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, Q2 2025
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
- 1,201
- −73 vs. Q1 2025
- Shares held
- 89.3M
- −3.67M (−4.0%) vs. Q1 2025
- Total value
- $46.9B
- −$12.0B (−20.4%) vs. Q1 2025
- New holders
- 134
- 443 more added
- Sold out
- 207
- 475 more reduced
16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parnassus Investments | 101,084 | $53.1M | 0.12% | +101,084 | New |
| Armistice Capital, LLC | 100,032 | $52.5M | 1.99% | −14,041−12.3% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 99,913 | $52.5M | 0.46% | +3,440+3.6% | Added |
| Harvest Portfolios Group Inc. | 99,000 | $52.0M | 1.21% | +16,076+19.4% | Added |
| Adage Capital Partners GP, L.L.C. | 95,630 | $50.2M | 0.08% | +2,885+3.1% | Added |
| Cubist Systematic Strategies, LLC | 94,942 | $49.8M | 0.54% | +94,942 | New |
| Bridgewater Associates, LP | 89,047 | $46.7M | 0.19% | +68,056+324.2% | Added |
| New York State Teachers Retirement System | 87,579 | $46.0M | 0.10% | −4,128−4.5% | Reduced |
| Great West Life Assurance Co | 87,094 | $45.8M | 0.07% | −37,529−30.1% | Reduced |
| Seizert Capital Partners, LLC | 85,980 | $45.1M | 1.98% | +3,308+4.0% | Added |
| Tudor Investment Corp Et Al | 84,550 | $44.4M | 0.34% | −41,543−32.9% | Reduced |
| PGGM Investments | 84,397 | $44.3M | 0.77% | +51,900+159.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 80,382 | $42.2M | 0.08% | −7,255−8.3% | Reduced |
| Aviva PLC | 79,885 | $41.9M | 0.09% | +4,525+6.0% | Added |
| Twinbeech Capital LP | 79,286 | $41.6M | 0.94% | +26,185+49.3% | Added |
| Macquarie Group Ltd | 76,725 | $40.3M | 0.05% | −2,113−2.7% | Reduced |
| Man Group plc | 75,983 | $39.9M | 0.09% | +40,397+113.5% | Added |
| Capital Fund Management S.A. | 72,877 | $38.3M | 0.42% | −19,933−21.5% | Reduced |
| Natixis | 72,180 | $37.9M | 0.19% | +2,751+4.0% | Added |
| Wellington Management Group LLP | 71,155 | $37.4M | 0.01% | +53,741+308.6% | Added |
| Toronto Dominion Bank | 70,958 | $37.3M | 0.08% | +21,790+44.3% | Added |
| Capital International Inc | 70,855 | $37.2M | 0.36% | −2,356−3.2% | Reduced |
| Quadrature Capital Ltd | 70,449 | $37.0M | 0.64% | +70,449 | New |
| Polar Capital Holdings Plc | 70,000 | $36.8M | 0.19% | +15,000+27.3% | Added |
| Pinnacle Associates Ltd | 68,926 | $36.2M | 0.52% | −12,087−14.9% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 68,744 | $36.1M | 0.08% | +204+0.3% | Added |
| Treasurer of the State of North Carolina | 68,726 | $36.1M | 0.12% | +19,968+41.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 68,140 | $35.8M | 0.16% | 00.0% | Unchanged |
| Groupama Asset Managment | 67,870 | $35.4M | 0.59% | −22,742−25.1% | Reduced |
| GuoLine Advisory Pte Ltd | 67,300 | $35.3M | 3.75% | +11,000+19.5% | Added |
| Hudson Bay Capital Management LP | 66,358 | $34.8M | 0.23% | +45,771+222.3% | Added |
| APG Asset Management N.V. | 77,475 | $34.7M | 0.10% | +68+0.1% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 65,283 | $34.3M | 0.10% | −18,047−21.7% | Reduced |
| Cambiar Investors LLC | 62,470 | $32.8M | 1.38% | +12,160+24.2% | Added |
| AXA S.A. | 62,430 | $32.8M | 0.09% | −20,836−25.0% | Reduced |
| Walleye Capital LLC | 61,771 | $32.4M | 0.30% | +53,575+653.7% | Added |
| Prudential Financial Inc | 61,317 | $32.2M | 0.04% | +3,768+6.5% | Added |
| Tocqueville Asset Management L.P. | 61,102 | $32.1M | 0.49% | −24,827−28.9% | Reduced |
| Asset Management One Co.,Ltd. | 60,844 | $31.9M | 0.10% | −1,494−2.4% | Reduced |
| Woodline Partners LP | 58,778 | $30.9M | 0.16% | −47,439−44.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 57,166 | $30.0M | 0.10% | +4,080+7.7% | Added |
| State of Wisconsin Investment Board | 57,012 | $29.9M | 0.07% | −9,653−14.5% | Reduced |
| Van Eck Associates Corp | 56,519 | $29.7M | 0.03% | +1,292+2.3% | Added |
| LPL Financial LLC | 56,361 | $29.6M | 0.01% | +1,116+2.0% | Added |
| Korea Investment CORP | 56,276 | $29.5M | 0.07% | −9,664−14.7% | Reduced |
| Jane Street Group, LLC | 56,024 | $29.4M | 0.05% | −40,435−41.9% | Reduced |
| Nomura Asset Management Co Ltd | 56,014 | $29.4M | 0.08% | −37,278−40.0% | Reduced |
| Capital International Sarl | 53,819 | $28.3M | 0.54% | −16,315−23.3% | Reduced |
