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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 2025

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 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
1,201
−73 vs. Q1 2025
Shares held
89.3M
−3.67M (−4.0%) vs. Q1 2025
Total value
$46.9B
−$12.0B (−20.4%) vs. Q1 2025
New holders
134
443 more added
Sold out
207
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,201 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 2025: $46.9B
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 2025

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.

Institutions holding REGN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Crews Bank & Trust19$9.97K0.00%00.0%Unchanged
Sierra Ocean, LLC19$9.97K0.01%+7+58.3%Added
Financial Management Professionals, Inc.20$10.5K0.00%−14−41.2%Reduced
Golden State Wealth Management, LLC20$10.5K0.00%−6−23.1%Reduced
HHM Wealth Advisors, LLC20$10.5K0.00%00.0%Unchanged
Indiana Trust & Investment Management CO20$10.5K0.00%+20New
Activest Wealth Management21$11.0K0.00%−19−47.5%Reduced
Aspect Partners, LLC22$11.6K0.01%−1−4.3%Reduced
Howard Hughes Medical Institute22$11.6K0.00%+22New
Kilter Group LLC22$11.6K0.01%+22New
Transce3nd, LLC23$12.1K0.01%00.0%Unchanged
Tortoise Investment Management, LLC24$12.6K0.00%−50−67.6%Reduced
Eastern Bank25$13.1K0.00%00.0%Unchanged
BFSG, LLC25$13.1K0.00%00.0%Unchanged
Bank of Jackson Hole Trust26$13.7K0.01%+26New
Byrne Asset Management LLC27$14.2K0.01%00.0%Unchanged
JFS Wealth Advisors, LLC27$14.2K0.00%+1+3.8%Added
Colonial Trust Co28$14.5K0.00%+14+100.0%Added
Bell Investment Advisors, Inc28$14.7K0.00%−15−34.9%Reduced
Heritage Wealth Advisors28$14.7K0.00%00.0%Unchanged
Boreal Capital Management LLC29$15.2K0.01%+29New
Kessler Investment Group, LLC30$15.8K0.01%00.0%Unchanged
MCF Advisors LLC30$15.8K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC30$15.8K0.01%+6+25.0%Added
High Note Wealth, LLC30$15.8K0.00%+25+500.0%Added
Chung Wu Investment Group, LLC30$15.8K0.02%+30New
Private Wealth Asset Management, LLC31$16.3K0.00%−3−8.8%Reduced
New Age Alpha Advisors, LLC32$16.8K0.00%−1,371−97.7%Reduced
Duncker Streett & Co Inc32$16.8K0.00%+32New
GHP Investment Advisors, Inc.32$16.8K0.00%−5−13.5%Reduced
Strengthening Families & Communities, LLC33$17.4K0.01%−3−8.3%Reduced
Pinney & Scofield, Inc.35$18.4K0.01%00.0%Unchanged
Bruce G. Allen Investments, LLC36$18.9K0.01%−4−10.0%Reduced
Riggs Asset Managment Co. Inc.39$20.5K0.01%−7−15.2%Reduced
MV Capital Management, Inc.40$21.0K0.00%−35−46.7%Reduced
Consultiva Wealth Management, Corp.40$21.0K0.06%00.0%Unchanged
Accent Capital Management, LLC40$21.0K0.01%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.40$21.0K0.02%00.0%Unchanged
ORG Partners LLC40$21.4K0.00%+27+207.7%Added
Truvestments Capital LLC42$22.1K0.00%+26+162.5%Added
Costello Asset Management, INC43$22.6K0.01%00.0%Unchanged
Core Alternative Capital43$22.6K0.01%00.0%Unchanged
UMA Financial Services, Inc.43$22.6K0.00%+10+30.3%Added
Abound Wealth Management45$23.5K0.01%+9+25.0%Added
South State Corp.45$23.6K0.00%−7−13.5%Reduced
