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 4 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 |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 144,970 | $111.9M | 0.08% | −85,257−37.0% | Reduced |
| Raymond James Financial Inc | 149,610 | $115.5M | 0.04% | +11,104+8.0% | Added |
| D. E. Shaw & Co., Inc. | 155,475 | $120.0M | 0.09% | −706,118−82.0% | Reduced |
| California State Teachers Retirement System | 158,680 | $122.5M | 0.12% | −4,155−2.6% | Reduced |
| Rhumbline Advisers | 160,805 | $124.1M | 0.10% | −7,196−4.3% | Reduced |
| Standard Life Aberdeen plc | 161,738 | $124.8M | 0.19% | +10,235+6.8% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 165,792 | $128.0M | 5.70% | +21,185+14.7% | Added |
| LSV Asset Management | 166,514 | $128.5M | 0.28% | +110,914+199.5% | Added |
| Canada Pension Plan Investment Board | 168,367 | $130.0M | 0.09% | +9,545+6.0% | Added |
| Allianz Asset Management GmbH | 168,614 | $130.1M | 0.15% | +152,202+927.4% | Added |
| Sound Shore Management Inc | 175,887 | $135.8M | 4.32% | +60,859+52.9% | Added |
| Bronte Capital Management Pty Ltd. | 176,768 | $136.4M | 14.26% | −3,515−1.9% | Reduced |
| ProShare Advisors LLC | 184,286 | $142.2M | 0.25% | +49,132+36.4% | Added |
| Arrowstreet Capital, Limited Partnership | 194,695 | $150.3M | 0.09% | +2,111+1.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 200,747 | $155.0M | 0.42% | −2,405−1.2% | Reduced |
| California Public Employees Retirement System | 201,090 | $155.2M | 0.09% | −2,024−1.0% | Reduced |
| Polar Capital Holdings Plc | 204,927 | $158.2M | 0.72% | +46,110+29.0% | Added |
| Candriam Luxembourg S.C.A. | 205,332 | $158.5M | 0.79% | +35,837+21.1% | Added |
| Janus Henderson Group PLC | 205,672 | $158.8M | 0.07% | +131,929+178.9% | Added |
| First Trust Advisors LP | 205,732 | $158.8M | 0.12% | +7,475+3.8% | Added |
| McDonald Capital Investors Inc | 208,241 | $160.7M | 9.86% | −5,090−2.4% | Reduced |
| 1832 Asset Management L.P. | 216,864 | $167.4M | 0.21% | +216,864 | New |
| Man Group plc | 218,112 | $168.4M | 0.32% | −53,595−19.7% | Reduced |
| Russell Investments Group, Ltd. | 221,090 | $170.7M | 0.19% | −7,738−3.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 224,857 | $174.6M | 0.12% | +8,688+4.0% | Added |
| Swedbank AB | 227,779 | $175.8M | 0.17% | +20,409+9.8% | Added |
| Assenagon Asset Management S.A. | 233,231 | $180.0M | 0.27% | −244,579−51.2% | Reduced |
| Citigroup Inc | 245,335 | $189.4M | 0.13% | +107,144+77.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 246,476 | $190.3M | 0.22% | +11,644+5.0% | Added |
| Federated Hermes, Inc. | 246,619 | $190.4M | 0.32% | +10,419+4.4% | Added |
| Robeco Institutional Asset Management B.V. | 261,850 | $202.1M | 0.29% | +140,966+116.6% | Added |
| Point72 Asset Management, L.P. | 262,527 | $202.6M | 0.32% | +61,028+30.3% | Added |
| Jacobs Levy Equity Management, Inc | 264,991 | $204.5M | 0.79% | −22,890−8.0% | Reduced |
| DekaBank Deutsche Girozentrale | 211,207 | $206.8M | 0.39% | 00.0% | Unchanged |
| UBS Group AG | 271,158 | $209.3M | 0.04% | −68,331−20.1% | Reduced |
| Two Sigma Investments, LP | 281,151 | $217.0M | 0.32% | −188,752−40.2% | Reduced |
| Epoch Investment Partners, Inc. | 281,335 | $217.2M | 1.23% | +22,182+8.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 285,031 | $220.0M | 0.13% | −22,258−7.2% | Reduced |
| Swiss National Bank | 285,460 | $220.3M | 0.13% | −20,540−6.7% | Reduced |
| Ameriprise Financial Inc | 291,919 | $225.6M | 0.05% | +8,814+3.1% | Added |
| Voya Investment Management LLC | 294,049 | $226.8M | 0.22% | +166,513+130.6% | Added |
| Barclays PLC | 311,167 | $240.2M | 0.10% | −14,754−4.5% | Reduced |
| HSBC Holdings PLC | 318,808 | $246.2M | 0.14% | −51,157−13.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 342,319 | $264.2M | 0.45% | −120,183−26.0% | Reduced |
| Royal Bank of Canada | 345,219 | $266.5M | 0.05% | −27,876−7.5% | Reduced |
| National Pension Service | 360,988 | $278.6M | 0.21% | +82,853+29.8% | Added |
