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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 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 2021. 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
975
+61 vs. Q1 2021
Shares held
88.9M
−469.4K (−0.5%) vs. Q1 2021
Total value
$49.6B
+$7.39B (+17.5%) vs. Q1 2021
New holders
149
368 more added
Sold out
88
307 more reduced

12 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 975 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 2021: $49.6B
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 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding REGN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
M&R Capital Management Inc40$22.0K0.01%00.0%Unchanged
Whittier Trust Co38$21.0K0.00%−17−30.9%Reduced
Glassman Wealth Services36$20.0K0.00%+9+33.3%Added
Sutton Wealth Advisors Inc.35$19.5K0.01%00.0%Unchanged
Fieldpoint Private Securities, LLC30$18.0K0.00%−70−70.0%Reduced
Simon Quick Advisors, LLC32$17.0K0.00%−21−39.6%Reduced
Holloway Wealth Management, LLC–$17.0K0.01%––
Whittier Trust Co of Nevada Inc30$17.0K0.00%00.0%Unchanged
Versant Capital Management, Inc31$17.0K0.01%+17+121.4%Added
Endurance Wealth Management, Inc.30$16.0K0.00%−2−6.3%Reduced
Bellevue Asset Management, LLC29$16.0K0.01%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.28$16.0K0.01%+4+16.7%Added
Creative Financial Designs Inc25$14.0K0.00%00.0%Unchanged
Bogart Wealth, LLC25$14.0K0.00%00.0%Unchanged
Optiver Holding B.V.25$14.0K0.00%+25New
Trust Co of Vermont24$13.0K0.00%+4+20.0%Added
Resolute Partners Group23$13.0K0.00%00.0%Unchanged
Private Ocean, LLC22$12.0K0.00%−5−18.5%Reduced
Lee Financial Co22$12.0K0.00%00.0%Unchanged
Caldwell Trust Co21$11.7K0.00%+3+16.7%Added
Baron Financial Group, LLC20$11.2K0.01%00.0%Unchanged
Tortoise Investment Management, LLC20$11.0K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC20$11.0K0.00%00.0%Unchanged
Private Capital Group, LLC20$11.0K0.00%+9+81.8%Added
Massmutual Trust Co FSB20$11.0K0.00%+16+400.0%Added
MV Capital Management, Inc.20$11.0K0.00%+17+566.7%Added
Aspire Private Capital, LLC20$11.0K0.00%+20New
Raffa Wealth Management, LLC18$10.1K0.00%+1+5.9%Added
Anfield Capital Management, LLC18$10.0K0.00%+18New
Paragon Wealth Strategies, LLC16$9.00K0.00%+16New
JNBA Financial Advisors15$8.00K0.00%00.0%Unchanged
AllSquare Wealth Management LLC14$8.00K0.00%00.0%Unchanged
Bedel Financial Consulting, Inc.15$8.00K0.00%00.0%Unchanged
Sterling Financial Planning, Inc.15$8.00K0.01%00.0%Unchanged
Crewe Advisors LLC12$7.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.13$7.00K0.00%+8+160.0%Added
Ford Financial Group, LLC13$7.00K0.00%+13New
Ellis Investment Partners, LLC13$7.00K0.00%+13New
Harding Loevner LP11$6.00K0.00%00.0%Unchanged
Hartford Financial Management Inc.10$6.00K0.00%00.0%Unchanged
Gradient Investments LLC11$6.00K0.00%00.0%Unchanged
Evoke Wealth, LLC11$6.00K0.00%00.0%Unchanged
Stonebridge Capital Advisors LLC10$6.00K0.00%+5+100.0%Added
NewSquare Capital LLC9$5.00K0.00%00.0%Unchanged
