Regeneron PharmaceuticalsREGN
13F holders, Q1 2026 (March 31)1,399holders +12
109new positions
98sold out
11famous investors
$770.88avg. 13F price*
At the end of Q1 2026, 1,399 institutions reported holding Regeneron Pharmaceuticals (REGN) in their 13F filings, up 12 from Q4 2025. 109 opened new positions and 98 sold out. The largest holders were BlackRock, Inc. ($6.9B), Vanguard Capital Management LLC ($5.1B) and State Street Corp. ($3.6B). 11 famous investors held it, including Cliff Asness (0.4% of AQR Capital Management's portfolio), Joel Greenblatt (0.2% of Gotham Asset Management's portfolio) and Jeremy Grantham (0.1% of GMO's portfolio).
- Company
- Regeneron Pharmaceuticals
- Sector
- Health Care
- CUSIP
- 75886F107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 109 | $262.8M |
| Exits | 98 | $569.6M |
All 13F filers, Q4 2025 → Q1 2026: 6,432,984 shares bought and 5,812,114 shares sold, net +620,870 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,399 holders
| BlackRock, Inc. | 0.12% | Add +2.4% | 8,947,735 | $6.9B |
| Vanguard Capital Management LLC | 0.13% | — | 6,654,913 | $5.1B |
| State Street Corp. | 0.12% | Add +0.1% | 4,664,478 | $3.6B |
| Dodge & Cox | 1.89% | Reduce -3.0% | 4,458,238 | $3.4B |
| JPMorgan Chase & Co. | 0.22% | Add +9.4% | 4,311,806 | $3.2B |
| Invesco Ltd. | 0.29% | Reduce -0.2% | 3,905,109 | $3.0B |
| Franklin Resources Inc. | 0.52% | Add +6.3% | 2,722,071 | $2.1B |
| Geode Capital Management, LLC | 0.12% | Add +3.5% | 2,607,732 | $2.0B |
| T. Rowe Price Associates Inc. | 0.20% | Add +11.7% | 2,177,527 | $1.7B |
| Nuveen, LLC | 0.43% | Add +2.7% | 2,065,064 | $1.6B |
| Loomis Sayles & Co. L P | 1.99% | Reduce -1.1% | 1,912,310 | $1.5B |
| Wellington Management Group LLP | 0.27% | Add +176.5% | 1,837,459 | $1.4B |
| Vanguard Portfolio Management LLC | 0.07% | — | 1,720,774 | $1.3B |
| FMR LLC | 0.06% | Reduce -34.5% | 1,518,192 | $1.2B |
| Capital World Investors | 0.15% | Add +1.5% | 1,419,000 | $1.1B |
| Morgan Stanley | 0.06% | Reduce -5.0% | 1,319,329 | $1.0B |
| Goldman Sachs Group Inc. | 0.13% | Add +18.5% | 1,300,558 | $1.0B |
| AQR Capital Management | 0.43% | Add +23.6% | 1,231,008 | $946.0M |
| Bank of America Corp. | 0.07% | Add +2.8% | 1,189,584 | $919.1M |
| Amundi | 0.21% | Add +27.5% | 1,009,798 | $780.2M |
| Northern Trust Corp. | 0.10% | Reduce -0.3% | 941,941 | $727.8M |
| Two Sigma Investments, LP | 0.54% | Add +188.9% | 812,236 | $627.6M |
| Charles Schwab Investment Management Inc. | 0.10% | Add +3.4% | 804,508 | $621.6M |
| Bank of New York Mellon Corp | 0.11% | Add +0.1% | 765,411 | $591.4M |
| Legal & General Group Plc | 0.13% | Reduce -1.5% | 732,054 | $565.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.12% | Reduce -2.9% | 723,621 | $559.1M |
| Deutsche Bank AG | 0.16% | Reduce -18.1% | 625,388 | $483.2M |
| Vanguard Fiduciary Trust Co. | 0.11% | — | 569,940 | $440.4M |
| American Century Companies Inc. | 0.22% | Add +1.9% | 562,097 | $434.3M |
| Dimensional Fund Advisors LP | 0.08% | Add +2.7% | 513,060 | $396.3M |
| BNP Paribas Financial Markets | 0.23% | Add +1.7% | 448,371 | $346.4M |
| Neuberger Berman Group LLC | 0.25% | Add +1.2% | 427,129 | $330.1M |
| Alliancebernstein L.P. | 0.11% | Reduce -10.8% | 426,914 | $329.5M |
| Manufacturers Life Insurance Company, The | 0.27% | Reduce -2.9% | 408,931 | $316.0M |
| National Pension Service | 0.22% | Add +2.9% | 371,551 | $287.1M |
| Pacer Advisors, Inc. | 0.79% | Reduce -9.8% | 358,633 | $277.1M |
| Royal Bank of Canada | 0.05% | Add +1.7% | 351,171 | $271.3M |
| TD Asset Management Inc | 0.22% | Reduce -11.7% | 350,923 | $271.1M |
| Voya Investment Management LLC | 0.32% | Add +19.0% | 349,912 | $270.1M |
| Robeco Institutional Asset Management B.V. | 0.38% | Add +33.2% | 348,787 | $269.5M |
| First Trust Advisors LP | 0.19% | Add +68.6% | 346,855 | $268.0M |
| Pictet Asset Management Holding SA | 0.27% | Reduce -8.3% | 337,254 | $258.4M |
| Caisse de depot et placement du Quebec | 0.41% | Reduce -3.9% | 329,018 | $254.2M |
| HSBC Holdings PLC | 0.15% | Add +1.4% | 323,338 | $249.7M |
| Ameriprise Financial Inc. | 0.06% | Add +9.5% | 319,677 | $247.1M |
