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 |
|---|---|---|---|---|---|
| Credit Agricole S A | 108,943 | $84.1M | 0.23% | +74,499+216.3% | Added |
| Integral Health Asset Management, LLC | 105,000 | $81.0M | 4.11% | +55,000+110.0% | Added |
| Capital Research Global Investors | 103,336 | $79.8M | 0.01% | −2,413−2.3% | Reduced |
| Bank of Montreal | 100,977 | $77.9M | 0.03% | +4,708+4.9% | Added |
| Handelsbanken Fonder AB | 100,706 | $77.7M | 0.23% | +37,657+59.7% | Added |
| Danske Bank A/S | 99,302 | $76.6M | 0.18% | +43,775+78.8% | Added |
| Parnassus Investments | 96,545 | $74.5M | 0.19% | −4,478−4.4% | Reduced |
| Mariner, LLC | 95,215 | $73.5M | 0.09% | +63,275+198.1% | Added |
| Seizert Capital Partners, LLC | 94,705 | $73.1M | 3.09% | −4,085−4.1% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 92,850 | $71.9M | 0.20% | +92,850 | New |
| State Board of Administration of Florida Retirement System | 92,736 | $71.6M | 0.13% | −3,230−3.4% | Reduced |
| PGGM Investments | 92,584 | $71.5M | 1.13% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 92,461 | $71.4M | 0.10% | −97,715−51.4% | Reduced |
| Spears Abacus Advisors LLC | 89,395 | $69.0M | 1.29% | +59,316+197.2% | Added |
| Envestnet Asset Management Inc | 88,972 | $68.7M | 0.02% | −12,589−12.4% | Reduced |
| Aviva PLC | 88,639 | $68.4M | 0.12% | +4,357+5.2% | Added |
| Prudential Financial Inc | 87,158 | $67.3M | 0.08% | +20,091+30.0% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 86,975 | $67.1M | 0.61% | −4,752−5.2% | Reduced |
| New York State Teachers Retirement System | 86,289 | $66.6M | 0.13% | −298−0.3% | Reduced |
| Los Angeles Capital Management LLC | 100,508 | $65.7M | 0.22% | +5,173+5.4% | Added |
| Armistice Capital, LLC | 84,000 | $64.8M | 1.59% | −41,206−32.9% | Reduced |
| Pinnacle Associates Ltd | 83,741 | $64.6M | 0.83% | −450−0.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 82,446 | $63.6M | 0.10% | −40,600−33.0% | Reduced |
| Harvest Portfolios Group Inc. | 81,748 | $63.1M | 1.10% | −25,799−24.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 81,242 | $62.7M | 0.14% | −17,601−17.8% | Reduced |
| Gotham Asset Management, LLC | 80,271 | $62.0M | 0.23% | −3,959−4.7% | Reduced |
| Capitolis Liquid Global Markets LLC | 80,000 | $61.7M | 0.37% | +5,000+6.7% | Added |
| Mackenzie Financial Corp | 78,736 | $60.8M | 0.07% | −49,887−38.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 77,204 | $59.6M | 0.17% | +14,635+23.4% | Added |
| Great West Life Assurance Co | 75,218 | $58.1M | 0.10% | −15,786−17.3% | Reduced |
| Bridgewater Associates, LP | 72,745 | $56.1M | 0.20% | −162,636−69.1% | Reduced |
| Groupama Asset Managment | 71,182 | $54.9M | 0.80% | +8,481+13.5% | Added |
| ExodusPoint Capital Management, LP | 69,780 | $53.9M | 0.60% | +42,048+151.6% | Added |
| Korea Investment CORP | 69,234 | $53.4M | 0.11% | +7,777+12.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 69,152 | $53.4M | 0.08% | −22,231−24.3% | Reduced |
| Ieq Capital, LLC | 68,637 | $53.0M | 0.16% | +24,977+57.2% | Added |
| Balyasny Asset Management LLC | 68,585 | $52.9M | 0.10% | +49,733+263.8% | Added |
| GuoLine Advisory Pte Ltd | 67,300 | $51.9M | 4.78% | 00.0% | Unchanged |
| Woodline Partners LP | 64,968 | $50.1M | 0.19% | +4,004+6.6% | Added |
| Van Eck Associates Corp | 64,895 | $50.1M | 0.04% | +8,377+14.8% | Added |
| LPL Financial LLC | 62,619 | $48.3M | 0.01% | +87+0.1% | Added |
| NEOS Investment Management LLC | 62,254 | $48.1M | 0.28% | +14,081+29.2% | Added |
| Clearbridge Investments, LLC | 62,031 | $47.9M | 0.04% | −2,695−4.2% | Reduced |
| Rhenman & Partners Asset Management AB | 61,400 | $47.4M | 4.43% | +25,300+70.1% | Added |
| CWM, LLC | 60,569 | $46.8M | 0.13% | +7,163+13.4% | Added |
| APG Asset Management N.V. | 71,064 | $46.7M | 0.13% | −6,387−8.2% | Reduced |
| Cambiar Investors LLC | 60,163 | $46.4M | 2.07% | +1,069+1.8% | Added |
| Worldquant Millennium Advisors LLC | 59,354 | $45.8M | 0.18% | −8,030−11.9% | Reduced |
| State of Wisconsin Investment Board | 59,079 | $45.6M | 0.10% | −3,005−4.8% | Reduced |