Brendel Financial Advisors LLC9$5.00K0.00%+9New
Emfo, LLC9$5.00K0.00%+9New
Farmers & Merchants Investments Inc7$4.00K0.00%−54−88.5%Reduced
BerganKDV Wealth Management, LLC8$4.00K0.00%00.0%Unchanged
Thomas J. Herzfeld Advisors, Inc.8$4.00K0.00%+1+14.3%Added
Baystate Wealth Management LLC7$4.00K0.00%00.0%Unchanged
Laurel Wealth Advisors LLC6$3.00K0.00%00.0%Unchanged
Resources Management Corp5$3.00K0.00%00.0%Unchanged
Toth Financial Advisory Corp5$3.00K0.00%00.0%Unchanged
San Francisco Sentry Investment Group (Ca)5$3.00K0.00%00.0%Unchanged
Front Row Advisors LLC4$3.00K0.00%00.0%Unchanged
Standard Family Office LLC5$3.00K0.00%00.0%Unchanged
True Link Financial Advisors, LLC6$3.00K0.00%+6New
Davidson Capital Management Inc.4$2.00K0.00%−2,250−99.8%Reduced
MayTech Global Investments, LLC4$2.00K0.00%00.0%Unchanged
Better Money Decisions, LLC3$2.00K0.00%00.0%Unchanged
KB Financial Partners, LLC3$2.00K0.00%00.0%Unchanged
Wolff Wiese Magana LLC3$2.00K0.00%+3New
FormulaFolio Investments, LLC2$1.00K0.00%00.0%Unchanged
Sound Income Strategies, LLC2$1.00K0.00%00.0%Unchanged
Lenox Wealth Advisors, LLC1$1.00K0.00%00.0%Unchanged
Institutional & Family Asset Management, LLC1$1.00K0.00%00.0%Unchanged
TFC Financial Management1$1.00K0.00%00.0%Unchanged
Longfellow Investment Management Co LLC1$1.00K0.00%+1New
Transamerica Financial Advisors, Inc.1$1.00K0.02%+1New
Spectrum Management Group, LLC1$1.00K0.00%+1New
Addison Advisors LLC2$1.00K0.00%+2New
WestEnd Advisors, LLC–$5580.00%–New
Kelly Financial Services LLC2,234$40.00%+2,221+17,084.6%Added
Sofos Investments, Inc.4––−2−33.3%Reduced
Harel Insurance Investments & Financial Services Ltd.2,233––+1,107+98.3%Added
Renaissance Technologies LLC0$00.00%−65,152−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−38,000−100.0%Sold out
Wealthstreet Investment Advisors, LLC0$00.00%−36,986−100.0%Sold out
Natixis0$00.00%−26,725−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−12,449−100.0%Sold out
Leuthold Group, LLC0$00.00%−10,892−100.0%Sold out
Jennison Associates LLC0$00.00%−10,061−100.0%Sold out
Capula Management Ltd0$00.00%−9,286−100.0%Sold out
Claudia M.P. Batlle, CRP (R) LLC0$00.00%−7,443−100.0%Sold out
Unigestion Holding SA0$00.00%−7,271−100.0%Sold out
Magnetar Financial LLC0$00.00%−5,832−100.0%Sold out
Hedeker Wealth, LLC0$00.00%−4,862−100.0%Sold out
Pearl River Capital, LLC0$00.00%−4,548−100.0%Sold out
Capitolis Advisors LLC0$00.00%−4,448−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−4,030−100.0%Sold out
Tower View Investment Management & Research LLC0$00.00%−3,819−100.0%Sold out
Advisors Preferred, LLC0$00.00%−3,785−100.0%Sold out
SRB Corp0$00.00%−3,280−100.0%Sold out
Atlas Principals, LLC0$00.00%−3,000−100.0%Sold out
Main Street Financial Solutions, LLC0$00.00%−2,781−100.0%Sold out
Wesbanco Bank Inc0$00.00%−2,770−100.0%Sold out
LS Investment Advisors, LLC0$00.00%−2,574−100.0%Sold out
Phoenix Holdings Ltd.0$00.00%−2,494−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−2,282−100.0%Sold out
AtonRa Partners0$00.00%−2,067−100.0%Sold out