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 |
|---|---|---|---|---|---|
| Northwestern Mutual Wealth Management Co | 4,191 | $3.24M | 0.00% | +1,015+32.0% | Added |
| Royal London Asset Management Ltd | 4,220 | $3.26M | 0.01% | −287−6.4% | Reduced |
| Ostrum Asset Management | 4,286 | $3.31M | 0.16% | −2,145−33.4% | Reduced |
| Benjamin Edwards Inc | 4,304 | $3.32M | 0.04% | −132−3.0% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 4,340 | $3.35M | 0.69% | +4,340 | New |
| AG2R la Mondiale Gestion D'Actifs | 4,344 | $3.35M | 0.15% | −109−2.4% | Reduced |
| Abn Amro Investment Solutions | 4,357 | $3.36M | 0.05% | −2,427−35.8% | Reduced |
| Dillon & Associates Inc | 4,373 | $3.38M | 0.44% | −524−10.7% | Reduced |
| Bessemer Group Inc | 4,381 | $3.38M | 0.01% | +1,710+64.0% | Added |
| Buckingham Strategic Partners | 4,403 | $3.40M | 0.04% | +1,494+51.4% | Added |
| Kestra Advisory Services, LLC | 4,405 | $3.40M | 0.01% | +571+14.9% | Added |
| Asio Capital, LLC | 4,434 | $3.42M | 0.48% | +4,434 | New |
| Linden Thomas Advisory Services, LLC | 4,460 | $3.44M | 0.35% | +47+1.1% | Added |
| Augustine Asset Management Inc | 4,471 | $3.45M | 0.69% | −6−0.1% | Reduced |
| Te Ahumairangi Investment Management Ltd | 4,549 | $3.51M | 0.63% | −1,711−27.3% | Reduced |
| Prospera Financial Services Inc | 4,552 | $3.51M | 0.06% | −4,214−48.1% | Reduced |
| Edgestream Partners, L.P. | 4,591 | $3.54M | 0.10% | −4,294−48.3% | Reduced |
| Moran Wealth Management, LLC | 4,600 | $3.55M | 0.11% | +99+2.2% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 4,631 | $3.57M | 0.09% | −148−3.1% | Reduced |
| Ameritas Investment Partners, Inc. | 4,636 | $3.58M | 0.11% | +230+5.2% | Added |
| L & S Advisors Inc | 4,653 | $3.59M | 0.33% | +4,653 | New |
| Steward Partners Investment Advisory, LLC | 4,683 | $3.61M | 0.02% | −811−14.8% | Reduced |
| New Mexico Educational Retirement Board | 4,800 | $3.71M | 0.11% | +100+2.1% | Added |
| Sanibel Captiva Trust Company, Inc. | 4,812 | $3.71M | 0.10% | −10−0.2% | Reduced |
| Metis Global Partners, LLC | 4,831 | $3.73M | 0.09% | −380−7.3% | Reduced |
| PKO Investment Management Joint-Stock Co | 4,850 | $3.74M | 0.30% | −6,350−56.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 4,853 | $3.75M | 0.02% | +1,387+40.0% | Added |
| Tema ETFs LLC | 4,862 | $3.75M | 0.29% | −509−9.5% | Reduced |
| Exchange Traded Concepts, LLC | 4,863 | $3.75M | 0.03% | −446−8.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 4,890 | $3.77M | 0.01% | +869+21.6% | Added |
| Victrix Investment Advisors | 4,900 | $3.78M | 1.46% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 4,990 | $3.85M | 0.00% | +353+7.6% | Added |
| JBF Capital, Inc. | 5,000 | $3.86M | 0.56% | +5,000 | New |
| Maryland State Retirement & Pension System | 5,029 | $3.88M | 0.08% | −120−2.3% | Reduced |
| Osprey Private Wealth LLC | 5,035 | $3.89M | 1.12% | +1,796+55.4% | Added |
| Shufro Rose & Co LLC | 2,635 | $3.96M | 0.27% | +12+0.5% | Added |
| Peak Wealth Management LLC | 5,204 | $4.02M | 3.36% | +5,204 | New |
| Oxbow Advisors, LLC | 5,327 | $4.11M | 0.36% | +80+1.5% | Added |
| Gulf International Bank (UK) Ltd | 5,349 | $4.13M | 0.13% | +11+0.2% | Added |
| B & T Capital Management DBA Alpha Capital Management | 5,393 | $4.16M | 0.59% | −119−2.2% | Reduced |
| Siemens Fonds Invest GmbH | 5,390 | $4.17M | 0.22% | −636−10.6% | Reduced |
| Meeder Asset Management Inc | 5,423 | $4.19M | 0.23% | +893+19.7% | Added |
| RSM US Wealth Management LLC | 5,432 | $4.20M | 0.05% | −71−1.3% | Reduced |
| AE Wealth Management LLC | 5,474 | $4.23M | 0.02% | +1,470+36.7% | Added |
| MAI Capital Management | 5,483 | $4.23M | 0.02% | +4,455+433.4% | Added |
| AMG National Trust Bank | 5,539 | $4.28M | 0.10% | −249−4.3% | Reduced |
| US Bancorp | 5,547 | $4.28M | 0.01% | −155−2.7% | Reduced |
| Veracity Capital LLC | 5,626 | $4.34M | 1.29% | +4+0.1% | Added |
| Hartford Investment Management Co | 5,821 | $4.49M | 0.13% | −143−2.4% | Reduced |
