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, 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 | 1,342 | $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, 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 |
|---|---|---|---|---|---|
| Panagora Asset Management Inc | 105,225 | $81.3M | 0.30% | +57,540+120.7% | Added |
| Danske Bank A/S | 107,220 | $82.8M | 0.20% | +7,918+8.0% | Added |
| Envestnet Asset Management Inc | 109,152 | $84.3M | 0.02% | +20,180+22.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 109,720 | $84.9M | 0.15% | +849+0.8% | Added |
| Jennison Associates LLC | 115,199 | $89.0M | 0.06% | +115,199 | New |
| Carmignac Gestion | 116,571 | $90.0M | 1.38% | +66,600+133.3% | Added |
| New York State Common Retirement Fund | 117,369 | $90.7M | 0.13% | 00.0% | Unchanged |
| Principal Financial Group Inc | 120,425 | $93.0M | 0.05% | +800+0.7% | Added |
| Standard Life Aberdeen plc | 121,344 | $93.8M | 0.15% | −40,394−25.0% | Reduced |
| Mariner, LLC | 123,954 | $95.7M | 0.11% | +28,739+30.2% | Added |
| Handelsbanken Fonder AB | 125,036 | $96.6M | 0.32% | +24,330+24.2% | Added |
| Natixis Advisors, L.P. | 125,673 | $97.1M | 0.14% | +3,085+2.5% | Added |
| Retirement Systems of Alabama | 128,285 | $99.1M | 0.33% | −320.0% | Reduced |
| Victory Capital Management Inc | 129,074 | $99.7M | 0.06% | +17,110+15.3% | Added |
| National Bank of Canada | 130,006 | $100.4M | 0.10% | +10,194+8.5% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 130,662 | $101.0M | 4.97% | −35,130−21.2% | Reduced |
| Prudential Financial Inc | 140,491 | $108.5M | 0.13% | +53,333+61.2% | Added |
| Wells Fargo & Company | 142,021 | $109.7M | 0.02% | +1,972+1.4% | Added |
| Sound Shore Management Inc | 150,960 | $116.6M | 3.91% | −24,927−14.2% | Reduced |
| Acadian Asset Management LLC | 151,191 | $116.8M | 0.17% | −294,604−66.1% | Reduced |
| ProShare Advisors LLC | 152,397 | $117.7M | 0.17% | −31,889−17.3% | Reduced |
| California State Teachers Retirement System | 154,201 | $119.1M | 0.13% | −4,479−2.8% | Reduced |
| Rhumbline Advisers | 157,781 | $121.9M | 0.10% | −3,024−1.9% | Reduced |
| SG Americas Securities, LLC | 158,278 | $122.3M | 0.13% | +27,166+20.7% | Added |
| Squarepoint Ops LLC | 162,814 | $125.8M | 0.27% | +160,128+5,961.6% | Added |
| Raymond James Financial Inc | 165,542 | $127.9M | 0.04% | +15,932+10.6% | Added |
| Arrowstreet Capital, Limited Partnership | 171,571 | $132.6M | 0.07% | −23,124−11.9% | Reduced |
| Bronte Capital Management Pty Ltd. | 172,787 | $133.5M | 14.19% | −3,981−2.3% | Reduced |
| Vanguard Asset Management, Ltd | 176,342 | $136.2M | 0.12% | +176,342 | New |
| Citigroup Inc | 184,691 | $142.7M | 0.09% | −60,644−24.7% | Reduced |
| Candriam Luxembourg S.C.A. | 186,388 | $144.0M | 0.75% | −18,944−9.2% | Reduced |
| Canada Pension Plan Investment Board | 187,553 | $144.9M | 0.09% | +19,186+11.4% | Added |
| Polar Capital Holdings Plc | 192,546 | $148.8M | 0.65% | −12,381−6.0% | Reduced |
| LSV Asset Management | 196,279 | $151.7M | 0.33% | +29,765+17.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 205,833 | $159.0M | 0.46% | +5,086+2.5% | Added |
| McDonald Capital Investors Inc | 205,871 | $159.1M | 10.88% | −2,370−1.1% | Reduced |
| Assenagon Asset Management S.A. | 207,788 | $160.5M | 0.26% | −25,443−10.9% | Reduced |
| DekaBank Deutsche Girozentrale | 211,207 | $160.9M | 0.27% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 209,248 | $161.6M | 0.08% | +3,576+1.7% | Added |
| Jacobs Levy Equity Management, Inc | 214,160 | $165.5M | 0.70% | −50,831−19.2% | Reduced |
| Swedbank AB | 215,590 | $166.6M | 0.18% | −12,189−5.4% | Reduced |
| California Public Employees Retirement System | 218,772 | $169.0M | 0.10% | +17,682+8.8% | Added |
| Russell Investments Group, Ltd. | 228,086 | $175.7M | 0.19% | +6,996+3.2% | Added |
| Vanguard Global Advisers, LLC | 228,491 | $176.5M | 0.09% | +228,491 | New |
| Epoch Investment Partners, Inc. | 238,725 | $184.4M | 1.12% | −42,610−15.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 240,600 | $185.9M | 0.12% | +15,743+7.0% | Added |