| Pictet Asset Management Holding SA | 367,870 | $284.7M | 0.28% | +44,500+13.8% | Added |
| Millennium Management LLC | 379,768 | $293.1M | 0.21% | +178,688+88.9% | Added |
| TD Asset Management Inc | 397,552 | $306.9M | 0.25% | +23,288+6.2% | Added |
| Pacer Advisors, Inc. | 397,666 | $306.9M | 0.80% | −47,659−10.7% | Reduced |
| Manufacturers Life Insurance Company, The | 421,229 | $325.3M | 0.27% | +40,214+10.6% | Added |
| Neuberger Berman Group LLC | 422,127 | $325.8M | 0.24% | +6,413+1.5% | Added |
| BNP Paribas Arbitrage, SA | 440,844 | $340.3M | 0.22% | −36,808−7.7% | Reduced |
| Acadian Asset Management LLC | 445,795 | $344.0M | 0.56% | −138,710−23.7% | Reduced |
| Holocene Advisors, LP | 460,723 | $355.6M | 0.75% | +308,990+203.6% | Added |
| Alliancebernstein L.P. | 478,389 | $369.3M | 0.12% | −45,494−8.7% | Reduced |
| Marshall Wace, LLP | 478,551 | $369.4M | 0.36% | +91,667+23.7% | Added |
| Dimensional Fund Advisors LP | 499,544 | $385.6M | 0.08% | +448+0.1% | Added |
| FIL Ltd | 529,190 | $408.5M | 0.31% | +341,666+182.2% | Added |
| American Century Companies Inc | 551,487 | $425.7M | 0.21% | −109,108−16.5% | Reduced |
| Two Sigma Advisers, LP | 604,540 | $466.6M | 0.91% | −321,660−34.7% | Reduced |
| Wellington Management Group LLP | 664,465 | $512.9M | 0.09% | +656,845+8,620.0% | Added |
| Legal & General Group Plc | 743,027 | $573.5M | 0.13% | −27,332−3.5% | Reduced |
| UBS Asset Management Americas Inc | 745,233 | $575.2M | 0.12% | +1,060+0.1% | Added |
| Deutsche Bank AG | 763,926 | $589.7M | 0.19% | +67,245+9.7% | Added |
| Bank of New York Mellon Corp | 764,242 | $589.9M | 0.10% | +92,612+13.8% | Added |
| Charles Schwab Investment Management Inc | 778,001 | $600.5M | 0.09% | +22,436+3.0% | Added |
| Amundi | 791,906 | $611.2M | 0.17% | +170,165+27.4% | Added |
| Northern Trust Corp | 944,933 | $729.4M | 0.09% | −39,859−4.0% | Reduced |
| AQR Capital Management LLC | 995,710 | $768.5M | 0.40% | +274,356+38.0% | Added |
| Goldman Sachs Group Inc | 1,097,327 | $847.0M | 0.12% | +144,488+15.2% | Added |
| Bank of America Corp | 1,157,426 | $893.4M | 0.06% | +3,493+0.3% | Added |
| Norges Bank | 1,311,485 | $1.01B | 0.11% | +1,311,485 | New |
| Morgan Stanley | 1,389,323 | $1.07B | 0.06% | −61,649−4.2% | Reduced |
| Capital World Investors | 1,398,003 | $1.08B | 0.15% | −600,363−30.0% | Reduced |
| Loomis Sayles & Co L P | 1,934,326 | $1.49B | 1.80% | −45,127−2.3% | Reduced |
| Price T Rowe Associates Inc | 1,949,797 | $1.50B | 0.16% | +1,144,887+142.2% | Added |
| Nuveen, LLC | 2,010,517 | $1.55B | 0.41% | +835,240+71.1% | Added |
| FMR LLC | 2,319,566 | $1.79B | 0.09% | +383,731+19.8% | Added |
| Geode Capital Management, LLC | 2,519,540 | $1.94B | 0.12% | −16,358−0.6% | Reduced |
| Franklin Resources Inc | 2,560,004 | $1.98B | 0.49% | +106,861+4.4% | Added |
| Invesco Ltd. | 3,911,496 | $3.02B | 0.28% | +2,427,023+163.5% | Added |
| JPMorgan Chase & Co | 3,940,160 | $3.04B | 0.20% | −132,166−3.2% | Reduced |
| Dodge & Cox | 4,596,358 | $3.55B | 1.92% | +45,513+1.0% | Added |
| State Street Corp | 4,660,808 | $3.60B | 0.12% | −30,415−0.6% | Reduced |
| BlackRock, Inc. | 8,741,270 | $6.75B | 0.11% | −95,904−1.1% | Reduced |
| Vanguard Group Inc | 9,075,153 | $7.00B | 0.10% | +26,884+0.3% | Added |
| Capital International Investors | 0 | $0 | 0.00% | −876,564−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −172,836−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −98,849−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −58,834−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Ruffer LLP | 0 | $0 | 0.00% | −21,540−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −19,890−100.0% | Sold out |
| Generate Investment Management Ltd | 0 | $0 | 0.00% | −18,778−100.0% | Sold out |
| Solas Capital Management, LLC | 0 | $0 | 0.00% | −18,218−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −17,730−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −14,026−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −13,831−100.0% | Sold out |
| Hamilton Wealth, LLC | 0 | $0 | 0.00% | −12,581−100.0% | Sold out |