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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, Q4 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 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
1,387
+167 vs. Q3 2025
Shares held
91.6M
+4.76M (+5.5%) vs. Q3 2025
Total value
$70.7B
+$21.9B (+44.9%) vs. Q3 2025
New holders
273
502 more added
Sold out
106
457 more reduced

23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,387 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 heldQ4 2025: $70.7B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding REGN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Caitlin John, LLC0$750.00%−61−100.0%Reduced
Quest 10 Wealth Builders, Inc.1$4630.00%00.0%Unchanged
Atomic Invest LLC1$5150.00%+1New
Three Bearings Fiduciary Advisors, Inc.1$7420.00%+1New
Delos Wealth Advisors, LLC1$7720.00%00.0%Unchanged
Breakwater Investment Management1$7720.00%00.0%Unchanged
Motco1$7720.00%00.0%Unchanged
N.E.W. Advisory Services LLC1$7720.00%00.0%Unchanged
Davis Capital Management1$7720.00%00.0%Unchanged
HFM Investment Advisors, LLC1$7720.00%00.0%Unchanged
Stephens Consulting, LLC1$7720.00%+1New
Seneschal Advisors, LLC1$7720.00%+1New
Godfrey Financial Associates, Inc.1$7720.00%+1New
Atlantic Private Wealth, LLC1$7730.00%+1New
Quattro Advisors LLC1$7730.00%+1New
Beaird Harris Wealth Management, LLC1$7960.00%00.0%Unchanged
Front Row Advisors LLC2$1.54K0.00%00.0%Unchanged
DAGCO, Inc.2$1.54K0.00%00.0%Unchanged
Quaker Wealth Management, LLC2$1.54K0.00%+1+100.0%Added
Networth Advisors, LLC2$1.54K0.00%+2New
Signature Equity Partners, LLC2$1.54K0.00%+2New
PEAK6 LLC3$2.03K0.00%−11,844−100.0%Reduced
Cape Investment Advisory, Inc.3$2.32K0.00%−11−78.6%Reduced
Team Financial Group, LLC3$2.32K0.00%00.0%Unchanged
Granite FO LLC3$2.32K0.00%00.0%Unchanged
American Capital Advisory, LLC3$2.32K0.00%+1+50.0%Added
Legacy Wealth Managment, LLC3$2.32K0.00%+1+50.0%Added
PayPay Securities Corp3$2.32K0.07%+1+50.0%Added
JNBA Financial Advisors3$2.32K0.00%+3New
Foster Dykema Cabot & Partners, LLC3$2.32K0.00%+3New
Rialto Wealth Management, LLC3$2.32K0.00%+3New
Optima Capital LLC3$2.32K0.00%+3New
Dunhill Financial, LLC4$2.97K0.00%+2+100.0%Added
CNB Bank4$3.09K0.00%00.0%Unchanged
Corsicana & Co.4$3.09K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC4$3.09K0.00%00.0%Unchanged
LRI Investments, LLC4$3.09K0.00%00.0%Unchanged
Eq Wealth Advisors, LLC4$3.09K0.00%+4New
Intesa Sanpaolo Wealth Management4$3.09K0.00%+4New
Hartford Financial Management Inc.4$3.09K0.00%00.0%Unchanged
Wolff Wiese Magana LLC4$3.09K0.00%00.0%Unchanged
WealthCollab, LLC4$3.09K0.00%00.0%Unchanged
Legacy Bridge, LLC4$3.09K0.00%+4New
Silicon Valley Capital Partners4$3.10K0.00%00.0%Unchanged
Park Square Financial Group, LLC5$3.56K0.02%+5New
Clark Wealth Partners5$3.86K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC5$3.86K0.00%+2+66.7%Added
DV Trading LLC5$3.86K0.00%+5New
First Command Advisory Services, Inc.5$3.86K0.00%+5New
Elevated Capital Advisors, LLC5$3.86K0.00%+5New
Bank of Jackson Hole Trust5$3.86K0.00%+5New
Wealth Enhancement Trust Services, Inc.5$3.86K0.00%+5New
McGuire Capital Advisors Inc5$3.86K0.00%+5New
Winnow Wealth LLC5$3.86K0.00%+4+400.0%Added
Clarity Asset Management, Inc.5$3.88K0.00%00.0%Unchanged
Motiv8 Investments LLC5$4.00K0.00%+5New
Kozak & Associates, Inc.5$4.01K0.00%00.0%Unchanged
Hughes Financial Services, LLC6$4.63K0.00%00.0%Unchanged
Riverview Trust Co6$4.63K0.01%00.0%Unchanged
Strategic Investment Solutions, Inc.6$4.63K0.00%00.0%Unchanged
Wilkerson Advisory Group LLC6$4.63K0.00%+6New
Armstrong Advisory Group, Inc6$4.63K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$4.63K0.00%+2+50.0%Added
Trust Co of Toledo NA7$5.40K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc7$5.40K0.00%00.0%Unchanged
WestEnd Advisors, LLC7$5.40K0.00%+4+133.3%Added
United Financial Planning Group LLC7$5.40K0.00%+7New
Cornerstone Financial Management LLC7$5.40K0.01%+7New
Moisand Fitzgerald Tamayo, LLC7$5.40K0.00%−6−46.2%Reduced
Hollencrest Capital Management7$5.43K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC8$6.17K0.00%+6+300.0%Added
S&T Bank8$6.17K0.00%−2−20.0%Reduced
Bare Financial Services, Inc8$6.17K0.00%−2−20.0%Reduced
Crewe Advisors LLC8$6.17K0.00%00.0%Unchanged
Luken Investment Analytics, LLC8$6.17K0.00%+8New
Nemes Rush Group LLC8$6.17K0.00%+8New
Red Tortoise LLC9$6.95K0.00%00.0%Unchanged
Prosperity Bancshares Inc9$6.95K0.01%+9New
Roxbury Financial LLC9$6.98K0.01%00.0%Unchanged
Missouri Trust & Investment Co10$7.72K0.00%−4−28.6%Reduced
DT Investment Partners, LLC10$7.72K0.00%00.0%Unchanged
MTM Investment Management, LLC10$7.72K0.00%00.0%Unchanged
IMG Wealth Management, Inc.10$7.72K0.00%+1+11.1%Added
North Star Investment Management Corp.10$7.72K0.00%+10New
Strive Financial Group ,LLC10$7.72K0.00%+10New
Hilton Head Capital Partners, LLC10$7.72K0.00%+10New
Kerr Financial Planning Corp10$7.78K0.01%+1+11.1%Added
CKW Financial Group10$8.00K0.00%00.0%Unchanged
Fortitude Family Office, LLC11$8.49K0.00%−4−26.7%Reduced
ZRC Wealth Management, LLC11$8.49K0.00%+5+83.3%Added
Wealth Watch Advisors, INC11$8.49K0.00%+5+83.3%Added
Steigerwald, Gordon & Koch Inc.12$9.26K0.00%+2+20.0%Added
Financial Consulate, Inc12$9.26K0.00%00.0%Unchanged
Garton & Associates Financial Advisors LLC12$9.29K0.01%+12New
Addison Advisors LLC13$10.0K0.00%+2+18.2%Added
Jackson, Grant Investment Advisers, Inc.14$10.8K0.00%−3−17.6%Reduced
Joseph Group Capital Management14$10.8K0.00%+14New
Marquette Asset Management, LLC14$10.8K0.00%00.0%Unchanged
Birchbrook, Inc.14$10.8K0.01%00.0%Unchanged
J.Safra Asset Management Corp15$11.6K0.00%00.0%Unchanged