Skip to main content

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, Q1 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 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
926
No complete 13F data for Q4 2020
Shares held
89.6M
No complete 13F data for Q4 2020
Total value
$42.3B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 926 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 heldQ1 2021: $42.3B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding REGN in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Fiduciary Trust Co15,362$7.27M0.15%––
Hendershot Investments Inc.15,584$7.37M1.71%––
Summit Global Investments15,587$7.38M0.47%––
Private Advisor Group, LLC15,703$7.43M0.07%––
HRT Financial LP15,707$7.43M0.08%––
Tower Research Capital LLC (TRC)15,885$7.52M0.13%––
Greenwich Wealth Management LLC16,179$7.66M0.61%––
Rafferty Asset Management, LLC16,625$7.87M0.06%––
ExodusPoint Capital Management, LP16,762$7.93M0.16%––
Swiss Life Asset Management Ltd16,928$8.01M0.11%––
Advisors Asset Management, Inc.16,993$8.04M0.12%––
Meeder Asset Management Inc17,078$8.08M0.41%––
British Columbia Investment Management Corp17,209$8.14M0.06%––
Texas Permanent School Fund17,581$8.32M0.10%––
Metropolitan Life Insurance Co17,653$8.35M0.12%––
Banco Santander, S.A.17,950$8.49M0.06%––
Marshall Wace, LLP18,068$8.55M0.05%––
Flputnam Investment Management Co18,086$8.56M0.38%––
Hexavest Inc.18,399$8.71M0.39%––
Utah Retirement Systems18,502$8.75M0.12%––
Grandfield & Dodd, LLC18,562$8.78M0.66%––
Public Employees Retirement Association of Colorado18,862$8.92M0.04%––
Vancity Investment Management Ltd19,207$9.09M1.67%––
GW Henssler & Associates Ltd19,362$9.16M0.66%––
Nomura Holdings Inc19,400$9.18M0.07%––
Shell Asset Management Co19,642$9.29M0.19%––
Citadel Advisors LLC19,683$9.31M0.01%––
Teachers Retirement System of the State of Kentucky19,746$9.34M0.09%––
Fifth Third Bancorp19,902$9.42M0.04%––
Rhenman & Partners Asset Management AB20,000$9.46M0.66%––
Gulf International Bank (UK) Ltd20,144$9.53M0.13%––
Nisa Investment Advisors, LLC20,194$9.55M0.06%––
Schaper Benz & Wise Investment Counsel Inc20,362$9.63M0.94%––
Bank of Nova Scotia20,633$9.76M0.02%––
Achmea Investment Management B.V.20,698$9.79M0.34%––
D. E. Shaw & Co., Inc.20,700$9.79M0.01%––
Comerica Bank20,191$9.87M0.06%––
Employees Retirement System of Texas21,755$10.3M0.13%––
CIBC Asset Management Inc22,583$10.7M0.05%––
Janney Montgomery Scott LLC24,223$11.5M0.06%––
Schroder Investment Management Group24,549$11.6M0.02%––
North Point Portfolio Managers Corp24,812$11.7M1.70%––
Westpac Banking Corp24,894$11.8M0.13%––
MetLife Investment Management25,090$11.9M0.11%––
Boston Common Asset Management, LLC25,105$11.9M0.75%––
Handelsbanken Fonder AB25,357$12.0M0.07%––
Susquehanna Fundamental Investments, LLC25,503$12.1M0.21%––
Los Angeles Capital Management LLC25,644$12.1M0.05%––
Vestcor Inc25,762$12.2M0.46%––
Forsta Ap-Fonden25,800$12.2M0.17%––
Capital International Ltd25,808$12.2M0.74%––
Connor, Clark & Lunn Investment Management Ltd.25,990$12.3M0.07%––
Teacher Retirement System of Texas26,243$12.4M0.07%––
PEAK6 Investments LLC26,349$12.5M0.32%––
Natixis26,725$12.6M0.04%––
State of Michigan Retirement System27,192$12.9M0.08%––
Mackay Shields LLC27,328$12.9M0.09%––
Brinker Capital Investments, LLC27,655$13.1M0.20%––
Westwood Holdings Group Inc.27,685$13.1M0.13%––
Stifel Financial Corp27,784$13.1M0.02%––
QS Investors, LLC27,819$13.2M0.16%––
State of Alaska, Department of Revenue27,930$13.2M0.14%––
Profund Advisors LLC28,105$13.3M0.51%––
Eaton Vance Management28,873$13.7M0.02%––
Arizona State Retirement System29,549$14.0M0.12%––
SEI Investments Co30,389$14.3M0.04%––
Dai-Ichi Life Insurance Company, Ltd30,277$14.3M0.20%––
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund31,256$14.8M0.13%––
Aviva PLC32,130$15.2M0.07%––
Washington Trust Co32,140$15.2M0.47%––
Oregon Public Employees Retirement Fund32,797$15.5M0.18%––
Erste Asset Management GmbH33,120$15.6M0.38%––
Bellevue Group AG35,800$16.9M0.18%––
Royal London Asset Management Ltd36,130$17.1M0.08%––
Capital International Inc36,594$17.3M0.16%––
Wealthstreet Investment Advisors, LLC36,986$17.5M1.71%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.37,691$17.8M0.12%––
Hudson Bay Capital Management LP38,000$18.0M0.25%––
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main38,114$18.0M0.03%––
Thrivent Financial for Lutherans38,653$18.3M0.04%––
LPL Financial LLC40,057$19.0M0.02%––
Swedbank AB40,408$19.1M0.04%––
Grantham, Mayo, Van Otterloo & Co. LLC41,600$19.7M0.11%––
DnB Asset Management AS42,096$19.9M0.15%––
Squarepoint Ops LLC42,492$20.1M0.19%––
Tobam43,592$20.6M0.88%––
International Biotechnology Trust PLC43,800$20.7M5.48%––
Suncoast Equity Management44,440$21.0M3.10%––
American International Group, Inc.45,235$21.4M0.09%––
Markel Group Inc.SuperinvestorMarkel Group45,500$21.5M0.30%––
Canada Pension Plan Investment Board46,040$21.8M0.03%––
Treasurer of the State of North Carolina46,083$21.8M0.14%––
Taurus Asset Management, LLC46,162$21.8M2.52%––
AMP Capital Investors Ltd47,619$22.5M0.11%––
STRS Ohio47,940$22.7M0.09%––
Adage Capital Partners GP, L.L.C.48,406$22.9M0.05%––
Nordea Investment Management AB50,384$23.8M0.03%––
Toronto Dominion Bank51,567$24.4M0.04%––
Voya Investment Management LLC52,308$24.7M0.05%––
Zurcher Kantonalbank (Zurich Cantonalbank)52,454$24.8M0.15%––