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 |
|---|---|---|---|---|---|
| Tamar Securities, LLC | 30,381 | $15.9M | 1.94% | +2,247+8.0% | Added |
| Allianz Asset Management GmbH | 30,387 | $16.0M | 0.02% | −16,333−35.0% | Reduced |
| Teacher Retirement System of Texas | 30,941 | $16.2M | 0.07% | −2,136−6.5% | Reduced |
| Caption Management, LLC | 31,200 | $16.4M | 1.50% | +31,200 | New |
| Arizona State Retirement System | 31,222 | $16.4M | 0.09% | −462−1.5% | Reduced |
| Howland Capital Management LLC | 31,795 | $16.7M | 0.68% | +5,107+19.1% | Added |
| NEOS Investment Management LLC | 32,050 | $16.8M | 0.21% | +11,164+53.5% | Added |
| SEI Investments Co | 32,341 | $17.0M | 0.02% | +2,996+10.2% | Added |
| CIBC Asset Management Inc | 32,923 | $17.3M | 0.05% | −1,573−4.6% | Reduced |
| LMCG Investments, LLC | 33,597 | $17.6M | 1.11% | +19,116+132.0% | Added |
| Allspring Global Investments Holdings, LLC | 33,053 | $17.7M | 0.03% | −6,577−16.6% | Reduced |
| Sanctuary Advisors, LLC | 33,842 | $17.8M | 0.11% | −282−0.8% | Reduced |
| J. Goldman & Co LP | 33,846 | $17.8M | 0.56% | +18,960+127.4% | Added |
| Capital International Ltd | 33,911 | $17.8M | 0.68% | −9,241−21.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 34,874 | $18.3M | 0.45% | +25,170+259.4% | Added |
| Grandfield & Dodd, LLC | 35,205 | $18.5M | 1.08% | +1,998+6.0% | Added |
| CWM, LLC | 35,506 | $18.6M | 0.07% | +31,425+770.0% | Added |
| State of New Jersey Common Pension Fund D | 36,223 | $19.0M | 0.07% | −23−0.1% | Reduced |
| STRS Ohio | 36,450 | $19.1M | 0.07% | +2,069+6.0% | Added |
| KBC Group NV | 36,572 | $19.2M | 0.05% | −112,868−75.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 36,960 | $19.4M | 0.11% | −2,922−7.3% | Reduced |
| PEAK6 LLC | 37,230 | $19.5M | 0.66% | +37,230 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 37,676 | $19.8M | 0.18% | −492−1.3% | Reduced |
| Stifel Financial Corp | 37,659 | $19.8M | 0.02% | −465−1.2% | Reduced |
| Truist Financial Corp | 38,949 | $20.4M | 0.03% | −5,284−11.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 39,452 | $20.7M | 0.19% | +6,200+18.6% | Added |
| Resona Asset Management Co.,Ltd. | 39,699 | $20.8M | 0.10% | +1,263+3.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 39,669 | $20.8M | 0.02% | +1,625+4.3% | Added |
| Mn Services Vermogensbeheer B.V. | 40,000 | $21.0M | 0.15% | +400+1.0% | Added |
| Guggenheim Capital LLC | 40,232 | $21.1M | 0.17% | +7,166+21.7% | Added |
| KLP Kapitalforvaltning AS | 41,488 | $21.8M | 0.09% | −7,200−14.8% | Reduced |
| Atwood & Palmer Inc | 41,588 | $21.8M | 1.36% | −386−0.9% | Reduced |
| State of Tennessee, Treasury Department | 41,779 | $21.9M | 0.08% | +4,894+13.3% | Added |
| Public Employees Retirement System of Ohio | 42,540 | $22.3M | 0.08% | −949−2.2% | Reduced |
| Freestone Grove Partners LP | 43,411 | $22.8M | 0.17% | +43,411 | New |
| LMR Partners LLP | 43,644 | $22.9M | 0.36% | +43,644 | New |
| HighTower Advisors, LLC | 43,787 | $23.0M | 0.03% | +12,514+40.0% | Added |