Strategic Wealth Partners, Ltd.46$24.1K0.00%+46New
Annis Gardner Whiting Capital Advisors, LLC47$24.7K0.01%+36+327.3%Added
Ridgewood Investments LLC50$26.3K0.01%00.0%Unchanged
Avalon Trust Co50$26.3K0.00%00.0%Unchanged
Crowley Wealth Management, Inc.50$26.3K0.02%00.0%Unchanged
Curat Global, LLC50$26.3K0.03%00.0%Unchanged
Colonial Trust Advisors50$26.3K0.00%00.0%Unchanged
Sunbelt Securities, Inc.37$26.4K0.00%+7+23.3%Added
CBIZ Investment Advisory Services, LLC51$26.8K0.00%+50+5,000.0%Added
Mowery & Schoenfeld Wealth Management, LLC52$27.3K0.04%00.0%Unchanged
NewSquare Capital LLC53$27.8K0.00%+7+15.2%Added
Kimelman & Baird, LLC54$28.4K0.00%00.0%Unchanged
Bellevue Asset Management, LLC57$30.0K0.01%00.0%Unchanged
Private Wealth Management Group, LLC59$31.0K0.01%+18+43.9%Added
Migdal Insurance & Financial Holdings Ltd.59$31.0K0.00%+59New
Ancora Advisors, LLC60$31.5K0.00%−1−1.6%Reduced
Rosenberg Matthew Hamilton60$31.5K0.01%00.0%Unchanged
AdvisorNet Financial, Inc61$32.1K0.00%−14−18.7%Reduced
Catalyst Capital Advisors LLC65$34.1K0.00%−20−23.5%Reduced
Maryland Capital Advisors Inc.65$34.1K0.01%00.0%Unchanged
American National Bank70$36.8K0.00%00.0%Unchanged
Traub Capital Management LLC73$38.3K0.04%+73New
Newbridge Financial Services Group, Inc.73$38.3K0.01%−4−5.2%Reduced
Brown, Lisle/Cummings, Inc.75$39.4K0.01%00.0%Unchanged
Berbice Capital Management LLC80$42.0K0.03%+60+300.0%Added
SRS Capital Advisors, Inc.81$42.5K0.00%+19+30.6%Added
Westside Investment Management, Inc.81$42.8K0.01%+31+62.0%Added
GW&K Investment Management, LLC81$43.0K0.00%−10−11.0%Reduced
Spire Wealth Management83$43.6K0.00%−97−53.9%Reduced
Ameritas Advisory Services, LLC85$44.7K0.00%+85New
St. Johns Investment Management Company, LLC86$45.1K0.02%00.0%Unchanged
Prestige Wealth Management Group LLC87$45.7K0.01%−3−3.3%Reduced
Hemington Wealth Management89$46.0K0.01%−36−28.8%Reduced
NBC Securities, Inc.91$47.0K0.00%−32−26.0%Reduced
Kathleen S. Wright Associates Inc.90$47.3K0.02%00.0%Unchanged
Ogorek Anthony Joseph93$48.0K0.01%−5−5.1%Reduced
TSFG, LLC92$48.0K0.01%+17+22.7%Added
Centricity Wealth Management, LLC94$49.4K0.04%00.0%Unchanged
Sittner & Nelson, LLC95$49.9K0.02%00.0%Unchanged
Caldwell Trust Co98$51.5K0.01%−15−13.3%Reduced
Mark Sheptoff Financial Planning, LLC100$52.5K0.03%00.0%Unchanged
Turim 21 Investimentos Ltda.100$52.5K0.01%00.0%Unchanged
Cromwell Holdings LLC101$53.0K0.03%−208−67.3%Reduced
Rise Advisors, LLC101$53.2K0.02%+4+4.1%Added
TFC Financial Management102$53.5K0.01%−100−49.5%Reduced
TD Private Client Wealth LLC108$56.7K0.00%−19−15.0%Reduced
Hantz Financial Services, Inc.108$57.0K0.00%+44+68.8%Added
Mount Yale Investment Advisors, LLC113$59.3K0.00%+113New
Game Plan Financial Advisors, LLC115$60.4K0.03%00.0%Unchanged
Putney Financial Group LLC122$64.0K0.06%−20−14.1%Reduced
Smithfield Trust Co123$65.0K0.00%−14−10.2%Reduced
Glen Eagle Advisors, LLC126$66.2K0.01%−10−7.4%Reduced
Whittier Trust Co of Nevada Inc128$67.2K0.00%+18+16.4%Added
Cohen & Steers, Inc.130$68.0K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.130$68.3K0.00%−13−9.1%Reduced