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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; 1,341 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
1,341
−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
542 more reduced

16 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: 1,341 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: 1,341 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 20261,341$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
J.Safra Asset Management Corp15$9.35K0.00%00.0%Unchanged
Wedbush Fund Advisers, LLC15$9.35K0.00%+15New
Capital Advisor Network LLC16$9.98K0.01%−22−57.9%Reduced
ZRC Wealth Management, LLC16$9.98K0.00%+4+33.3%Added
DecisionPoint Financial, LLC16$10.0K0.00%00.0%Unchanged
Hanson & Doremus Investment Management16$10.0K0.00%00.0%Unchanged
High Note Wealth, LLC17$10.6K0.00%−4−19.0%Reduced
1015 Capital Partners, LLC17$10.6K0.01%+1+6.3%Added
City Holding Co18$11.2K0.00%+18New
Financial Management Professionals, Inc.18$11.2K0.00%−11−37.9%Reduced
Prosperity Bancshares Inc19$11.8K0.01%00.0%Unchanged
TD Waterhouse Canada Inc.19$11.9K0.00%−3,114−99.4%Reduced
American National Bank20$12.5K0.00%−55−73.3%Reduced
HHM Wealth Advisors, LLC20$12.5K0.00%00.0%Unchanged
Toth Financial Advisory Corp20$12.5K0.00%+19+1,900.0%Added
Highline Wealth Partners LLC20$12.5K0.00%−3−13.0%Reduced
Cornerstone Planning Group LLC20$13.0K0.00%−15−42.9%Reduced
Pacifica Partners Inc.20$13.1K0.00%00.0%Unchanged
South State Corp.21$13.1K0.00%−2−8.7%Reduced
Cedar Mountain Advisors, LLC22$13.7K0.00%00.0%Unchanged
Byrne Asset Management LLC22$13.7K0.01%00.0%Unchanged
Bogart Wealth, LLC22$13.7K0.00%+2+10.0%Added
Pinnacle Bancorp, Inc.22$13.7K0.00%+4+22.2%Added
United Community Bank23$14.3K0.00%−25−52.1%Reduced
Catalyst Capital Advisors LLC23$14.3K0.00%−17−42.5%Reduced
Acumen Wealth Advisors, LLC24$15.0K0.00%00.0%Unchanged
Westfuller Advisors, LLC24$15.0K0.01%−4−14.3%Reduced
PFS Partners, LLC24$15.0K0.01%00.0%Unchanged
BFSG, LLC25$15.6K0.00%00.0%Unchanged
Raffa Wealth Management, LLC25$15.6K0.00%+2+8.7%Added
West Paces Advisors Inc.25$15.6K0.00%+25New
Strengthening Families & Communities, LLC25$15.7K0.00%+1+4.2%Added
GoalVest Advisory LLC27$16.8K0.00%−5−15.6%Reduced
Creative Financial Designs Inc28$17.5K0.00%−1−3.4%Reduced
Heritage Wealth Advisors28$17.5K0.00%00.0%Unchanged
Caldwell Trust Co28$17.5K0.00%00.0%Unchanged
Fortitude Family Office, LLC28$17.5K0.00%+3+12.0%Added
Kilter Group LLC28$17.5K0.01%+2+7.7%Added
Entrust Financial LLC29$18.1K0.01%−9−23.7%Reduced
Colonial Trust Co29$18.3K0.00%+1+3.6%Added
Cheviot Value Management, LLC30$18.7K0.00%+30New
MCF Advisors LLC30$18.7K0.00%−12−28.6%Reduced
Bruce G. Allen Investments, LLC31$19.3K0.01%−2−6.1%Reduced
Private Wealth Asset Management, LLC31$19.3K0.00%00.0%Unchanged
Allianz SE31$19.3K0.00%+31New
Dogwood Wealth Management LLC32$20.0K0.01%−2−5.9%Reduced
