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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, Q3 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 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
1,243
+62 vs. Q2 2025
Shares held
87.1M
−936.8K (−1.1%) vs. Q2 2025
Total value
$49.0B
+$2.72B (+5.9%) vs. Q2 2025
New holders
173
487 more added
Sold out
111
418 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,243 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 heldQ3 2025: $49.0B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.

Institutions holding REGN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Salomon & Ludwin, LLC45$27.0K0.00%+45New
Rakuten Securities, Inc.48$27.0K0.01%−91−65.5%Reduced
Mowery & Schoenfeld Wealth Management, LLC46$25.9K0.04%−6−11.5%Reduced
Strategic Wealth Partners, Ltd.46$25.9K0.00%00.0%Unchanged
Costello Asset Management, INC43$24.2K0.01%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC42$23.6K0.00%−5−10.6%Reduced
Consultiva Wealth Management, Corp.40$22.5K0.06%00.0%Unchanged
Activest Wealth Management38$21.4K0.00%+17+81.0%Added
ORG Partners LLC38$21.4K0.00%−2−5.0%Reduced
Pinney & Scofield, Inc.35$19.7K0.01%00.0%Unchanged
Root Financial Partners, LLC35$19.7K0.00%+35New
Strengthening Families & Communities, LLC33$18.6K0.00%00.0%Unchanged
IAG Wealth Partners, LLC33$18.6K0.00%+33New
GHP Investment Advisors, Inc.32$18.0K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC32$18.0K0.01%−4−11.1%Reduced
New Age Alpha Advisors, LLC32$18.0K0.00%00.0%Unchanged
Private Wealth Asset Management, LLC31$17.4K0.00%00.0%Unchanged
Bellevue Asset Management, LLC30$17.0K0.01%−27−47.4%Reduced
MCF Advisors LLC30$16.9K0.00%00.0%Unchanged
Chung Wu Investment Group, LLC30$16.9K0.01%00.0%Unchanged
Sachetta, LLC29$16.3K0.01%+13+81.3%Added
Boreal Capital Management LLC29$16.3K0.01%00.0%Unchanged
Tortoise Investment Management, LLC29$16.3K0.00%+5+20.8%Added
Financial Network Wealth Advisors LLC29$16.3K0.02%+11+61.1%Added
Creative Financial Designs Inc28$15.7K0.00%−203−87.9%Reduced
Heritage Wealth Advisors28$15.7K0.00%00.0%Unchanged
Bell Investment Advisors, Inc28$15.7K0.00%00.0%Unchanged
Clear Street Markets LLC28$15.7K0.01%+28New
Colonial Trust Co25$14.3K0.00%−3−10.7%Reduced
JFS Wealth Advisors, LLC25$14.1K0.00%−2−7.4%Reduced
South State Corp.25$14.1K0.00%−20−44.4%Reduced
BFSG, LLC25$14.1K0.00%00.0%Unchanged
Oakworth Capital, Inc.25$14.1K0.00%+25New
PFS Partners, LLC24$13.5K0.01%+10+71.4%Added
Byrne Asset Management LLC22$12.4K0.01%−5−18.5%Reduced
Howard Hughes Medical Institute22$12.4K0.01%00.0%Unchanged
Aspect Partners, LLC22$12.4K0.01%00.0%Unchanged
Raffa Wealth Management, LLC22$12.4K0.00%+4+22.2%Added
High Note Wealth, LLC21$11.8K0.00%−9−30.0%Reduced
HHM Wealth Advisors, LLC20$11.2K0.00%00.0%Unchanged
Financial Management Professionals, Inc.20$11.2K0.00%00.0%Unchanged
Golden State Wealth Management, LLC20$11.2K0.00%00.0%Unchanged
