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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

Q3 2026 data is still coming in: 2 institutions have reported holding REGN so far. See Q3 2026

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
Cheviot Value Management, LLC30$18.7K0.00%+30New
Colonial Trust Co29$18.3K0.00%+1+3.6%Added
Entrust Financial LLC29$18.1K0.01%−9−23.7%Reduced
Kilter Group LLC28$17.5K0.01%+2+7.7%Added
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
GoalVest Advisory LLC27$16.8K0.00%−5−15.6%Reduced
Strengthening Families & Communities, LLC25$15.7K0.00%+1+4.2%Added
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
PFS Partners, LLC24$15.0K0.01%00.0%Unchanged
Westfuller Advisors, LLC24$15.0K0.01%−4−14.3%Reduced
Acumen Wealth Advisors, LLC24$15.0K0.00%00.0%Unchanged
United Community Bank23$14.3K0.00%−25−52.1%Reduced
Catalyst Capital Advisors LLC23$14.3K0.00%−17−42.5%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
South State Corp.21$13.1K0.00%−2−8.7%Reduced
Pacifica Partners Inc.20$13.1K0.00%00.0%Unchanged
Cornerstone Planning Group LLC20$13.0K0.00%−15−42.9%Reduced
Highline Wealth Partners LLC20$12.5K0.00%−3−13.0%Reduced
HHM Wealth Advisors, LLC20$12.5K0.00%00.0%Unchanged
Toth Financial Advisory Corp20$12.5K0.00%+19+1,900.0%Added
American National Bank20$12.5K0.00%−55−73.3%Reduced
TD Waterhouse Canada Inc.19$11.9K0.00%−3,114−99.4%Reduced
Prosperity Bancshares Inc19$11.8K0.01%00.0%Unchanged
Financial Management Professionals, Inc.18$11.2K0.00%−11−37.9%Reduced
City Holding Co18$11.2K0.00%+18New
High Note Wealth, LLC17$10.6K0.00%−4−19.0%Reduced
1015 Capital Partners, LLC17$10.6K0.01%+1+6.3%Added
Hanson & Doremus Investment Management16$10.0K0.00%00.0%Unchanged
DecisionPoint Financial, LLC16$10.0K0.00%00.0%Unchanged
Capital Advisor Network LLC16$9.98K0.01%−22−57.9%Reduced
ZRC Wealth Management, LLC16$9.98K0.00%+4+33.3%Added
Joseph Group Capital Management15$9.35K0.00%−16−51.6%Reduced
Golden State Wealth Management, LLC15$9.35K0.00%−5−25.0%Reduced
J.Safra Asset Management Corp15$9.35K0.00%00.0%Unchanged
Wedbush Fund Advisers, LLC15$9.35K0.00%+15New
Capital Advisors, Ltd. LLC15$9.00K0.00%−10−40.0%Reduced
Avion Wealth15$9.00K0.00%−9−37.5%Reduced
Hazlett, Burt & Watson, Inc.14$9.00K0.00%00.0%Unchanged
JPL Wealth Management, LLC14$8.73K0.00%−11−44.0%Reduced
Marquette Asset Management, LLC14$8.73K0.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.14$8.73K0.00%00.0%Unchanged
Birchbrook, Inc.14$8.73K0.00%00.0%Unchanged
Cornerstone Financial Management LLC14$8.73K0.01%+3+27.3%Added
Financial Consulate, Inc13$8.11K0.00%−7−35.0%Reduced
Tompkins Financial Corp13$8.11K0.00%+13New
Bank of New Hampshire12$7.48K0.00%−12−50.0%Reduced
Bay Harbor Wealth Management, LLC12$7.48K0.00%+2+20.0%Added
Hughes Financial Services, LLC12$7.48K0.00%+3+33.3%Added
Rakuten Securities, Inc.11$6.86K0.00%−27−71.1%Reduced
Strive Financial Group ,LLC11$6.86K0.00%+1+10.0%Added
Strategic Investment Solutions, Inc.11$6.86K0.00%+5+83.3%Added
Fourth Dimension Wealth, LLC11$6.86K0.00%+11New
DT Investment Partners, LLC10$6.24K0.00%00.0%Unchanged
Crewe Advisors LLC10$6.24K0.00%+2+25.0%Added
Wilkerson Advisory Group LLC10$6.24K0.00%−1−9.1%Reduced
Hilton Head Capital Partners, LLC10$6.24K0.00%00.0%Unchanged
Decker Retirement Planning Inc.10$6.24K0.00%+10New
CKW Financial Group10$6.00K0.00%00.0%Unchanged
Roxbury Financial LLC9$5.65K0.00%00.0%Unchanged
Kerr Financial Planning Corp10$5.64K0.01%−1−9.1%Reduced
S&T Bank8$4.99K0.00%−3−27.3%Reduced
Nemes Rush Group LLC8$4.99K0.00%00.0%Unchanged
Burk Holdings LLC8$4.99K0.00%00.0%Unchanged
Buck Wealth Strategies, LLC8$4.99K0.00%+8New
Hollencrest Capital Management7$4.39K0.00%00.0%Unchanged
LRI Investments, LLC7$4.37K0.00%−9−56.3%Reduced
United Financial Planning Group LLC7$4.37K0.00%−7−50.0%Reduced
North Star Investment Management Corp.7$4.37K0.00%−4−36.4%Reduced
Trust Co of Toledo NA7$4.37K0.00%−1−12.5%Reduced
Moisand Fitzgerald Tamayo, LLC7$4.37K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc7$4.37K0.00%00.0%Unchanged
HFM Investment Advisors, LLC7$4.37K0.00%+5+250.0%Added
BOK Financial Private Wealth, Inc.7$4.37K0.00%+7New
Creative Capital Management Investments LLC7$4.37K0.00%+7New
Marshall Investment Management, LLC7$4.37K0.00%+7New
CBIZ Investment Advisory Services, LLC5$3.86K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc6$3.74K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.6$3.74K0.00%00.0%Unchanged
Riverview Trust Co6$3.74K0.00%00.0%Unchanged
Planning Strategies Inc.6$3.74K0.00%+6New
Kozak & Associates, Inc.5$3.15K0.00%00.0%Unchanged
Signature Equity Partners, LLC5$3.12K0.00%00.0%Unchanged
Activest Wealth Management5$3.12K0.00%−81−94.2%Reduced
Aspect Partners, LLC5$3.12K0.00%−17−77.3%Reduced
Rialto Wealth Management, LLC5$3.12K0.00%−2−28.6%Reduced
First Command Advisory Services, Inc.5$3.12K0.00%00.0%Unchanged
Elevated Capital Advisors, LLC5$3.12K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC5$3.12K0.00%00.0%Unchanged
IMG Wealth Management, Inc.5$3.12K0.00%+2+66.7%Added
Cape Investment Advisory, Inc.5$3.12K0.00%+5New
NBH Bank5$3.12K0.00%+5New
TIAA Wealth Investment Management LLC5$2.81K0.00%−3−37.5%Reduced