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 |
|---|---|---|---|---|---|
| Truist Financial Corp | 38,441 | $29.7M | 0.04% | −50.0% | Reduced |
| State of Tennessee, Treasury Department | 40,136 | $29.8M | 0.10% | −8,048−16.7% | Reduced |
| Quantinno Capital Management LP | 38,661 | $29.8M | 0.06% | +7,686+24.8% | Added |
| Sanctuary Advisors, LLC | 38,982 | $30.1M | 0.16% | +45+0.1% | Added |
| LMCG Investments, LLC | 39,821 | $30.7M | 1.76% | +3,556+9.8% | Added |
| Nomura Holdings Inc | 40,395 | $31.2M | 0.09% | +15,663+63.3% | Added |
| Tamar Securities, LLC | 40,456 | $31.2M | 3.30% | +8,190+25.4% | Added |
| Zurich Insurance Group Ltd | 40,812 | $31.5M | 0.22% | −108,992−72.8% | Reduced |
| Public Employees Retirement System of Ohio | 41,176 | $31.8M | 0.10% | −487−1.2% | Reduced |
| Mn Services Vermogensbeheer B.V. | 41,213 | $31.8M | 0.20% | +713+1.8% | Added |
| Wedge Capital Management L L P | 41,302 | $31.9M | 0.57% | −3,893−8.6% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 41,362 | $31.9M | 0.09% | +39,977+2,886.4% | Added |
| Freestone Grove Partners LP | 41,409 | $32.0M | 0.23% | −22,820−35.5% | Reduced |
| Virginia Retirement Systems Et Al | 41,714 | $32.2M | 0.19% | −11,340−21.4% | Reduced |
| Atwood & Palmer Inc | 41,817 | $32.3M | 1.83% | +386+0.9% | Added |
| CIBC Asset Management Inc | 42,667 | $32.9M | 0.08% | +10,329+31.9% | Added |
| Guggenheim Capital LLC | 44,918 | $34.7M | 0.25% | +2,610+6.2% | Added |
| Mediolanum International Funds Ltd | 45,535 | $35.2M | 0.35% | +44,280+3,528.3% | Added |
| HighTower Advisors, LLC | 46,087 | $35.6M | 0.04% | +356+0.8% | Added |
| DnB Asset Management AS | 46,157 | $35.6M | 0.12% | −1,114−2.4% | Reduced |
| Tocqueville Asset Management L.P. | 46,824 | $36.1M | 0.53% | −7,394−13.6% | Reduced |
| Panagora Asset Management Inc | 47,685 | $36.8M | 0.13% | −29,988−38.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 49,014 | $37.8M | 0.09% | −13,806−22.0% | Reduced |
| Baird Financial Group, Inc. | 49,870 | $38.5M | 0.06% | +1,484+3.1% | Added |
| Carmignac Gestion | 49,971 | $38.6M | 0.52% | +49,971 | New |
| Stifel Financial Corp | 50,520 | $39.0M | 0.04% | +5,077+11.2% | Added |
| KLP Kapitalforvaltning AS | 51,668 | $39.9M | 0.15% | +80+0.2% | Added |
| Davern Capital Partners, LP | 52,420 | $40.5M | 13.08% | +52,420 | New |
| Erste Asset Management GmbH | 52,049 | $40.5M | 0.34% | +3,313+6.8% | Added |
| Nomura Asset Management Co Ltd | 53,417 | $41.2M | 0.10% | −374−0.7% | Reduced |
| Toronto Dominion Bank | 53,958 | $41.6M | 0.07% | −938−1.7% | Reduced |
| Asset Management One Co.,Ltd. | 54,181 | $42.3M | 0.12% | −6,358−10.5% | Reduced |
| Nomura Asset Management International Inc. | 55,522 | $42.9M | 0.06% | +55,522 | New |
| SEI Investments Co | 56,597 | $43.7M | 0.04% | +11,564+25.7% | Added |
| ING Groep NV | 56,597 | $43.7M | 0.26% | −52,280−48.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 56,619 | $43.7M | 0.18% | −355−0.6% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 56,704 | $43.8M | 0.11% | −4,770−7.8% | Reduced |
| Treasurer of the State of North Carolina | 57,808 | $44.6M | 0.14% | −6,053−9.5% | Reduced |
| State of Wisconsin Investment Board | 59,079 | $45.6M | 0.10% | −3,005−4.8% | Reduced |
| Worldquant Millennium Advisors LLC | 59,354 | $45.8M | 0.18% | −8,030−11.9% | Reduced |
| Cambiar Investors LLC | 60,163 | $46.4M | 2.07% | +1,069+1.8% | Added |
| APG Asset Management N.V. | 71,064 | $46.7M | 0.13% | −6,387−8.2% | Reduced |
| CWM, LLC | 60,569 | $46.8M | 0.13% | +7,163+13.4% | Added |
| Rhenman & Partners Asset Management AB | 61,400 | $47.4M | 4.43% | +25,300+70.1% | Added |
| Clearbridge Investments, LLC | 62,031 | $47.9M | 0.04% | −2,695−4.2% | Reduced |
| NEOS Investment Management LLC | 62,254 | $48.1M | 0.28% | +14,081+29.2% | Added |
| LPL Financial LLC | 62,619 | $48.3M | 0.01% | +87+0.1% | Added |
| Van Eck Associates Corp | 64,895 | $50.1M | 0.04% | +8,377+14.8% | Added |
| Woodline Partners LP | 64,968 | $50.1M | 0.19% | +4,004+6.6% | Added |
| GuoLine Advisory Pte Ltd | 67,300 | $51.9M | 4.78% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 68,585 | $52.9M | 0.10% | +49,733+263.8% | Added |
