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 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,342 | $57.1B |
| Q1 2026 | 1,401 | $69.8B |
| Q4 2025 | 1,387 | $70.7B |
| Q3 2025 | 1,243 | $49.0B |
| Q2 2025 | 1,201 | $46.9B |
| Q1 2025 | 1,290 | $59.0B |
| Q4 2024 | 1,320 | $66.6B |
| Q3 2024 | 1,393 | $97.5B |
| Q2 2024 | 1,335 | $98.9B |
| Q1 2024 | 1,313 | $89.3B |
| Q4 2023 | 1,274 | $80.3B |
| Q3 2023 | 1,180 | $75.1B |
| Q2 2023 | 1,168 | $66.2B |
| Q1 2023 | 1,196 | $76.1B |
| Q4 2022 | 1,161 | $66.9B |
| Q3 2022 | 1,081 | $64.0B |
| Q2 2022 | 1,066 | $55.0B |
| Q1 2022 | 1,097 | $64.5B |
| Q4 2021 | 1,081 | $56.9B |
| Q3 2021 | 1,022 | $54.5B |
| Q2 2021 | 975 | $49.6B |
| Q1 2021 | 926 | $42.3B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quest 10 Wealth Builders, Inc. | 1 | $315 | 0.00% | 00.0% | Unchanged |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −129,801−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −97,739−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −45,914−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −33,424−100.0% | Sold out |
| Ceredex Value Advisors LLC | 0 | $0 | 0.00% | −31,025−100.0% | Sold out |
| Boston Common Asset Management, LLC | 0 | $0 | 0.00% | −27,343−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −25,400−100.0% | Sold out |
| Braun Stacey Associates Inc | 0 | $0 | 0.00% | −20,516−100.0% | Sold out |
| Payden & Rygel | 0 | $0 | 0.00% | −16,100−100.0% | Sold out |
| Catalio Capital Management, LP | 0 | $0 | 0.00% | −12,261−100.0% | Sold out |
| Cutter & CO Brokerage, Inc. | 0 | $0 | 0.00% | −10,838−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −9,197−100.0% | Sold out |
| Cornerstone Wealth Group, LLC | 0 | $0 | 0.00% | −8,270−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −7,750−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −6,623−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −5,486−100.0% | Sold out |
| Smithbridge Asset Management Inc | 0 | $0 | 0.00% | −5,368−100.0% | Sold out |
| Greenwoods Asset Management Hong Kong Ltd.SuperinvestorGreenwoods Asset Management | 0 | $0 | 0.00% | −4,750−100.0% | Sold out |
| Alaska Permanent Fund Corp | 0 | $0 | 0.00% | −4,624−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −4,265−100.0% | Sold out |
| Asio Capital, LLC | 0 | $0 | 0.00% | −3,995−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −3,788−100.0% | Sold out |
| Oxbow Advisors, LLC | 0 | $0 | 0.00% | −3,653−100.0% | Sold out |
| Steel Peak Wealth Management LLC | 0 | $0 | 0.00% | −3,615−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −3,525−100.0% | Sold out |
| Ilex Capital Partners (UK) LLP | 0 | $0 | 0.00% | −3,475−100.0% | Sold out |
| Greater Midwest Financial Group, LLC | 0 | $0 | 0.00% | −3,206−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2,653−100.0% | Sold out |
| Old Second National Bank of Aurora | 0 | $0 | 0.00% | −2,853−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −2,772−100.0% | Sold out |
| Wahed Invest LLC | 0 | $0 | 0.00% | −2,712−100.0% | Sold out |
| Springhill Fund Asset Management (HK) Co Ltd | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| CHB Investment Group, LLC | 0 | $0 | 0.00% | −2,597−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −2,522−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −2,511−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −2,477−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Concord Asset Management, LLC | 0 | $0 | 0.00% | −2,259−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −2,092−100.0% | Sold out |
| Knott David M Jr | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Qtron Investments LLC | 0 | $0 | 0.00% | −1,945−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −1,917−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,734−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −1,628−100.0% | Sold out |
