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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, Q1 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 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
1,401
+38 vs. Q4 2025
Shares held
90.5M
+9.56M (+11.8%) vs. Q4 2025
Total value
$69.8B
+$7.27B (+11.6%) vs. Q4 2025
New holders
138
578 more added
Sold out
100
461 more reduced

24 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,401 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 heldQ1 2026: $69.8B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2025.

Institutions holding REGN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Copia Wealth Management0$220.00%0New
Caitlin John, LLC0$750.00%0Unchanged
Atlantic Private Wealth, LLC1$7730.00%00.0%Unchanged
Motco1$7730.00%00.0%Unchanged
N.E.W. Advisory Services LLC1$7730.00%00.0%Unchanged
Davis Capital Management1$7730.00%00.0%Unchanged
Breakwater Investment Management1$7730.00%00.0%Unchanged
Seneschal Advisors, LLC1$7730.00%00.0%Unchanged
Godfrey Financial Associates, Inc.1$7730.00%00.0%Unchanged
Three Bearings Fiduciary Advisors, Inc.1$7730.00%00.0%Unchanged
Toth Financial Advisory Corp1$7730.00%+1New
Operose Advisors LLC1$7730.00%+1New
Curio Wealth, LLC1$7730.00%+1New
Napier Financial, LLC1$7730.00%+1New
TopTier Wealth Management, LLC1$7730.00%+1New
Intentional Wealth Strategies, LLC1$7730.00%+1New
Beaird Harris Wealth Management, LLC1$7960.00%00.0%Unchanged
PayPay Securities Corp2$1.49K0.05%−1−33.3%Reduced
Front Row Advisors LLC2$1.54K0.00%00.0%Unchanged
Networth Advisors, LLC2$1.54K0.00%00.0%Unchanged
HFM Investment Advisors, LLC2$1.54K0.00%+1+100.0%Added
Quaker Wealth Management, LLC2$1.55K0.00%00.0%Unchanged
IMG Wealth Management, Inc.3$2.32K0.00%−7−70.0%Reduced
McGuire Capital Advisors Inc3$2.32K0.00%−2−40.0%Reduced
JNBA Financial Advisors3$2.32K0.00%00.0%Unchanged
Team Financial Group, LLC3$2.32K0.00%00.0%Unchanged
Foster Dykema Cabot & Partners, LLC3$2.32K0.00%00.0%Unchanged
Granite FO LLC3$2.32K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC3$2.32K0.00%00.0%Unchanged
Center for Financial Planning, Inc.3$2.32K0.00%+3New
Valued Wealth Advisors LLC3$2.32K0.00%+3New
Synergy Investment Management, LLC3$2.32K0.00%+3New
Corsicana & Co.4$2.54K0.00%00.0%Unchanged
Bare Financial Services, Inc4$3.09K0.00%−4−50.0%Reduced
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
CNB Bank4$3.09K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC4$3.09K0.00%00.0%Unchanged
Intesa Sanpaolo Wealth Management4$3.09K0.00%00.0%Unchanged
Arlington Trust Co LLC4$3.09K0.00%+4New
Dunhill Financial, LLC4$3.10K0.00%00.0%Unchanged
Torren Management, LLC4$3.11K0.00%−45−91.8%Reduced
Silicon Valley Capital Partners4$3.11K0.00%00.0%Unchanged
Kozak & Associates, Inc.5$3.76K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC5$3.86K0.00%−12−70.6%Reduced
First Command Advisory Services, Inc.5$3.86K0.00%00.0%Unchanged
Elevated Capital Advisors, LLC5$3.86K0.00%00.0%Unchanged
Bank of Jackson Hole Trust5$3.86K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC5$3.86K0.00%00.0%Unchanged
Clark Wealth Partners5$3.86K0.00%00.0%Unchanged
American Capital Advisory, LLC5$3.86K0.00%+2+66.7%Added
Signature Equity Partners, LLC5$3.87K0.00%+3+150.0%Added
Clarity Asset Management, Inc.5$3.89K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc6$4.64K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$4.64K0.00%00.0%Unchanged
Riverview Trust Co6$4.64K0.01%00.0%Unchanged
Strategic Investment Solutions, Inc.6$4.64K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd8$5.07K0.00%−264−97.1%Reduced
Farmers & Merchants Investments Inc7$5.41K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC7$5.41K0.00%00.0%Unchanged
Rialto Wealth Management, LLC7$5.41K0.00%+4+133.3%Added
Hollencrest Capital Management7$5.44K0.00%00.0%Unchanged
TIAA Wealth Investment Management LLC8$6.13K0.00%+8New
Nemes Rush Group LLC8$6.18K0.00%00.0%Unchanged
Trust Co of Toledo NA8$6.18K0.00%+1+14.3%Added
Vermillion Wealth Management, Inc.8$6.18K0.00%+8New
Burk Holdings LLC8$6.18K0.00%+8New
Crewe Advisors LLC8$6.18K0.00%00.0%Unchanged
Red Tortoise LLC9$6.95K0.00%00.0%Unchanged
Hughes Financial Services, LLC9$6.95K0.00%+3+50.0%Added
Roxbury Financial LLC9$6.99K0.01%00.0%Unchanged
Kerr Financial Planning Corp11$7.40K0.01%+1+10.0%Added
Steigerwald, Gordon & Koch Inc.10$7.73K0.00%−2−16.7%Reduced
MTM Investment Management, LLC10$7.73K0.00%00.0%Unchanged
Hilton Head Capital Partners, LLC10$7.73K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC10$7.73K0.00%+2+25.0%Added
DT Investment Partners, LLC10$7.73K0.00%00.0%Unchanged
CKW Financial Group10$8.00K0.00%00.0%Unchanged
Strive Financial Group ,LLC10$8.00K0.00%00.0%Unchanged
North Star Investment Management Corp.11$8.50K0.00%+1+10.0%Added
S&T Bank11$8.50K0.00%+3+37.5%Added
Cornerstone Financial Management LLC11$8.50K0.01%+4+57.1%Added
Wilkerson Advisory Group LLC11$8.50K0.00%+5+83.3%Added
ZRC Wealth Management, LLC12$9.27K0.00%+1+9.1%Added
Addison Advisors LLC12$9.27K0.00%−1−7.7%Reduced
Atlantic Trust, LLC13$10.0K0.00%+13New
Marquette Asset Management, LLC14$10.8K0.00%00.0%Unchanged
Birchbrook, Inc.14$10.8K0.01%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.14$10.8K0.00%00.0%Unchanged
United Financial Planning Group LLC14$10.8K0.01%+7+100.0%Added
Hazlett, Burt & Watson, Inc.14$11.0K0.00%+14New
J.Safra Asset Management Corp15$11.6K0.00%00.0%Unchanged
Hanson & Doremus Investment Management16$12.0K0.00%00.0%Unchanged
1015 Capital Partners, LLC16$12.4K0.01%00.0%Unchanged
DecisionPoint Financial, LLC16$12.4K0.00%00.0%Unchanged
LRI Investments, LLC16$12.4K0.00%+12+300.0%Added
Sunbelt Securities, Inc.16$12.4K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.18$13.9K0.00%00.0%Unchanged
Prosperity Bancshares Inc19$14.7K0.01%+10+111.1%Added