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; 1,341 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 | 1,341 | $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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,947,735 | $6.91B | 0.12% | +206,465+2.4% | Added |
| Vanguard Capital Management LLC | 6,654,913 | $5.14B | 0.13% | +6,654,913 | New |
| State Street Corp | 4,664,478 | $3.60B | 0.12% | +3,670+0.1% | Added |
| Dodge & Cox | 4,458,238 | $3.44B | 1.89% | −138,120−3.0% | Reduced |
| JPMorgan Chase & Co | 4,311,806 | $3.23B | 0.22% | +371,646+9.4% | Added |
| Invesco Ltd. | 3,905,109 | $3.02B | 0.29% | −6,387−0.2% | Reduced |
| Franklin Resources Inc | 2,722,071 | $2.10B | 0.52% | +162,067+6.3% | Added |
| Geode Capital Management, LLC | 2,607,732 | $2.01B | 0.12% | +88,192+3.5% | Added |
| Price T Rowe Associates Inc | 2,177,527 | $1.68B | 0.19% | +227,730+11.7% | Added |
| Nuveen, LLC | 2,065,064 | $1.60B | 0.43% | +54,547+2.7% | Added |
| Loomis Sayles & Co L P | 1,912,310 | $1.48B | 1.99% | −22,016−1.1% | Reduced |
| Wellington Management Group LLP | 1,837,459 | $1.42B | 0.27% | +1,172,994+176.5% | Added |
| Vanguard Portfolio Management LLC | 1,720,774 | $1.33B | 0.07% | +1,720,774 | New |
| FMR LLC | 1,518,192 | $1.17B | 0.06% | −801,374−34.5% | Reduced |
| Capital World Investors | 1,419,000 | $1.10B | 0.15% | +20,997+1.5% | Added |
| Morgan Stanley | 1,319,329 | $1.02B | 0.06% | −69,994−5.0% | Reduced |
| Goldman Sachs Group Inc | 1,300,558 | $1.00B | 0.13% | +203,231+18.5% | Added |
| AQR Capital Management LLC | 1,231,008 | $946.0M | 0.43% | +235,298+23.6% | Added |
| Bank of America Corp | 1,189,584 | $919.1M | 0.07% | +32,158+2.8% | Added |
| Amundi | 1,009,798 | $780.2M | 0.21% | +217,892+27.5% | Added |
| Northern Trust Corp | 941,941 | $727.8M | 0.10% | −2,992−0.3% | Reduced |
| Two Sigma Investments, LP | 812,236 | $627.6M | 0.52% | +531,085+188.9% | Added |
| Charles Schwab Investment Management Inc | 804,508 | $621.6M | 0.09% | +26,507+3.4% | Added |
| Bank of New York Mellon Corp | 765,411 | $591.4M | 0.11% | +1,169+0.2% | Added |
| Legal & General Group Plc | 732,054 | $565.6M | 0.13% | −10,973−1.5% | Reduced |
| UBS Asset Management Americas Inc | 723,621 | $559.1M | 0.12% | −21,612−2.9% | Reduced |
| Deutsche Bank AG | 625,388 | $483.2M | 0.16% | −138,538−18.1% | Reduced |
| Vanguard Fiduciary Trust Co | 569,940 | $440.4M | 0.11% | +569,940 | New |
| American Century Companies Inc | 562,097 | $434.3M | 0.22% | +10,610+1.9% | Added |
| Dimensional Fund Advisors LP | 513,060 | $396.3M | 0.08% | +13,516+2.7% | Added |
| BNP Paribas Arbitrage, SA | 448,371 | $346.4M | 0.23% | +7,527+1.7% | Added |
| Neuberger Berman Group LLC | 427,129 | $330.1M | 0.25% | +5,002+1.2% | Added |
| Alliancebernstein L.P. | 426,914 | $329.5M | 0.11% | −51,475−10.8% | Reduced |
| Manufacturers Life Insurance Company, The | 408,931 | $316.0M | 0.27% | −12,298−2.9% | Reduced |
| National Pension Service | 371,551 | $287.1M | 0.22% | +10,563+2.9% | Added |
| Pacer Advisors, Inc. | 358,633 | $277.1M | 0.79% | −39,033−9.8% | Reduced |
| Royal Bank of Canada | 351,171 | $271.3M | 0.05% | +5,952+1.7% | Added |
| TD Asset Management Inc | 350,923 | $271.1M | 0.22% | −46,629−11.7% | Reduced |
| Voya Investment Management LLC | 349,912 | $270.1M | 0.28% | +55,863+19.0% | Added |
| Robeco Institutional Asset Management B.V. | 348,787 | $269.5M | 0.38% | +86,937+33.2% | Added |
| First Trust Advisors LP | 346,855 | $268.0M | 0.19% | +141,123+68.6% | Added |
| Pictet Asset Management Holding SA | 337,254 | $258.4M | 0.27% | −30,616−8.3% | Reduced |
| Caisse de Depot Et Placement du Quebec | 329,018 | $254.2M | 0.41% | −13,301−3.9% | Reduced |
| HSBC Holdings PLC | 323,338 | $249.7M | 0.15% | +4,530+1.4% | Added |
| Ameriprise Financial Inc | 319,677 | $247.1M | 0.06% | +27,758+9.5% | Added |
| Man Group plc | 315,212 | $243.5M | 0.50% | +97,100+44.5% | Added |
| Barclays PLC | 313,093 | $241.9M | 0.09% | +1,926+0.6% | Added |
| FIL Ltd | 309,509 | $239.1M | 0.19% | −219,681−41.5% | Reduced |
| Swiss National Bank | 303,140 | $234.2M | 0.13% | +17,680+6.2% | Added |
| Allianz Asset Management GmbH | 301,196 | $232.7M | 0.27% | +132,582+78.6% | Added |