| Erste Asset Management GmbH | 53,397 | $27.9M | 0.23% | +16,364+44.2% | Added |
| Virginia Retirement Systems Et Al | 53,054 | $27.9M | 0.19% | −50,000−48.5% | Reduced |
| Rafferty Asset Management, LLC | 52,628 | $27.6M | 0.09% | +7,926+17.7% | Added |
| Aquatic Capital Management LLC | 52,025 | $27.3M | 0.55% | +39,464+314.2% | Added |
| CenterBook Partners LP | 51,591 | $27.1M | 1.50% | +45,877+802.9% | Added |
| Marex Group plc | 51,433 | $27.0M | 0.51% | −19,435−27.4% | Reduced |
| Danske Bank A/S | 50,662 | $26.6M | 0.07% | −12,648−20.0% | Reduced |
| Handelsbanken Fonder AB | 50,502 | $26.5M | 0.09% | +3,998+8.6% | Added |
| Integral Health Asset Management, LLC | 50,000 | $26.3M | 2.45% | +50,000 | New |
| Baird Financial Group, Inc. | 48,979 | $25.7M | 0.05% | +4,383+9.8% | Added |
| Robeco Institutional Asset Management B.V. | 47,708 | $25.0M | 0.04% | −64,787−57.6% | Reduced |
| Nordea Investment Management AB | 46,988 | $24.5M | 0.02% | +2,768+6.3% | Added |
| DnB Asset Management AS | 46,655 | $24.5M | 0.10% | −3,472−6.9% | Reduced |
| Royal London Asset Management Ltd | 46,571 | $24.4M | 0.06% | −3,061−6.2% | Reduced |
| ING Groep NV | 46,128 | $24.2M | 0.15% | +24,797+116.2% | Added |
| Renaissance Technologies LLC | 45,062 | $23.7M | 0.03% | −33,839−42.9% | Reduced |
| HighTower Advisors, LLC | 43,787 | $23.0M | 0.03% | +12,514+40.0% | Added |
| LMR Partners LLP | 43,644 | $22.9M | 0.36% | +43,644 | New |
| Freestone Grove Partners LP | 43,411 | $22.8M | 0.17% | +43,411 | New |
| Public Employees Retirement System of Ohio | 42,540 | $22.3M | 0.08% | −949−2.2% | Reduced |
| State of Tennessee, Treasury Department | 41,779 | $21.9M | 0.08% | +4,894+13.3% | Added |
| Atwood & Palmer Inc | 41,588 | $21.8M | 1.36% | −386−0.9% | Reduced |
| KLP Kapitalforvaltning AS | 41,488 | $21.8M | 0.09% | −7,200−14.8% | Reduced |
| Guggenheim Capital LLC | 40,232 | $21.1M | 0.17% | +7,166+21.7% | Added |
| Mn Services Vermogensbeheer B.V. | 40,000 | $21.0M | 0.15% | +400+1.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 39,669 | $20.8M | 0.02% | +1,625+4.3% | Added |
| Resona Asset Management Co.,Ltd. | 39,699 | $20.8M | 0.10% | +1,263+3.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 39,452 | $20.7M | 0.19% | +6,200+18.6% | Added |
| Truist Financial Corp | 38,949 | $20.4M | 0.03% | −5,284−11.9% | Reduced |
| Stifel Financial Corp | 37,659 | $19.8M | 0.02% | −465−1.2% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 37,676 | $19.8M | 0.18% | −492−1.3% | Reduced |
| PEAK6 LLC | 37,230 | $19.5M | 0.66% | +37,230 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 36,960 | $19.4M | 0.11% | −2,922−7.3% | Reduced |
| KBC Group NV | 36,572 | $19.2M | 0.05% | −112,868−75.5% | Reduced |
| STRS Ohio | 36,450 | $19.1M | 0.07% | +2,069+6.0% | Added |
| State of New Jersey Common Pension Fund D | 36,223 | $19.0M | 0.07% | −23−0.1% | Reduced |
| CWM, LLC | 35,506 | $18.6M | 0.07% | +31,425+770.0% | Added |
| Grandfield & Dodd, LLC | 35,205 | $18.5M | 1.08% | +1,998+6.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 34,874 | $18.3M | 0.45% | +25,170+259.4% | Added |
| Capital International Ltd | 33,911 | $17.8M | 0.68% | −9,241−21.4% | Reduced |
| J. Goldman & Co LP | 33,846 | $17.8M | 0.56% | +18,960+127.4% | Added |
| Sanctuary Advisors, LLC | 33,842 | $17.8M | 0.11% | −282−0.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 33,053 | $17.7M | 0.03% | −6,577−16.6% | Reduced |
| LMCG Investments, LLC | 33,597 | $17.6M | 1.11% | +19,116+132.0% | Added |
| CIBC Asset Management Inc | 32,923 | $17.3M | 0.05% | −1,573−4.6% | Reduced |
| SEI Investments Co | 32,341 | $17.0M | 0.02% | +2,996+10.2% | Added |
| NEOS Investment Management LLC | 32,050 | $16.8M | 0.21% | +11,164+53.5% | Added |
| Howland Capital Management LLC | 31,795 | $16.7M | 0.68% | +5,107+19.1% | Added |
| Arizona State Retirement System | 31,222 | $16.4M | 0.09% | −462−1.5% | Reduced |
| Caption Management, LLC | 31,200 | $16.4M | 1.50% | +31,200 | New |
| Teacher Retirement System of Texas | 30,941 | $16.2M | 0.07% | −2,136−6.5% | Reduced |
| Allianz Asset Management GmbH | 30,387 | $16.0M | 0.02% | −16,333−35.0% | Reduced |