| Federated Hermes, Inc. | 254,946 | $197.0M | 0.32% | +8,327+3.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 273,120 | $211.0M | 0.24% | +26,644+10.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 273,669 | $211.4M | 0.14% | −11,362−4.0% | Reduced |
| Bellevue Group AG | 278,674 | $215.3M | 5.12% | +264,746+1,900.8% | Added |
| UBS Group AG | 299,979 | $231.8M | 0.04% | +28,821+10.6% | Added |
| Allianz Asset Management GmbH | 301,196 | $232.7M | 0.27% | +132,582+78.6% | Added |
| Swiss National Bank | 303,140 | $234.2M | 0.13% | +17,680+6.2% | Added |
| FIL Ltd | 309,509 | $239.1M | 0.19% | −219,681−41.5% | Reduced |
| Barclays PLC | 313,093 | $241.9M | 0.09% | +1,926+0.6% | Added |
| Man Group plc | 315,212 | $243.5M | 0.50% | +97,100+44.5% | Added |
| Ameriprise Financial Inc | 319,677 | $247.1M | 0.06% | +27,758+9.5% | Added |
| HSBC Holdings PLC | 323,338 | $249.7M | 0.15% | +4,530+1.4% | Added |
| Caisse de Depot Et Placement du Quebec | 329,018 | $254.2M | 0.41% | −13,301−3.9% | Reduced |
| Pictet Asset Management Holding SA | 337,254 | $258.4M | 0.27% | −30,616−8.3% | Reduced |
| First Trust Advisors LP | 346,855 | $268.0M | 0.19% | +141,123+68.6% | Added |
| Robeco Institutional Asset Management B.V. | 348,787 | $269.5M | 0.38% | +86,937+33.2% | Added |
| Voya Investment Management LLC | 349,912 | $270.1M | 0.28% | +55,863+19.0% | Added |
| TD Asset Management Inc | 350,923 | $271.1M | 0.22% | −46,629−11.7% | Reduced |
| Royal Bank of Canada | 351,171 | $271.3M | 0.05% | +5,952+1.7% | Added |
| Pacer Advisors, Inc. | 358,633 | $277.1M | 0.79% | −39,033−9.8% | Reduced |
| National Pension Service | 371,551 | $287.1M | 0.22% | +10,563+2.9% | Added |
| Manufacturers Life Insurance Company, The | 408,931 | $316.0M | 0.27% | −12,298−2.9% | Reduced |
| Alliancebernstein L.P. | 426,914 | $329.5M | 0.11% | −51,475−10.8% | Reduced |
| Neuberger Berman Group LLC | 427,129 | $330.1M | 0.25% | +5,002+1.2% | Added |
| BNP Paribas Arbitrage, SA | 448,371 | $346.4M | 0.23% | +7,527+1.7% | Added |
| Dimensional Fund Advisors LP | 513,060 | $396.3M | 0.08% | +13,516+2.7% | Added |
| American Century Companies Inc | 562,097 | $434.3M | 0.22% | +10,610+1.9% | Added |
| Vanguard Fiduciary Trust Co | 569,940 | $440.4M | 0.11% | +569,940 | New |
| Deutsche Bank AG | 625,388 | $483.2M | 0.16% | −138,538−18.1% | Reduced |
| UBS Asset Management Americas Inc | 723,621 | $559.1M | 0.12% | −21,612−2.9% | Reduced |
| Legal & General Group Plc | 732,054 | $565.6M | 0.13% | −10,973−1.5% | Reduced |
| Bank of New York Mellon Corp | 765,411 | $591.4M | 0.11% | +1,169+0.2% | Added |
| Charles Schwab Investment Management Inc | 804,508 | $621.6M | 0.09% | +26,507+3.4% | Added |
| Two Sigma Investments, LP | 812,236 | $627.6M | 0.52% | +531,085+188.9% | Added |
| Northern Trust Corp | 941,941 | $727.8M | 0.10% | −2,992−0.3% | Reduced |
| Amundi | 1,009,798 | $780.2M | 0.21% | +217,892+27.5% | Added |
| Bank of America Corp | 1,189,584 | $919.1M | 0.07% | +32,158+2.8% | Added |
| AQR Capital Management LLC | 1,231,008 | $946.0M | 0.43% | +235,298+23.6% | Added |
| Goldman Sachs Group Inc | 1,300,558 | $1.00B | 0.13% | +203,231+18.5% | Added |
| Morgan Stanley | 1,319,329 | $1.02B | 0.06% | −69,994−5.0% | Reduced |
| Capital World Investors | 1,419,000 | $1.10B | 0.15% | +20,997+1.5% | Added |
| FMR LLC | 1,518,192 | $1.17B | 0.06% | −801,374−34.5% | Reduced |
| Vanguard Portfolio Management LLC | 1,720,774 | $1.33B | 0.07% | +1,720,774 | New |
| Wellington Management Group LLP | 1,837,459 | $1.42B | 0.27% | +1,172,994+176.5% | Added |
| Loomis Sayles & Co L P | 1,912,310 | $1.48B | 1.99% | −22,016−1.1% | Reduced |
| Nuveen, LLC | 2,065,064 | $1.60B | 0.43% | +54,547+2.7% | Added |
| Price T Rowe Associates Inc | 2,177,527 | $1.68B | 0.19% | +227,730+11.7% | Added |
| Geode Capital Management, LLC | 2,607,732 | $2.01B | 0.12% | +88,192+3.5% | Added |
| Franklin Resources Inc | 2,722,071 | $2.10B | 0.52% | +162,067+6.3% | Added |
| Invesco Ltd. | 3,905,109 | $3.02B | 0.29% | −6,387−0.2% | Reduced |
| JPMorgan Chase & Co | 4,311,806 | $3.23B | 0.22% | +371,646+9.4% | Added |
| Dodge & Cox | 4,458,238 | $3.44B | 1.89% | −138,120−3.0% | Reduced |
| State Street Corp | 4,664,478 | $3.60B | 0.12% | +3,670+0.1% | Added |
| Vanguard Capital Management LLC | 6,654,913 | $5.14B | 0.13% | +6,654,913 | New |