| Treasurer of the State of North Carolina | 57,808 | $44.6M | 0.14% | −6,053−9.5% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 56,704 | $43.8M | 0.11% | −4,770−7.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 56,619 | $43.7M | 0.18% | −355−0.6% | Reduced |
| ING Groep NV | 56,597 | $43.7M | 0.26% | −52,280−48.0% | Reduced |
| SEI Investments Co | 56,597 | $43.7M | 0.04% | +11,564+25.7% | Added |
| Nomura Asset Management International Inc. | 55,522 | $42.9M | 0.06% | +55,522 | New |
| Asset Management One Co.,Ltd. | 54,181 | $42.3M | 0.12% | −6,358−10.5% | Reduced |
| Toronto Dominion Bank | 53,958 | $41.6M | 0.07% | −938−1.7% | Reduced |
| Nomura Asset Management Co Ltd | 53,417 | $41.2M | 0.10% | −374−0.7% | Reduced |
| Erste Asset Management GmbH | 52,049 | $40.5M | 0.34% | +3,313+6.8% | Added |
| Davern Capital Partners, LP | 52,420 | $40.5M | 13.08% | +52,420 | New |
| KLP Kapitalforvaltning AS | 51,668 | $39.9M | 0.15% | +80+0.2% | Added |
| Stifel Financial Corp | 50,520 | $39.0M | 0.04% | +5,077+11.2% | Added |
| Carmignac Gestion | 49,971 | $38.6M | 0.52% | +49,971 | New |
| Baird Financial Group, Inc. | 49,870 | $38.5M | 0.06% | +1,484+3.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 49,014 | $37.8M | 0.09% | −13,806−22.0% | Reduced |
| Panagora Asset Management Inc | 47,685 | $36.8M | 0.13% | −29,988−38.6% | Reduced |
| Tocqueville Asset Management L.P. | 46,824 | $36.1M | 0.53% | −7,394−13.6% | Reduced |
| DnB Asset Management AS | 46,157 | $35.6M | 0.12% | −1,114−2.4% | Reduced |
| HighTower Advisors, LLC | 46,087 | $35.6M | 0.04% | +356+0.8% | Added |
| Mediolanum International Funds Ltd | 45,535 | $35.2M | 0.35% | +44,280+3,528.3% | Added |
| Guggenheim Capital LLC | 44,918 | $34.7M | 0.25% | +2,610+6.2% | Added |
| CIBC Asset Management Inc | 42,667 | $32.9M | 0.08% | +10,329+31.9% | Added |
| Atwood & Palmer Inc | 41,817 | $32.3M | 1.83% | +386+0.9% | Added |
| Virginia Retirement Systems Et Al | 41,714 | $32.2M | 0.19% | −11,340−21.4% | Reduced |
| Freestone Grove Partners LP | 41,409 | $32.0M | 0.23% | −22,820−35.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 41,362 | $31.9M | 0.09% | +39,977+2,886.4% | Added |
| Wedge Capital Management L L P | 41,302 | $31.9M | 0.57% | −3,893−8.6% | Reduced |
| Mn Services Vermogensbeheer B.V. | 41,213 | $31.8M | 0.20% | +713+1.8% | Added |
| Public Employees Retirement System of Ohio | 41,176 | $31.8M | 0.10% | −487−1.2% | Reduced |
| Zurich Insurance Group Ltd | 40,812 | $31.5M | 0.22% | −108,992−72.8% | Reduced |
| Tamar Securities, LLC | 40,456 | $31.2M | 3.30% | +8,190+25.4% | Added |
| Nomura Holdings Inc | 40,395 | $31.2M | 0.09% | +15,663+63.3% | Added |
| LMCG Investments, LLC | 39,821 | $30.7M | 1.76% | +3,556+9.8% | Added |
| Sanctuary Advisors, LLC | 38,982 | $30.1M | 0.16% | +45+0.1% | Added |
| Quantinno Capital Management LP | 38,661 | $29.8M | 0.06% | +7,686+24.8% | Added |
| State of Tennessee, Treasury Department | 40,136 | $29.8M | 0.10% | −8,048−16.7% | Reduced |
| Truist Financial Corp | 38,441 | $29.7M | 0.04% | −50.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 38,438 | $29.7M | 0.03% | +2,026+5.6% | Added |
| KBC Group NV | 38,215 | $29.5M | 0.07% | +4,953+14.9% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 38,088 | $29.4M | 0.15% | −237−0.6% | Reduced |
| Howland Capital Management LLC | 37,860 | $29.2M | 1.11% | +2,175+6.1% | Added |
| Allspring Global Investments Holdings, LLC | 37,559 | $29.2M | 0.05% | +10,759+40.1% | Added |
| Banco Santander, S.A. | 37,732 | $29.1M | 0.22% | −33,403−47.0% | Reduced |
| Grandfield & Dodd, LLC | 36,568 | $28.2M | 1.60% | +117+0.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 36,038 | $27.8M | 0.19% | −1,587−4.2% | Reduced |
| State of New Jersey Common Pension Fund D | 35,516 | $27.4M | 0.10% | −1,653−4.4% | Reduced |
| Walleye Capital LLC | 35,500 | $27.4M | 0.16% | −51,974−59.4% | Reduced |
| ARS Investment Partners, LLC | 35,445 | $27.4M | 1.60% | +6,676+23.2% | Added |
| Rafferty Asset Management, LLC | 35,319 | $27.3M | 0.09% | −11,153−24.0% | Reduced |
| Steadfast Capital Management LP | 35,200 | $27.2M | 0.48% | +35,200 | New |