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, Q4 2025
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 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
- 1,387
- +167 vs. Q3 2025
- Shares held
- 91.6M
- +4.76M (+5.5%) vs. Q3 2025
- Total value
- $70.7B
- +$21.9B (+44.9%) vs. Q3 2025
- New holders
- 273
- 502 more added
- Sold out
- 106
- 457 more reduced
23 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cerity Partners LLC | 34,227 | $26.4M | 0.04% | +13,693+66.7% | Added |
| Macquarie Group Ltd | 33,817 | $26.1M | 0.11% | −52,851−61.0% | Reduced |
| Natixis | 33,800 | $26.1M | 0.10% | −29,987−47.0% | Reduced |
| Empowered Funds, LLC | 33,060 | $25.5M | 0.43% | −2,027−5.8% | Reduced |
| STRS Ohio | 32,996 | $25.5M | 0.09% | −2,589−7.3% | Reduced |
| Storebrand Asset Management AS | 32,137 | $24.8M | 0.07% | +3,995+14.2% | Added |
| Resona Asset Management Co.,Ltd. | 31,954 | $24.7M | 0.12% | −2,374−6.9% | Reduced |
| Traynor Capital Management, Inc. | 31,363 | $24.2M | 1.33% | +755+2.5% | Added |
| General American Investors Co Inc | 31,362 | $24.2M | 1.51% | 00.0% | Unchanged |
| Marex Group plc | 31,189 | $24.1M | 0.26% | −19,769−38.8% | Reduced |
| Simplify Asset Management Inc. | 31,153 | $24.0M | 0.40% | +18,172+140.0% | Added |
| Orion Investment Co | 30,812 | $23.8M | 7.28% | +175+0.6% | Added |
| CenterBook Partners LP | 30,246 | $23.3M | 1.14% | −26,977−47.1% | Reduced |
| Creative Planning | 30,134 | $23.3M | 0.02% | +10,195+51.1% | Added |
| Nearwater Capital Markets, Ltd | 30,000 | $23.2M | 0.40% | +30,000 | New |
| Catalio Capital Management, LP | 29,797 | $23.0M | 4.07% | −5,547−15.7% | Reduced |
| Daiwa Securities Group Inc. | 29,771 | $23.0M | 0.07% | −2,058−6.5% | Reduced |
| Washington Trust Advisors, Inc. | 29,424 | $22.7M | 1.74% | −301−1.0% | Reduced |
| R.P. Boggs & Co. | 29,344 | $22.6M | 10.08% | −401−1.3% | Reduced |
| Arizona State Retirement System | 29,232 | $22.6M | 0.12% | −1,766−5.7% | Reduced |
| GF Fund Management Co. Ltd. | 29,111 | $22.5M | 0.38% | +399+1.4% | Added |
| Ceredex Value Advisors LLC | 28,549 | $22.0M | 0.66% | +28,549 | New |
| Distillate Capital Partners LLC | 28,378 | $21.9M | 1.13% | −8,734−23.5% | Reduced |
| Nissay Asset Management Corp | 28,026 | $21.6M | 0.11% | +963+3.6% | Added |
| Quadrature Capital Ltd | 27,611 | $21.3M | 0.22% | −33,439−54.8% | Reduced |
| Rockefeller Capital Management L.P. | 27,053 | $20.9M | 0.04% | +1,211+4.7% | Added |
| Ofi Invest Asset Management | 31,265 | $20.5M | 0.29% | +31,265 | New |
| Czech National Bank | 26,575 | $20.5M | 0.13% | +702+2.7% | Added |
| State of Michigan Retirement System | 26,421 | $20.4M | 0.10% | −1,100−4.0% | Reduced |
| Hudson Bay Capital Management LP | 26,127 | $20.2M | 0.12% | −7,664−22.7% | Reduced |
| Illinois Municipal Retirement Fund | 25,849 | $20.0M | 0.25% | −438−1.7% | Reduced |
| Teacher Retirement System of Texas | 24,932 | $19.2M | 0.07% | −3,451−12.2% | Reduced |
| Factory Mutual Insurance Co | 24,800 | $19.1M | 0.19% | −800−3.1% | Reduced |
| Oppenheimer & Co Inc | 24,792 | $19.1M | 0.27% | +1,078+4.5% | Added |
| GW Henssler & Associates Ltd | 24,442 | $18.9M | 0.91% | +223+0.9% | Added |
| MetLife Investment Management | 24,174 | $18.7M | 0.09% | −1,144−4.5% | Reduced |
| DDD Partners, LLC | 24,074 | $18.6M | 1.18% | +2,713+12.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,442 | $18.1M | 0.09% | −1,021−4.2% | Reduced |
| Capital International Sarl | 23,271 | $18.0M | 0.29% | −23,521−50.3% | Reduced |
| Bellecapital International Ltd. | 23,109 | $17.8M | 3.17% | −4,670−16.8% | Reduced |
| Brandywine Global Investment Management, LLC | 23,076 | $17.8M | 0.12% | +23,076 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 23,047 | $17.8M | 0.64% | +23,047 | New |
| F/M Investments LLC | 22,813 | $17.6M | 0.67% | +16,270+248.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 22,363 | $17.5M | 0.02% | +4,778+27.2% | Added |
| Raiffeisen Bank International AG | 22,563 | $17.5M | 0.23% | +977+4.5% | Added |
| One Capital Management, LLC | 21,625 | $16.7M | 0.50% | +765+3.7% | Added |
| Noesis Capital Mangement Corp | 21,387 | $16.5M | 2.39% | +222+1.0% | Added |
