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 2026
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 2026. 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
- 1,401
- +38 vs. Q4 2025
- Shares held
- 90.5M
- +9.56M (+11.8%) vs. Q4 2025
- Total value
- $69.8B
- +$7.27B (+11.6%) vs. Q4 2025
- New holders
- 138
- 578 more added
- Sold out
- 100
- 461 more reduced
24 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Family Management Corp | 3,794 | $2.93M | 0.35% | +2,859+305.8% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 3,803 | $2.94M | 0.04% | +3,803 | New |
| Saudi Central Bank | 3,812 | $2.95M | 0.06% | +3,812 | New |
| Gsa Capital Partners LLP | 3,831 | $2.96M | 0.18% | +3,831 | New |
| Apollon Wealth Management, LLC | 3,831 | $2.96M | 0.05% | +264+7.4% | Added |
| Cito Capital Group, LLC | 3,840 | $2.97M | 0.91% | 00.0% | Unchanged |
| RMR Wealth Builders | 3,873 | $2.99M | 0.24% | +414+12.0% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 3,883 | $3.00M | 0.11% | +3,883 | New |
| Signet Financial Management, LLC | 3,895 | $3.01M | 0.34% | −77−1.9% | Reduced |
| Royal London Asset Management Ltd | 3,919 | $3.03M | 0.01% | −301−7.1% | Reduced |
| Tokio Marine Asset Management Co Ltd | 3,925 | $3.03M | 0.11% | +54+1.4% | Added |
| Landscape Capital Management, L.L.C. | 3,935 | $3.04M | 0.19% | +3,503+810.9% | Added |
| Simmons Bank | 3,946 | $3.05M | 0.20% | +820+26.2% | Added |
| Advisory Services Network, LLC | 3,953 | $3.05M | 0.04% | +65+1.7% | Added |
| Glenview Trust Co | 3,968 | $3.07M | 0.05% | −3−0.1% | Reduced |
| Prudential PLC | 3,988 | $3.08M | 0.02% | +2,073+108.3% | Added |
| Krensavage Asset Management, LLC | 4,000 | $3.09M | 1.21% | 00.0% | Unchanged |
| Sivik Global Healthcare LLC | 4,000 | $3.09M | 2.35% | +4,000 | New |
| Walleye Capital LLC | 4,022 | $3.11M | 0.02% | −31,478−88.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 4,053 | $3.13M | 0.00% | −138−3.3% | Reduced |
| Union Bancaire Privee, UBP SA | 4,374 | $3.20M | 0.06% | +381+9.5% | Added |
| Sarissa Capital Management LP | 4,190 | $3.24M | 2.05% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 4,201 | $3.25M | 0.03% | +2,225+112.6% | Added |
| Andra AP-fonden | 4,232 | $3.27M | 0.04% | +4,232 | New |
| Te Ahumairangi Investment Management Ltd | 4,329 | $3.34M | 0.56% | −220−4.8% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 4,337 | $3.35M | 0.15% | −7−0.2% | Reduced |
| Global X Japan Co., Ltd. | 4,367 | $3.37M | 0.17% | +186+4.4% | Added |
| Tower Research Capital LLC (TRC) | 4,378 | $3.38M | 0.09% | −2,346−34.9% | Reduced |
| Dillon & Associates Inc | 4,391 | $3.39M | 0.47% | +18+0.4% | Added |
| Moran Wealth Management, LLC | 4,398 | $3.40M | 0.10% | −202−4.4% | Reduced |
| Arkadios Wealth Advisors | 4,435 | $3.43M | 0.06% | +1,184+36.4% | Added |
| Metis Global Partners, LLC | 4,448 | $3.44M | 0.08% | −383−7.9% | Reduced |
| Kestra Advisory Services, LLC | 4,470 | $3.45M | 0.01% | +65+1.5% | Added |
| Augustine Asset Management Inc | 4,479 | $3.46M | 0.78% | +8+0.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 4,579 | $3.54M | 0.10% | −52−1.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 4,620 | $3.57M | 0.02% | −63−1.3% | Reduced |
| Atlantic Union Bankshares Corp | 4,634 | $3.58M | 0.07% | −2,232−32.5% | Reduced |
| Oliver Luxxe Assets LLC | 4,641 | $3.59M | 0.54% | +4,641 | New |
| Ameritas Investment Partners, Inc. | 4,656 | $3.60M | 0.11% | +20+0.4% | Added |
| Prospera Financial Services Inc | 4,667 | $3.61M | 0.06% | +115+2.5% | Added |
| Victrix Investment Advisors | 4,766 | $3.68M | 1.34% | −134−2.7% | Reduced |
| Citizens Financial Group Inc | 4,775 | $3.69M | 0.05% | +916+23.7% | Added |
| Asio Capital, LLC | 4,791 | $3.70M | 0.52% | +357+8.1% | Added |
| New Mexico Educational Retirement Board | 4,800 | $3.71M | 0.11% | 00.0% | Unchanged |
| Sanibel Captiva Trust Company, Inc. | 4,812 | $3.72M | 0.10% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 4,825 | $3.73M | 0.11% | +4,825 | New |