| Man Group plc | 0.51% | Add +44.5% | 315,212 | $243.5M |
| Barclays PLC | 0.09% | Add +0.6% | 313,093 | $241.9M |
| FIL Ltd | 0.19% | Reduce -41.5% | 309,509 | $239.1M |
| Swiss National Bank | 0.13% | Add +6.2% | 303,140 | $234.2M |
| Allianz Asset Management GmbH | 0.27% | Add +78.6% | 301,196 | $232.7M |
| UBS Group AG | 0.04% | Add +10.6% | 299,979 | $231.8M |
| Bellevue Group AG | 5.12% | Add +1900.8% | 278,674 | $215.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.14% | Reduce -4.0% | 273,669 | $211.4M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.24% | Add +10.8% | 273,120 | $211.0M |
| Federated Hermes, Inc. | 0.32% | Add +3.4% | 254,946 | $197.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.12% | Add +7.0% | 240,600 | $185.9M |
| Epoch Investment Partners, Inc. | 1.12% | Reduce -15.2% | 238,725 | $184.4M |
| Vanguard Global Advisers, LLC | 0.09% | — | 228,491 | $176.5M |
| Russell Investments Group, Ltd. | 0.19% | Add +3.2% | 228,086 | $175.7M |
| California Public Employees Retirement System | 0.10% | Add +8.8% | 218,772 | $169.0M |
| Swedbank AB | 0.18% | Reduce -5.3% | 215,590 | $166.6M |
| Jacobs Levy Equity Management, Inc. | 0.70% | Reduce -19.2% | 214,160 | $165.5M |
| Janus Henderson Group PLC | 0.08% | Add +1.7% | 209,248 | $161.6M |
| DekaBank Deutsche Girozentrale | 0.27% | No change | 211,207 | $160.9M |
| Assenagon Asset Management S.A. | 0.26% | Reduce -10.9% | 207,788 | $160.5M |
| McDonald Capital Investors Inc. | 10.88% | Reduce -1.1% | 205,871 | $159.1M |
| Chevy Chase Trust Holdings, LLC | 0.46% | Add +2.5% | 205,833 | $159.0M |
| LSV Asset Management | 0.33% | Add +17.9% | 196,279 | $151.7M |
| Polar Capital Holdings Plc | 0.65% | Reduce -6.0% | 192,546 | $148.8M |
| Canada Pension Plan Investment Board | 0.09% | Add +11.4% | 187,553 | $144.9M |
| Candriam S.C.A. | 0.75% | Reduce -9.2% | 186,388 | $144.0M |
| Citigroup Inc. | 0.09% | Reduce -24.7% | 184,691 | $142.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.12% | — | 176,342 | $136.2M |
| Bronte Capital Management Pty Ltd. | 14.19% | Reduce -2.3% | 172,787 | $133.5M |
| Arrowstreet Capital, Limited Partnership | 0.07% | Reduce -11.9% | 171,571 | $132.6M |
| Raymond James Financial Inc. | 0.04% | Add +10.7% | 165,542 | $127.9M |
| Squarepoint Ops LLC | 0.27% | Add +5961.6% | 162,814 | $125.8M |
| SG Americas Securities, LLC | 0.14% | Add +20.7% | 158,278 | $122.3M |
| Rhumbline Advisers | 0.10% | Reduce -1.9% | 157,781 | $121.9M |
| California State Teachers Retirement System | 0.13% | Reduce -2.8% | 154,201 | $119.1M |
| ProShare Advisors LLC | 0.17% | Reduce -17.3% | 152,397 | $117.7M |
| Acadian Asset Management LLC | 0.17% | Reduce -66.1% | 151,191 | $116.8M |
| Sound Shore Management Inc | 3.91% | Reduce -14.2% | 150,960 | $116.6M |
| Wells Fargo & Company | 0.02% | Add +1.4% | 142,021 | $109.7M |
| Prudential Financial Inc. | 0.13% | Add +61.2% | 140,491 | $108.5M |
| Southeastern Asset Management Inc. | 4.97% | Reduce -21.2% | 130,662 | $101.0M |
| National Bank of Canada | 0.10% | Add +8.5% | 130,006 | $100.4M |
| Victory Capital Management Inc. | 0.06% | Add +15.3% | 129,074 | $99.7M |
| Retirement Systems of Alabama | 0.33% | Reduce -0.0% | 128,285 | $99.1M |
| Natixis Advisors, LLC | 0.14% | Add +2.5% | 125,673 | $97.1M |
| Handelsbanken Fonder AB | 0.32% | Add +24.2% | 125,036 | $96.6M |
| Mariner, LLC | 0.11% | Add +30.2% | 123,954 | $95.7M |
| Aberdeen Group plc | 0.15% | Reduce -25.0% | 121,344 | $93.8M |
| Principal Financial Group Inc. | 0.05% | Add +0.7% | 120,425 | $93.0M |
| New York State Common Retirement Fund | 0.13% | No change | 117,369 | $90.7M |
| Carmignac Gestion | 1.38% | Add +133.3% | 116,571 | $90.0M |
| Jennison Associates LLC | 0.06% | New | 115,199 | $89.0M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.15% | Add +0.8% | 109,720 | $84.9M |
| Envestnet Asset Management Inc. | 0.02% | Add +22.7% | 109,152 | $84.3M |
| Danske Bank A/S | 0.20% | Add +8.0% | 107,220 | $82.8M |
"% of holder's portfolio" is REGN's weight in each manager's 13F, not the share of Regeneron Pharmaceuticals the manager owns.