Bell Investment Advisors, Inc32$20.0K0.00%−12−27.3%Reduced
IAG Wealth Partners, LLC33$20.6K0.00%00.0%Unchanged
WPG Advisers, LLC33$20.6K0.01%00.0%Unchanged
GHP Investment Advisors, Inc.33$20.7K0.00%00.0%Unchanged
Ameliora Wealth Management Ltd.34$21.2K0.01%00.0%Unchanged
Spire Wealth Management36$22.4K0.00%−35−49.3%Reduced
LifeSteps Financial, Inc.36$22.4K0.01%+36New
Silver Grove Financial Group, Inc.37$23.1K0.01%+37New
Consultiva Wealth Management, Corp.40$24.9K0.06%00.0%Unchanged
JFS Wealth Advisors, LLC40$25.1K0.00%−9−18.4%Reduced
Birchwood Financial Partners, Inc.41$25.7K0.02%00.0%Unchanged
Salomon & Ludwin, LLC42$26.2K0.00%−16−27.6%Reduced
Costello Asset Management, INC43$26.8K0.01%00.0%Unchanged
Kemnay Advisory Services Inc.43$26.8K0.00%+2+4.9%Added
Mowery & Schoenfeld Wealth Management, LLC46$28.7K0.04%00.0%Unchanged
Action Point Financial Planning, LLC46$28.7K0.00%+46New
Trust Co of Vermont47$29.3K0.00%+47New
SJS Investment Consulting Inc.47$29.3K0.00%−19−28.8%Reduced
Manchester Capital Management LLC47$29.3K0.00%+1+2.2%Added
Mosley Wealth Management47$29.3K0.01%+47New
Alphadyne Asset Management LP48$29.9K0.00%−706−93.6%Reduced
FNY Investment Advisers, LLC50$31.0K0.01%00.0%Unchanged
IFG Advisory, LLC50$31.3K0.00%+50New
Transamerica Financial Advisors, Inc.51$31.9K0.00%−18−26.1%Reduced
Abound Wealth Management51$32.0K0.01%−13−20.3%Reduced
Basepoint Wealth LLC51$32.0K0.02%00.0%Unchanged
Strategic Wealth Partners, Ltd.52$32.4K0.00%00.0%Unchanged
Raleigh Capital Management Inc.52$32.5K0.01%−15−22.4%Reduced
Allied Private Wealth LLC50$33.1K0.02%+50New
Oakworth Capital, Inc.56$34.9K0.00%00.0%Unchanged
SHP Wealth Management57$35.5K0.00%+7+14.0%Added
Eastern Bank57$35.5K0.00%+13+29.5%Added
University of Texas/Texas Am Investment Managment Co59$36.8K0.00%+59New
Rosenberg Matthew Hamilton60$37.4K0.01%00.0%Unchanged
Private Wealth Management Group, LLC60$37.4K0.01%−2−3.2%Reduced
MV Capital Management, Inc.61$38.0K0.00%−15−19.7%Reduced
Hickory Point Bank & Trust61$38.0K0.02%00.0%Unchanged
Colonial Trust Advisors61$38.3K0.00%00.0%Unchanged
Ancora Advisors, LLC63$39.3K0.00%−42−40.0%Reduced
Prestige Wealth Management Group LLC63$39.3K0.01%00.0%Unchanged
Newbridge Financial Services Group, Inc.63$39.3K0.00%−3−4.5%Reduced
Synergy Investment Management, LLC62$39.3K0.01%+59+1,966.7%Added
UMA Financial Services, Inc.64$39.9K0.00%−4−5.9%Reduced
Aberdeen Wealth Management LLC65$40.5K0.02%+65New
Maryland Capital Advisors Inc.65$40.5K0.01%+65New
Compass Financial Management LLC65$40.5K0.00%+65New
Financial Network Wealth Advisors LLC66$41.2K0.04%00.0%Unchanged
Solstein Capital, LLC69$43.0K0.01%00.0%Unchanged
Graney & King, LLC69$43.2K0.02%00.0%Unchanged
Toews Corp70$43.6K0.01%+70New
Ares Financial Consulting, LLC71$44.3K0.03%−5−6.6%Reduced
Continuum Advisory, LLC73$45.5K0.00%+73New
Whittier Trust Co of Nevada Inc68$46.0K0.00%−1−1.4%Reduced
Fedenia Advisers LLC75$46.8K0.01%+75New