| B & T Capital Management DBA Alpha Capital Management | 4,828 | $3.73M | 0.54% | −565−10.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 4,832 | $3.73M | 0.01% | −58−1.2% | Reduced |
| Abn Amro Investment Solutions | 4,860 | $3.76M | 0.05% | +503+11.5% | Added |
| Miracle Mile Advisors, LLC | 4,897 | $3.78M | 0.05% | +1,155+30.9% | Added |
| Generate Investment Management Ltd | 4,908 | $3.79M | 0.19% | +4,908 | New |
| Pine Valley Investments Ltd Liability Co | 4,942 | $3.82M | 0.19% | −970−16.4% | Reduced |
| Nearwater Capital Markets, Ltd | 5,000 | $3.86M | 0.09% | −25,000−83.3% | Reduced |
| JBF Capital, Inc. | 5,000 | $3.86M | 0.57% | 00.0% | Unchanged |
| Siemens Fonds Invest GmbH | 5,017 | $3.88M | 0.22% | −373−6.9% | Reduced |
| Fisher Asset Management, LLC | 5,059 | $3.91M | 0.00% | +69+1.4% | Added |
| CenterBook Partners LP | 5,060 | $3.91M | 0.21% | −25,186−83.3% | Reduced |
| Maryland State Retirement & Pension System | 5,090 | $3.93M | 0.08% | +61+1.2% | Added |
| Linden Thomas Advisory Services, LLC | 5,122 | $3.96M | 0.38% | +662+14.8% | Added |
| Peak Wealth Management LLC | 5,211 | $4.03M | 3.30% | +7+0.1% | Added |
| Buckingham Strategic Partners | 5,290 | $4.09M | 0.04% | +887+20.1% | Added |
| Oxbow Advisors, LLC | 5,334 | $4.12M | 0.35% | +7+0.1% | Added |
| Tema ETFs LLC | 5,360 | $4.14M | 0.28% | +498+10.2% | Added |
| Jane Street Group, LLC | 5,374 | $4.15M | 0.00% | −7,247−57.4% | Reduced |
| AMG National Trust Bank | 5,378 | $4.16M | 0.09% | −161−2.9% | Reduced |
| Emerald Investment Advisers, LLC | 5,388 | $4.16M | 0.37% | +5,388 | New |
| Group One Trading, L.P. | 5,399 | $4.17M | 0.14% | +2,207+69.1% | Added |
| Wiley Bros.-Aintree Capital, LLC | 5,404 | $4.18M | 0.02% | +551+11.4% | Added |
| Motley Fool Wealth Management, LLC | 5,485 | $4.24M | 0.48% | −2,307−29.6% | Reduced |
| Sovran Advisors, LLC | 6,019 | $4.26M | 0.33% | −2,600−30.2% | Reduced |
| Game Creek Capital, LP | 5,525 | $4.27M | 1.64% | −2,910−34.5% | Reduced |
| Veracity Capital LLC | 5,553 | $4.29M | 1.53% | −73−1.3% | Reduced |
| Merit Financial Group, LLC | 5,585 | $4.31M | 0.03% | +1,572+39.2% | Added |
| US Bancorp | 5,628 | $4.35M | 0.01% | +81+1.5% | Added |
| PKO Investment Management Joint-Stock Co | 5,750 | $4.44M | 0.37% | +900+18.6% | Added |
| Hartford Investment Management Co | 5,752 | $4.44M | 0.14% | −69−1.2% | Reduced |
| Madison Asset Management, LLC | 5,784 | $4.47M | 0.06% | −185−3.1% | Reduced |
| Exchange Traded Concepts, LLC | 5,806 | $4.49M | 0.03% | +943+19.4% | Added |
| Warren Averett Asset Management, LLC | 5,895 | $4.56M | 0.03% | +3,250+122.9% | Added |
| Osmosis Investment Management UK Ltd | 5,919 | $4.57M | 0.12% | −113−1.9% | Reduced |
| Legato Capital Management LLC | 6,004 | $4.64M | 0.42% | −2,799−31.8% | Reduced |
| Unison Advisors LLC | 6,029 | $4.66M | 0.35% | +6+0.1% | Added |
| Citizens Business Bank | 6,090 | $4.71M | 0.77% | −92−1.5% | Reduced |
| Mizuho Securities USA LLC | 6,094 | $4.71M | 0.11% | −1,244−17.0% | Reduced |
| Meeder Asset Management Inc | 6,094 | $4.71M | 0.27% | +671+12.4% | Added |
| Brighton Jones LLC | 6,131 | $4.74M | 0.10% | +6,131 | New |
| RSM US Wealth Management LLC | 6,175 | $4.77M | 0.06% | +743+13.7% | Added |
| Gilman Hill Asset Management, LLC | 6,200 | $4.79M | 0.72% | +229+3.8% | Added |
| Ledyard National Bank | 6,226 | $4.81M | 0.42% | +93+1.5% | Added |
| Arnhold LLC | 6,228 | $4.81M | 0.35% | 00.0% | Unchanged |
| MAI Capital Management | 6,357 | $4.91M | 0.03% | +874+15.9% | Added |
| Commerce Bank | 6,448 | $4.98M | 0.02% | +178+2.8% | Added |
| JB Capital LLC | 6,651 | $5.14M | 0.21% | +62+0.9% | Added |
| AE Wealth Management LLC | 6,681 | $5.16M | 0.03% | +1,207+22.0% | Added |
| M&T Bank Corp | 6,750 | $5.22M | 0.02% | +315+4.9% | Added |
| Modera Wealth Management, LLC | 6,751 | $5.22M | 0.06% | −8−0.1% | Reduced |
| Baader Bank INC | 6,811 | $5.26M | 0.52% | +3,958+138.7% | Added |
| Insight Wealth Strategies, LLC | 6,884 | $5.32M | 0.59% | −612−8.2% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 6,900 | $5.33M | 1.08% | +28+0.4% | Added |
| Sicart Associates LLC | 6,961 | $5.38M | 1.38% | 00.0% | Unchanged |