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 |
|---|---|---|---|---|---|
| Allstate Corp | 7,664 | $5.92M | 0.08% | +3,889+103.0% | Added |
| Insight Wealth Strategies, LLC | 7,496 | $5.79M | 0.66% | +218+3.0% | Added |
| Mizuho Securities USA LLC | 7,338 | $5.73M | 0.09% | −82−1.1% | Reduced |
| AIA Group Ltd | 7,408 | $5.72M | 0.09% | −9,779−56.9% | Reduced |
| Shellback Capital, LP | 7,384 | $5.70M | 0.54% | +7,384 | New |
| Sector Gamma AS | 7,165 | $5.53M | 1.26% | +7,165 | New |
| Third View Private Wealth, LLC | 7,149 | $5.52M | 0.74% | +7,149 | New |
| Federation des caisses Desjardins du Quebec | 7,089 | $5.47M | 0.02% | +977+16.0% | Added |
| Intech Investment Management LLC | 7,005 | $5.41M | 0.05% | −277−3.8% | Reduced |
| Sicart Associates LLC | 6,961 | $5.37M | 1.43% | −20−0.3% | Reduced |
| Westpac Banking Corp | 6,888 | $5.32M | 0.34% | +6,073+745.2% | Added |
| Bedell Frazier Investment Counseling, LLC | 6,872 | $5.30M | 1.02% | −21−0.3% | Reduced |
| Atlantic Union Bankshares Corp | 6,866 | $5.30M | 0.10% | −249−3.5% | Reduced |
| TD Waterhouse Canada Inc. | 6,856 | $5.29M | 0.03% | −2,340−25.4% | Reduced |
| ASR Vermogensbeheer N.V. | 6,837 | $5.28M | 0.06% | −80−1.2% | Reduced |
| Omers Administration Corp | 6,794 | $5.24M | 0.04% | +2,954+76.9% | Added |
| Modera Wealth Management, LLC | 6,759 | $5.22M | 0.06% | −115−1.7% | Reduced |
| Tower Research Capital LLC (TRC) | 6,724 | $5.19M | 0.13% | +1,214+22.0% | Added |
| Freemont Management S.A. | 6,600 | $5.09M | 1.00% | +6,600 | New |
| JB Capital LLC | 6,589 | $5.09M | 0.21% | −173−2.6% | Reduced |
| Kentucky Retirement Systems | 6,548 | $5.05M | 0.14% | 00.0% | Unchanged |
| M&T Bank Corp | 6,435 | $4.97M | 0.02% | +1,096+20.5% | Added |
| J. Goldman & Co LP | 6,352 | $4.90M | 0.19% | −14,914−70.1% | Reduced |
| Cinctive Capital Management LP | 6,343 | $4.90M | 0.28% | +4,406+227.5% | Added |
| Commerce Bank | 6,270 | $4.84M | 0.03% | +60+1.0% | Added |
| Arnhold LLC | 6,228 | $4.81M | 0.36% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 6,207 | $4.79M | 0.04% | +1,974+46.6% | Added |
| Evergreen Capital Management LLC | 6,201 | $4.79M | 0.11% | +287+4.9% | Added |
| Citizens Business Bank | 6,182 | $4.77M | 0.79% | +63+1.0% | Added |
| Ledyard National Bank | 6,133 | $4.73M | 0.41% | +11+0.2% | Added |
| K.J. Harrison & Partners Inc | 6,091 | $4.70M | 0.63% | +2,000+48.9% | Added |
| Osmosis Investment Management UK Ltd | 6,032 | $4.66M | 0.12% | +6,032 | New |
| Unison Advisors LLC | 6,023 | $4.65M | 0.41% | +8+0.1% | Added |
| La Banque Postale Asset Management SA | 5,983 | $4.62M | 0.05% | −12,873−68.3% | Reduced |
| Gilman Hill Asset Management, LLC | 5,971 | $4.61M | 0.73% | +450+8.2% | Added |
| Madison Asset Management, LLC | 5,969 | $4.61M | 0.05% | −142−2.3% | Reduced |
| Pine Valley Investments Ltd Liability Co | 5,912 | $4.56M | 0.23% | −591−9.1% | Reduced |
| Jefferies Financial Group Inc. | 5,885 | $4.54M | 0.04% | −19,650−77.0% | Reduced |
| Hartford Investment Management Co | 5,821 | $4.49M | 0.13% | −143−2.4% | Reduced |
| Veracity Capital LLC | 5,626 | $4.34M | 1.29% | +4+0.1% | Added |
| US Bancorp | 5,547 | $4.28M | 0.01% | −155−2.7% | Reduced |
| AMG National Trust Bank | 5,539 | $4.28M | 0.10% | −249−4.3% | Reduced |
| MAI Capital Management | 5,483 | $4.23M | 0.02% | +4,455+433.4% | Added |
| AE Wealth Management LLC | 5,474 | $4.23M | 0.02% | +1,470+36.7% | Added |
| RSM US Wealth Management LLC | 5,432 | $4.20M | 0.05% | −71−1.3% | Reduced |
| Meeder Asset Management Inc | 5,423 | $4.19M | 0.23% | +893+19.7% | Added |
| Siemens Fonds Invest GmbH | 5,390 | $4.17M | 0.22% | −636−10.6% | Reduced |
| B & T Capital Management DBA Alpha Capital Management | 5,393 | $4.16M | 0.59% | −119−2.2% | Reduced |
| Gulf International Bank (UK) Ltd | 5,349 | $4.13M | 0.13% | +11+0.2% | Added |
| Oxbow Advisors, LLC | 5,327 | $4.11M | 0.36% | +80+1.5% | Added |