| Ieq Capital, LLC | 68,637 | $53.0M | 0.16% | +24,977+57.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 69,152 | $53.4M | 0.08% | −22,231−24.3% | Reduced |
| Korea Investment CORP | 69,234 | $53.4M | 0.11% | +7,777+12.7% | Added |
| ExodusPoint Capital Management, LP | 69,780 | $53.9M | 0.60% | +42,048+151.6% | Added |
| Groupama Asset Managment | 71,182 | $54.9M | 0.80% | +8,481+13.5% | Added |
| Bridgewater Associates, LP | 72,745 | $56.1M | 0.20% | −162,636−69.1% | Reduced |
| Great West Life Assurance Co | 75,218 | $58.1M | 0.10% | −15,786−17.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 77,204 | $59.6M | 0.17% | +14,635+23.4% | Added |
| Mackenzie Financial Corp | 78,736 | $60.8M | 0.07% | −49,887−38.8% | Reduced |
| Capitolis Liquid Global Markets LLC | 80,000 | $61.7M | 0.37% | +5,000+6.7% | Added |
| Gotham Asset Management, LLC | 80,271 | $62.0M | 0.23% | −3,959−4.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 81,242 | $62.7M | 0.14% | −17,601−17.8% | Reduced |
| Harvest Portfolios Group Inc. | 81,748 | $63.1M | 1.10% | −25,799−24.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 82,446 | $63.6M | 0.10% | −40,600−33.0% | Reduced |
| Pinnacle Associates Ltd | 83,741 | $64.6M | 0.83% | −450−0.5% | Reduced |
| Armistice Capital, LLC | 84,000 | $64.8M | 1.59% | −41,206−32.9% | Reduced |
| Los Angeles Capital Management LLC | 100,508 | $65.7M | 0.22% | +5,173+5.4% | Added |
| New York State Teachers Retirement System | 86,289 | $66.6M | 0.13% | −298−0.3% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 86,975 | $67.1M | 0.61% | −4,752−5.2% | Reduced |
| Prudential Financial Inc | 87,158 | $67.3M | 0.08% | +20,091+30.0% | Added |
| Aviva PLC | 88,639 | $68.4M | 0.12% | +4,357+5.2% | Added |
| Envestnet Asset Management Inc | 88,972 | $68.7M | 0.02% | −12,589−12.4% | Reduced |
| Spears Abacus Advisors LLC | 89,395 | $69.0M | 1.29% | +59,316+197.2% | Added |
| Susquehanna International Group, LLP | 92,461 | $71.4M | 0.10% | −97,715−51.4% | Reduced |
| PGGM Investments | 92,584 | $71.5M | 1.13% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 92,736 | $71.6M | 0.13% | −3,230−3.4% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 92,850 | $71.9M | 0.20% | +92,850 | New |
| Seizert Capital Partners, LLC | 94,705 | $73.1M | 3.09% | −4,085−4.1% | Reduced |
| Mariner, LLC | 95,215 | $73.5M | 0.09% | +63,275+198.1% | Added |
| Parnassus Investments | 96,545 | $74.5M | 0.19% | −4,478−4.4% | Reduced |
| Danske Bank A/S | 99,302 | $76.6M | 0.18% | +43,775+78.8% | Added |
| Handelsbanken Fonder AB | 100,706 | $77.7M | 0.23% | +37,657+59.7% | Added |
| Bank of Montreal | 100,977 | $77.9M | 0.03% | +4,708+4.9% | Added |
| Capital Research Global Investors | 103,336 | $79.8M | 0.01% | −2,413−2.3% | Reduced |
| Integral Health Asset Management, LLC | 105,000 | $81.0M | 4.11% | +55,000+110.0% | Added |
| Credit Agricole S A | 108,943 | $84.1M | 0.23% | +74,499+216.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 108,871 | $84.2M | 0.14% | +827+0.8% | Added |
| Victory Capital Management Inc | 111,964 | $86.4M | 0.05% | +29,578+35.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 114,713 | $88.5M | 0.15% | −183−0.2% | Reduced |
| New York State Common Retirement Fund | 117,369 | $90.6M | 0.12% | −3,200−2.7% | Reduced |
| Principal Financial Group Inc | 119,625 | $92.3M | 0.05% | +1,142+1.0% | Added |
| National Bank of Canada | 119,812 | $92.5M | 0.09% | −44,573−27.1% | Reduced |
| Bank of Nova Scotia | 120,011 | $92.6M | 0.14% | −158,540−56.9% | Reduced |
| Natixis Advisors, L.P. | 122,588 | $94.6M | 0.13% | +2,479+2.1% | Added |
| Retirement Systems of Alabama | 128,317 | $99.0M | 0.32% | −292−0.2% | Reduced |
| SG Americas Securities, LLC | 131,112 | $101.2M | 0.13% | +118,690+955.5% | Added |
| Nordea Investment Management AB | 137,321 | $105.8M | 0.09% | +74,350+118.1% | Added |
| Wells Fargo & Company | 140,049 | $108.1M | 0.02% | +5,829+4.3% | Added |
| Qube Research & Technologies Ltd | 142,183 | $109.7M | 0.16% | −406,551−74.1% | Reduced |