| Jefferies Financial Group Inc. | 5,885 | $4.54M | 0.04% | −19,650−77.0% | Reduced |
| Pine Valley Investments Ltd Liability Co | 5,912 | $4.56M | 0.23% | −591−9.1% | Reduced |
| Madison Asset Management, LLC | 5,969 | $4.61M | 0.05% | −142−2.3% | Reduced |
| Gilman Hill Asset Management, LLC | 5,971 | $4.61M | 0.73% | +450+8.2% | Added |
| La Banque Postale Asset Management SA | 5,983 | $4.62M | 0.05% | −12,873−68.3% | Reduced |
| Unison Advisors LLC | 6,023 | $4.65M | 0.41% | +8+0.1% | Added |
| Osmosis Investment Management UK Ltd | 6,032 | $4.66M | 0.12% | +6,032 | New |
| K.J. Harrison & Partners Inc | 6,091 | $4.70M | 0.63% | +2,000+48.9% | Added |
| Ledyard National Bank | 6,133 | $4.73M | 0.41% | +11+0.2% | Added |
| Citizens Business Bank | 6,182 | $4.77M | 0.79% | +63+1.0% | Added |
| Evergreen Capital Management LLC | 6,201 | $4.79M | 0.11% | +287+4.9% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 6,207 | $4.79M | 0.04% | +1,974+46.6% | Added |
| Arnhold LLC | 6,228 | $4.81M | 0.36% | 00.0% | Unchanged |
| Commerce Bank | 6,270 | $4.84M | 0.03% | +60+1.0% | Added |
| Cinctive Capital Management LP | 6,343 | $4.90M | 0.28% | +4,406+227.5% | Added |
| J. Goldman & Co LP | 6,352 | $4.90M | 0.19% | −14,914−70.1% | Reduced |
| M&T Bank Corp | 6,435 | $4.97M | 0.02% | +1,096+20.5% | Added |
| Kentucky Retirement Systems | 6,548 | $5.05M | 0.14% | 00.0% | Unchanged |
| JB Capital LLC | 6,589 | $5.09M | 0.21% | −173−2.6% | Reduced |
| Freemont Management S.A. | 6,600 | $5.09M | 1.00% | +6,600 | New |
| Tower Research Capital LLC (TRC) | 6,724 | $5.19M | 0.13% | +1,214+22.0% | Added |
| Modera Wealth Management, LLC | 6,759 | $5.22M | 0.06% | −115−1.7% | Reduced |
| Omers Administration Corp | 6,794 | $5.24M | 0.04% | +2,954+76.9% | Added |
| ASR Vermogensbeheer N.V. | 6,837 | $5.28M | 0.06% | −80−1.2% | Reduced |
| TD Waterhouse Canada Inc. | 6,856 | $5.29M | 0.03% | −2,340−25.4% | Reduced |
| Atlantic Union Bankshares Corp | 6,866 | $5.30M | 0.10% | −249−3.5% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 6,872 | $5.30M | 1.02% | −21−0.3% | Reduced |
| Westpac Banking Corp | 6,888 | $5.32M | 0.34% | +6,073+745.2% | Added |
| Sicart Associates LLC | 6,961 | $5.37M | 1.43% | −20−0.3% | Reduced |
| Intech Investment Management LLC | 7,005 | $5.41M | 0.05% | −277−3.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 7,089 | $5.47M | 0.02% | +977+16.0% | Added |
| Third View Private Wealth, LLC | 7,149 | $5.52M | 0.74% | +7,149 | New |
| Sector Gamma AS | 7,165 | $5.53M | 1.26% | +7,165 | New |
| Shellback Capital, LP | 7,384 | $5.70M | 0.54% | +7,384 | New |
| AIA Group Ltd | 7,408 | $5.72M | 0.09% | −9,779−56.9% | Reduced |
| Mizuho Securities USA LLC | 7,338 | $5.73M | 0.09% | −82−1.1% | Reduced |
| Insight Wealth Strategies, LLC | 7,496 | $5.79M | 0.66% | +218+3.0% | Added |
| Allstate Corp | 7,664 | $5.92M | 0.08% | +3,889+103.0% | Added |
| Generali Asset Management SPA SGR | 7,666 | $5.92M | 0.12% | −4,354−36.2% | Reduced |
| Thrivent Financial for Lutherans | 7,749 | $5.98M | 0.01% | +214+2.8% | Added |
| Atlas Capital Advisors LLC | 7,758 | $5.99M | 0.67% | +7,758 | New |
| Motley Fool Wealth Management, LLC | 7,792 | $6.01M | 0.47% | −1,830−19.0% | Reduced |
| Hudson Capital Management LLC | 7,807 | $6.03M | 1.51% | +410+5.5% | Added |
| Perigon Wealth Management, LLC | 7,836 | $6.05M | 0.11% | +1,135+16.9% | Added |
| Harvest Fund Management Co., Ltd | 7,954 | $6.14M | 0.23% | +1,561+24.4% | Added |
| Tang Capital Management LLC | 8,000 | $6.17M | 0.31% | −2,000−20.0% | Reduced |
| Ellerson Group Inc | 8,035 | $6.20M | 4.20% | −67−0.8% | Reduced |
| Wealthfront Advisers LLC | 8,142 | $6.28M | 0.01% | +2,202+37.1% | Added |
| Founders Capital Management, LLC | 8,203 | $6.33M | 0.94% | −74−0.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 8,244 | $6.36M | 0.05% | 00.0% | Unchanged |
| Sovran Advisors, LLC | 8,619 | $6.39M | 0.54% | −2,519−22.6% | Reduced |