| Peak Wealth Management LLC | 5,204 | $4.02M | 3.36% | +5,204 | New |
| Shufro Rose & Co LLC | 2,635 | $3.96M | 0.27% | +12+0.5% | Added |
| Osprey Private Wealth LLC | 5,035 | $3.89M | 1.12% | +1,796+55.4% | Added |
| Maryland State Retirement & Pension System | 5,029 | $3.88M | 0.08% | −120−2.3% | Reduced |
| JBF Capital, Inc. | 5,000 | $3.86M | 0.56% | +5,000 | New |
| Fisher Asset Management, LLC | 4,990 | $3.85M | 0.00% | +353+7.6% | Added |
| Victrix Investment Advisors | 4,900 | $3.78M | 1.46% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 4,890 | $3.77M | 0.01% | +869+21.6% | Added |
| Exchange Traded Concepts, LLC | 4,863 | $3.75M | 0.03% | −446−8.4% | Reduced |
| Tema ETFs LLC | 4,862 | $3.75M | 0.29% | −509−9.5% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 4,853 | $3.75M | 0.02% | +1,387+40.0% | Added |
| PKO Investment Management Joint-Stock Co | 4,850 | $3.74M | 0.30% | −6,350−56.7% | Reduced |
| Metis Global Partners, LLC | 4,831 | $3.73M | 0.09% | −380−7.3% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 4,812 | $3.71M | 0.10% | −10−0.2% | Reduced |
| New Mexico Educational Retirement Board | 4,800 | $3.71M | 0.11% | +100+2.1% | Added |
| Steward Partners Investment Advisory, LLC | 4,683 | $3.61M | 0.02% | −811−14.8% | Reduced |
| L & S Advisors Inc | 4,653 | $3.59M | 0.33% | +4,653 | New |
| Ameritas Investment Partners, Inc. | 4,636 | $3.58M | 0.11% | +230+5.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 4,631 | $3.57M | 0.09% | −148−3.1% | Reduced |
| Moran Wealth Management, LLC | 4,600 | $3.55M | 0.11% | +99+2.2% | Added |
| Edgestream Partners, L.P. | 4,591 | $3.54M | 0.10% | −4,294−48.3% | Reduced |
| Prospera Financial Services Inc | 4,552 | $3.51M | 0.06% | −4,214−48.1% | Reduced |
| Te Ahumairangi Investment Management Ltd | 4,549 | $3.51M | 0.63% | −1,711−27.3% | Reduced |
| Augustine Asset Management Inc | 4,471 | $3.45M | 0.69% | −6−0.1% | Reduced |
| Linden Thomas Advisory Services, LLC | 4,460 | $3.44M | 0.35% | +47+1.1% | Added |
| Asio Capital, LLC | 4,434 | $3.42M | 0.48% | +4,434 | New |
| Kestra Advisory Services, LLC | 4,405 | $3.40M | 0.01% | +571+14.9% | Added |
| Buckingham Strategic Partners | 4,403 | $3.40M | 0.04% | +1,494+51.4% | Added |
| Bessemer Group Inc | 4,381 | $3.38M | 0.01% | +1,710+64.0% | Added |
| Dillon & Associates Inc | 4,373 | $3.38M | 0.44% | −524−10.7% | Reduced |
| Abn Amro Investment Solutions | 4,357 | $3.36M | 0.05% | −2,427−35.8% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 4,344 | $3.35M | 0.15% | −109−2.4% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 4,340 | $3.35M | 0.69% | +4,340 | New |
| Benjamin Edwards Inc | 4,304 | $3.32M | 0.04% | −132−3.0% | Reduced |
| Ostrum Asset Management | 4,286 | $3.31M | 0.16% | −2,145−33.4% | Reduced |
| Royal London Asset Management Ltd | 4,220 | $3.26M | 0.01% | −287−6.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 4,191 | $3.24M | 0.00% | +1,015+32.0% | Added |
| Sarissa Capital Management LP | 4,190 | $3.23M | 1.45% | 00.0% | Unchanged |
| Global X Japan Co., Ltd. | 4,181 | $3.23M | 0.25% | +3,261+354.5% | Added |
| MUFG Securities EMEA plc | 4,132 | $3.19M | 0.04% | +2,182+111.9% | Added |
| Merit Financial Group, LLC | 4,013 | $3.10M | 0.02% | +2,154+115.9% | Added |
| Stiles Financial Services Inc | 4,011 | $3.10M | 0.95% | −342−7.9% | Reduced |
| Krensavage Asset Management, LLC | 4,000 | $3.09M | 1.09% | 00.0% | Unchanged |
| SG Trading Solutions, LLC | 3,992 | $3.08M | 0.72% | +3,992 | New |
| Signet Financial Management, LLC | 3,972 | $3.07M | 0.34% | −23−0.6% | Reduced |
| Glenview Trust Co | 3,971 | $3.07M | 0.05% | +3+0.1% | Added |
| Union Bancaire Privee, UBP SA | 3,993 | $3.02M | 0.05% | +3,476+672.3% | Added |
| Sepio Capital, LP | 3,901 | $3.01M | 0.16% | −79−2.0% | Reduced |
| Horizon Investments, LLC | 3,892 | $3.00M | 0.04% | −15,137−79.5% | Reduced |
| Advisory Services Network, LLC | 3,888 | $3.00M | 0.04% | −93−2.3% | Reduced |