Dogwood Wealth Management LLC20$11.2K0.01%+8+66.7%Added
Pinnacle Bancorp, Inc.18$10.1K0.00%+18New
Hazlett, Burt & Watson, Inc.18$10.0K0.00%+4+28.6%Added
Capital Advisors, Ltd. LLC17$10.0K0.00%+17New
CBIZ Investment Advisory Services, LLC17$9.56K0.00%−34−66.7%Reduced
Jackson, Grant Investment Advisers, Inc.17$9.56K0.00%00.0%Unchanged
Hanson & Doremus Investment Management16$9.00K0.00%+16New
Kilter Group LLC15$8.44K0.00%−7−31.8%Reduced
Fortitude Family Office, LLC15$8.43K0.00%−3−16.7%Reduced
Bogart Wealth, LLC15$8.43K0.00%+3+25.0%Added
J.Safra Asset Management Corp15$8.43K0.00%+15New
Sunbelt Securities, Inc.14$7.88K0.00%−23−62.2%Reduced
Missouri Trust & Investment Co14$7.87K0.00%00.0%Unchanged
Birchbrook, Inc.14$7.87K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.14$7.87K0.01%+6+75.0%Added
Marquette Asset Management, LLC14$7.87K0.00%+14New
Moisand Fitzgerald Tamayo, LLC13$7.31K0.00%00.0%Unchanged
TruNorth Capital Management, LLC13$7.31K0.00%+13New
Avion Wealth13$7.00K0.00%00.0%Unchanged
Financial Consulate, Inc12$6.75K0.00%+12New
JPL Wealth Management, LLC12$6.75K0.00%+12New
Kerr Financial Planning Corp9$6.38K0.01%+9New
Addison Advisors LLC11$6.19K0.00%+4+57.1%Added
CKW Financial Group10$6.00K0.00%00.0%Unchanged
Pacifica Partners Inc.10$6.00K0.00%00.0%Unchanged
Eastern Bank10$5.62K0.00%−15−60.0%Reduced
DT Investment Partners, LLC10$5.62K0.00%00.0%Unchanged
MTM Investment Management, LLC10$5.62K0.00%00.0%Unchanged
S&T Bank10$5.62K0.00%+3+42.9%Added
Bare Financial Services, Inc10$5.62K0.00%+3+42.9%Added
Transamerica Financial Advisors, Inc.10$5.62K0.00%+10New
Steigerwald, Gordon & Koch Inc.10$5.62K0.00%+10New
Roxbury Financial LLC9$5.08K0.00%00.0%Unchanged
Red Tortoise LLC9$5.06K0.00%00.0%Unchanged
IMG Wealth Management, Inc.9$5.06K0.00%00.0%Unchanged
Guerra Advisors Inc9$5.06K0.00%+9New
Crewe Advisors LLC8$4.50K0.00%+8New
WPG Advisers, LLC8$4.50K0.00%+1+14.3%Added
Hollencrest Capital Management7$3.95K0.00%00.0%Unchanged
Trust Co of Toledo NA7$3.94K0.00%−1−12.5%Reduced
Farmers & Merchants Investments Inc7$3.94K0.00%00.0%Unchanged
Hughes Financial Services, LLC6$3.93K0.00%+5+500.0%Added
Clark Wealth Partners5$3.86K0.00%+5New
Cornerstone Planning Group LLC148$3.58K0.00%+134+957.1%Added
Prudent Man Investment Management, Inc.5$3.56K0.00%00.0%Unchanged
Kozak & Associates, Inc.5$3.54K0.00%00.0%Unchanged
Riverview Trust Co6$3.37K0.00%00.0%Unchanged
NVWM, LLC6$3.37K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc6$3.37K0.00%00.0%Unchanged
Strategic Investment Solutions, Inc.6$3.37K0.00%00.0%Unchanged
ZRC Wealth Management, LLC6$3.37K0.00%+6New
Wealth Watch Advisors, INC6$3.37K0.00%+6New
Clarity Asset Management, Inc.5$2.83K0.00%00.0%Unchanged
Highline Wealth Partners LLC5$2.82K0.00%+1+25.0%Added
FSA Wealth Management LLC5$2.81K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.4$2.32K0.00%00.0%Unchanged
Silicon Valley Capital Partners4$2.26K0.00%00.0%Unchanged
Hartford Financial Management Inc.4$2.25K0.00%00.0%Unchanged