| Forsta Ap-Fonden | 21,380 | $16.5M | 0.10% | −520−2.4% | Reduced |
| Captrust Financial Advisors | 21,179 | $16.3M | 0.03% | +6,762+46.9% | Added |
| iA Global Asset Management Inc. | 21,014 | $16.2M | 0.21% | +766+3.8% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 20,999 | $16.2M | 0.82% | +20,999 | New |
| Nisa Investment Advisors, LLC | 20,962 | $16.2M | 0.05% | +950+4.7% | Added |
| IFM Investors Pty Ltd | 20,738 | $16.0M | 0.13% | +75+0.4% | Added |
| Meritage Portfolio Management | 20,580 | $15.9M | 1.05% | −361−1.7% | Reduced |
| Schaper Benz & Wise Investment Counsel Inc | 20,524 | $15.8M | 1.14% | −1,204−5.5% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 20,103 | $15.5M | 0.14% | +20,103 | New |
| Brevan Howard Capital Management LP | 19,985 | $15.4M | 0.30% | +14,745+281.4% | Added |
| MML Investors Services, LLC | 19,878 | $15.3M | 0.04% | +1,029+5.5% | Added |
| China Universal Asset Management Co., Ltd. | 19,753 | $15.2M | 1.17% | −1,606−7.5% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 19,652 | $15.2M | 0.13% | −15,600−44.3% | Reduced |
| Pavaki Capital Management LLC | 19,400 | $15.0M | 10.46% | +19,400 | New |
| Univest Financial Corp | 19,400 | $15.0M | 0.79% | −923−4.5% | Reduced |
| USS Investment Management Ltd | 19,315 | $14.9M | 0.07% | +1,035+5.7% | Added |
| Amalgamated Bank | 19,260 | $14.9M | 0.11% | −180−0.9% | Reduced |
| Rakuten Investment Management, Inc. | 19,003 | $14.8M | 0.05% | −39,903−67.7% | Reduced |
| CIBC World Markets Corp | 19,155 | $14.8M | 0.07% | +19,155 | New |
| Applied Finance Capital Management, LLC | 19,081 | $14.7M | 1.05% | −3,138−14.1% | Reduced |
| Woodstock Corp | 18,646 | $14.4M | 1.24% | +2,036+12.3% | Added |
| British Columbia Investment Management Corp | 18,485 | $14.3M | 0.08% | +3,229+21.2% | Added |
| State of Alaska, Department of Revenue | 18,303 | $14.1M | 0.15% | −950−4.9% | Reduced |
| Glenmede Trust Co NA | 18,060 | $13.9M | 0.07% | +18,060 | New |
| Shelton Capital Management | 17,847 | $13.8M | 0.27% | +2,860+19.1% | Added |
| Private Advisor Group, LLC | 17,768 | $13.7M | 0.06% | −4,054−18.6% | Reduced |
| The PNC Financial Services Group, Inc. | 17,360 | $13.4M | 0.01% | +44+0.3% | Added |
| Comerica Bank | 17,340 | $13.4M | 0.05% | −350−2.0% | Reduced |
| Varma Mutual Pension Insurance Co | 17,088 | $13.2M | 0.08% | −2,800−14.1% | Reduced |
| Utah Retirement Systems | 17,072 | $13.2M | 0.13% | −153−0.9% | Reduced |
| North Point Portfolio Managers Corp | 16,744 | $12.9M | 2.19% | +13+0.1% | Added |
| CI Private Wealth, LLC | 16,590 | $12.8M | 0.02% | −782−4.5% | Reduced |
| Tredje AP-fonden | 16,330 | $12.6M | 0.09% | +16,330 | New |
| Nikko Asset Management Americas, Inc. | 16,171 | $12.5M | 0.14% | −4,053−20.0% | Reduced |
| Commonwealth Equity Services, LLC | 16,122 | $12.4M | 0.02% | −12−0.1% | Reduced |
| Greenwich Wealth Management LLC | 16,121 | $12.4M | 0.56% | −40−0.2% | Reduced |
| Ethic Inc. | 15,943 | $12.3M | 0.19% | −550−3.3% | Reduced |
| Klingenstein Fields & Co LP | 15,935 | $12.3M | 0.46% | −138−0.9% | Reduced |
| Cetera Investment Advisers | 15,808 | $12.2M | 0.01% | −241−1.5% | Reduced |
| Xponance, Inc. | 15,636 | $12.1M | 0.09% | +362+2.4% | Added |
| Picton Mahoney Asset Management | 15,584 | $12.0M | 0.13% | +7,349+89.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 15,570 | $12.0M | 0.10% | −1,221−7.3% | Reduced |
| Fifth Third Bancorp | 15,425 | $11.9M | 0.04% | +3,362+27.9% | Added |
| Toroso Investments, LLC | 15,401 | $11.9M | 0.05% | −176−1.1% | Reduced |
| Mercer Global Advisors Inc | 15,136 | $11.7M | 0.02% | +2,796+22.7% | Added |
| New York Life Investment Management LLC | 15,087 | $11.6M | 0.10% | +1,144+8.2% | Added |
| Pathstone Holdings, LLC | 14,924 | $11.5M | 0.04% | +2,284+18.1% | Added |
| Ilmarinen Mutual Pension Insurance Co | 14,900 | $11.5M | 0.09% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 14,849 | $11.5M | 0.02% | −16,314−52.4% | Reduced |
| M. Kulyk & Associates, LLC | 14,804 | $11.4M | 2.18% | +431+3.0% | Added |
| Charter Trust Co | 14,696 | $11.3M | 0.66% | +2,416+19.7% | Added |
| Ossiam | 14,690 | $11.3M | 0.23% | +1,666+12.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 14,057 | $10.9M | 0.09% | −184−1.3% | Reduced |