| Atria Wealth Solutions, Inc. | 0 | $0 | 0.00% | −1,582−100.0% | Sold out |
| Karani Asset Management LLC | 0 | $0 | 0.00% | −1,512−100.0% | Sold out |
| Gluskin Sheff & Assoc Inc | 0 | $0 | 0.00% | −1,469−100.0% | Sold out |
| Balboa Wealth Partners | 0 | $0 | 0.00% | −1,445−100.0% | Sold out |
| Novem Group | 0 | $0 | 0.00% | −1,361−100.0% | Sold out |
| Cravens & Co Advisors, LLC | 0 | $0 | 0.00% | −1,286−100.0% | Sold out |
| Marshall Financial Group LLC | 0 | $0 | 0.00% | −1,249−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −1,228−100.0% | Sold out |
| Simon Quick Advisors, LLC | 0 | $0 | 0.00% | −1,150−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −1,090−100.0% | Sold out |
| Balentine LLC | 0 | $0 | 0.00% | −1,072−100.0% | Sold out |
| Burns J W & Co Inc | 0 | $0 | 0.00% | −1,040−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −1,011−100.0% | Sold out |
| Fortis Capital Advisors, LLC | 0 | $0 | 0.00% | −1,011−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −973−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −950−100.0% | Sold out |
| Magnus Financial Group LLC | 0 | $0 | 0.00% | −928−100.0% | Sold out |
| Meiji Yasuda Life Insurance Co | 0 | $0 | 0.00% | −926−100.0% | Sold out |
| Advisors Capital Management, LLC | 0 | $0 | 0.00% | −921−100.0% | Sold out |
| Integrity Alliance, LLC. | 0 | $0 | 0.00% | −913−100.0% | Sold out |
| DSG Capital Advisors, LLC | 0 | $0 | 0.00% | −860−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −849−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −779−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −765−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −752−100.0% | Sold out |
| Atomi Financial Group, Inc. | 0 | $0 | 0.00% | −725−100.0% | Sold out |
| Per Stirling Capital Management, LLC. | 0 | $0 | 0.00% | −720−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −710−100.0% | Sold out |
| Global Assets Advisory, LLC | 0 | $0 | 0.00% | −759−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −691−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −680−100.0% | Sold out |
| AustralianSuper Pty Ltd | 0 | $0 | 0.00% | −678−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −671−100.0% | Sold out |
| NewEdge Wealth, LLC | 0 | $0 | 0.00% | −669−100.0% | Sold out |
| Ramiah Investment Group | 0 | $0 | 0.00% | −663−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −642−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −625−100.0% | Sold out |
| Claro Advisors LLC | 0 | $0 | 0.00% | −620−100.0% | Sold out |
| Lake Hills Wealth Management, LLC | 0 | $0 | 0.00% | −616−100.0% | Sold out |
| River Street Advisors LLC | 0 | $0 | 0.00% | −615−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −612−100.0% | Sold out |
| Alpha Family Trust | 0 | $0 | 0.00% | −595−100.0% | Sold out |
| Great Valley Advisor Group, Inc. | 0 | $0 | 0.00% | −575−100.0% | Sold out |
| Choate Investment Advisors | 0 | $0 | 0.00% | −561−100.0% | Sold out |
| Kazazian Asset Management, LLC | 0 | $0 | 0.00% | −560−100.0% | Sold out |
| Shikiar Asset Management Inc | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| VestGen Advisors, LLC | 0 | $0 | 0.00% | −534−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −529−100.0% | Sold out |
| Daymark Wealth Partners, LLC | 0 | $0 | 0.00% | −523−100.0% | Sold out |
| Everhart Financial Group, Inc. | 0 | $0 | 0.00% | −512−100.0% | Sold out |
| Strive Asset Management, LLC | 0 | $0 | 0.00% | −509−100.0% | Sold out |
| Stratos Wealth Partners, LTD. | 0 | $0 | 0.00% | −506−100.0% | Sold out |
| Sivia Capital Partners, LLC | 0 | $0 | 0.00% | −498−100.0% | Sold out |
| Patten & Patten Inc | 0 | $0 | 0.00% | −480−100.0% | Sold out |