| UBS Group AG | 299,979 | $231.8M | 0.04% | +28,821+10.6% | Added |
| Bellevue Group AG | 278,674 | $215.3M | 5.12% | +264,746+1,900.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 273,669 | $211.4M | 0.14% | −11,362−4.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 273,120 | $211.0M | 0.24% | +26,644+10.8% | Added |
| Federated Hermes, Inc. | 254,946 | $197.0M | 0.32% | +8,327+3.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 240,600 | $185.9M | 0.12% | +15,743+7.0% | Added |
| Epoch Investment Partners, Inc. | 238,725 | $184.4M | 1.12% | −42,610−15.1% | Reduced |
| Vanguard Global Advisers, LLC | 228,491 | $176.5M | 0.09% | +228,491 | New |
| Russell Investments Group, Ltd. | 228,086 | $175.7M | 0.19% | +6,996+3.2% | Added |
| California Public Employees Retirement System | 218,772 | $169.0M | 0.10% | +17,682+8.8% | Added |
| Swedbank AB | 215,590 | $166.6M | 0.18% | −12,189−5.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 214,160 | $165.5M | 0.70% | −50,831−19.2% | Reduced |
| Janus Henderson Group PLC | 209,248 | $161.6M | 0.08% | +3,576+1.7% | Added |
| DekaBank Deutsche Girozentrale | 211,207 | $160.9M | 0.27% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 207,788 | $160.5M | 0.26% | −25,443−10.9% | Reduced |
| McDonald Capital Investors Inc | 205,871 | $159.1M | 10.88% | −2,370−1.1% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 205,833 | $159.0M | 0.46% | +5,086+2.5% | Added |
| LSV Asset Management | 196,279 | $151.7M | 0.33% | +29,765+17.9% | Added |
| Polar Capital Holdings Plc | 192,546 | $148.8M | 0.65% | −12,381−6.0% | Reduced |
| Canada Pension Plan Investment Board | 187,553 | $144.9M | 0.09% | +19,186+11.4% | Added |
| Candriam Luxembourg S.C.A. | 186,388 | $144.0M | 0.75% | −18,944−9.2% | Reduced |
| Citigroup Inc | 184,691 | $142.7M | 0.09% | −60,644−24.7% | Reduced |
| Vanguard Asset Management, Ltd | 176,342 | $136.2M | 0.12% | +176,342 | New |
| Bronte Capital Management Pty Ltd. | 172,787 | $133.5M | 14.19% | −3,981−2.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 171,571 | $132.6M | 0.07% | −23,124−11.9% | Reduced |
| Raymond James Financial Inc | 165,542 | $127.9M | 0.04% | +15,932+10.6% | Added |
| Squarepoint Ops LLC | 162,814 | $125.8M | 0.27% | +160,128+5,961.6% | Added |
| SG Americas Securities, LLC | 158,278 | $122.3M | 0.13% | +27,166+20.7% | Added |
| Rhumbline Advisers | 157,781 | $121.9M | 0.10% | −3,024−1.9% | Reduced |
| California State Teachers Retirement System | 154,201 | $119.1M | 0.13% | −4,479−2.8% | Reduced |
| ProShare Advisors LLC | 152,397 | $117.7M | 0.17% | −31,889−17.3% | Reduced |
| Acadian Asset Management LLC | 151,191 | $116.8M | 0.17% | −294,604−66.1% | Reduced |
| Sound Shore Management Inc | 150,960 | $116.6M | 3.91% | −24,927−14.2% | Reduced |
| Wells Fargo & Company | 142,021 | $109.7M | 0.02% | +1,972+1.4% | Added |
| Prudential Financial Inc | 140,491 | $108.5M | 0.13% | +53,333+61.2% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 130,662 | $101.0M | 4.97% | −35,130−21.2% | Reduced |
| National Bank of Canada | 130,006 | $100.4M | 0.10% | +10,194+8.5% | Added |
| Victory Capital Management Inc | 129,074 | $99.7M | 0.06% | +17,110+15.3% | Added |
| Retirement Systems of Alabama | 128,285 | $99.1M | 0.33% | −320.0% | Reduced |
| Natixis Advisors, L.P. | 125,673 | $97.1M | 0.14% | +3,085+2.5% | Added |
| Handelsbanken Fonder AB | 125,036 | $96.6M | 0.32% | +24,330+24.2% | Added |
| Mariner, LLC | 123,954 | $95.7M | 0.11% | +28,739+30.2% | Added |
| Standard Life Aberdeen plc | 121,344 | $93.8M | 0.15% | −40,394−25.0% | Reduced |
| Principal Financial Group Inc | 120,425 | $93.0M | 0.05% | +800+0.7% | Added |
| New York State Common Retirement Fund | 117,369 | $90.7M | 0.13% | 00.0% | Unchanged |
| Carmignac Gestion | 116,571 | $90.0M | 1.38% | +66,600+133.3% | Added |
| Jennison Associates LLC | 115,199 | $89.0M | 0.06% | +115,199 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 109,720 | $84.9M | 0.15% | +849+0.8% | Added |
| Envestnet Asset Management Inc | 109,152 | $84.3M | 0.02% | +20,180+22.7% | Added |
| Danske Bank A/S | 107,220 | $82.8M | 0.20% | +7,918+8.0% | Added |