operations GmbH1,566$976.5K0.32%+374+31.4%Added
Mesirow Financial Investment Management, Inc.1,571$982.3K0.02%−131−7.7%Reduced
Brinker Capital Investments, LLC1,582$986.7K0.01%−179−10.2%Reduced
Bull Harbor Capital LLC1,594$993.9K0.19%−472−22.8%Reduced
One Wealth Capital Management, LLC1,600$997.7K0.28%+828+107.3%Added
Warner Group LLC1,606$1.00M0.25%+807+101.0%Added
Coastal Bridge Advisors, LLC1,614$1.01M0.06%+93+6.1%Added
CWA Asset Management Group, LLC1,623$1.01M0.03%−48−2.9%Reduced
Norden Group LLC1,645$1.03M0.08%+23+1.4%Added
Tower Research Capital LLC (TRC)1,665$1.04M0.03%−2,713−62.0%Reduced
Jacobi Capital Management LLC1,673$1.04M0.05%+39+2.4%Added
Nwam LLC1,680$1.05M0.05%−237−12.4%Reduced
Personal Cfo Solutions, LLC1,692$1.05M0.15%−3−0.2%Reduced