| Renaissance Technologies LLC | 45,062 | $23.7M | 0.03% | −33,839−42.9% | Reduced |
| ING Groep NV | 46,128 | $24.2M | 0.15% | +24,797+116.2% | Added |
| Royal London Asset Management Ltd | 46,571 | $24.4M | 0.06% | −3,061−6.2% | Reduced |
| DnB Asset Management AS | 46,655 | $24.5M | 0.10% | −3,472−6.9% | Reduced |
| Nordea Investment Management AB | 46,988 | $24.5M | 0.02% | +2,768+6.3% | Added |
| Robeco Institutional Asset Management B.V. | 47,708 | $25.0M | 0.04% | −64,787−57.6% | Reduced |
| Baird Financial Group, Inc. | 48,979 | $25.7M | 0.05% | +4,383+9.8% | Added |
| Integral Health Asset Management, LLC | 50,000 | $26.3M | 2.45% | +50,000 | New |
| Handelsbanken Fonder AB | 50,502 | $26.5M | 0.09% | +3,998+8.6% | Added |
| Danske Bank A/S | 50,662 | $26.6M | 0.07% | −12,648−20.0% | Reduced |
| Marex Group plc | 51,433 | $27.0M | 0.51% | −19,435−27.4% | Reduced |
| CenterBook Partners LP | 51,591 | $27.1M | 1.50% | +45,877+802.9% | Added |
| Aquatic Capital Management LLC | 52,025 | $27.3M | 0.55% | +39,464+314.2% | Added |
| Rafferty Asset Management, LLC | 52,628 | $27.6M | 0.09% | +7,926+17.7% | Added |
| Virginia Retirement Systems Et Al | 53,054 | $27.9M | 0.19% | −50,000−48.5% | Reduced |
| Erste Asset Management GmbH | 53,397 | $27.9M | 0.23% | +16,364+44.2% | Added |
| Capital International Sarl | 53,819 | $28.3M | 0.54% | −16,315−23.3% | Reduced |
| Nomura Asset Management Co Ltd | 56,014 | $29.4M | 0.08% | −37,278−40.0% | Reduced |
| Jane Street Group, LLC | 56,024 | $29.4M | 0.05% | −40,435−41.9% | Reduced |
| Korea Investment CORP | 56,276 | $29.5M | 0.07% | −9,664−14.7% | Reduced |
| LPL Financial LLC | 56,361 | $29.6M | 0.01% | +1,116+2.0% | Added |
| Van Eck Associates Corp | 56,519 | $29.7M | 0.03% | +1,292+2.3% | Added |
| State of Wisconsin Investment Board | 57,012 | $29.9M | 0.07% | −9,653−14.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 57,166 | $30.0M | 0.10% | +4,080+7.7% | Added |
| Woodline Partners LP | 58,778 | $30.9M | 0.16% | −47,439−44.7% | Reduced |
| Asset Management One Co.,Ltd. | 60,844 | $31.9M | 0.10% | −1,494−2.4% | Reduced |
| Tocqueville Asset Management L.P. | 61,102 | $32.1M | 0.49% | −24,827−28.9% | Reduced |
| Prudential Financial Inc | 61,317 | $32.2M | 0.04% | +3,768+6.5% | Added |
| Walleye Capital LLC | 61,771 | $32.4M | 0.30% | +53,575+653.7% | Added |
| AXA S.A. | 62,430 | $32.8M | 0.09% | −20,836−25.0% | Reduced |
| Cambiar Investors LLC | 62,470 | $32.8M | 1.38% | +12,160+24.2% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 65,283 | $34.3M | 0.10% | −18,047−21.7% | Reduced |
| APG Asset Management N.V. | 77,475 | $34.7M | 0.10% | +68+0.1% | Added |
| Hudson Bay Capital Management LP | 66,358 | $34.8M | 0.23% | +45,771+222.3% | Added |
| GuoLine Advisory Pte Ltd | 67,300 | $35.3M | 3.75% | +11,000+19.5% | Added |
| Groupama Asset Managment | 67,870 | $35.4M | 0.59% | −22,742−25.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 68,140 | $35.8M | 0.16% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 68,726 | $36.1M | 0.12% | +19,968+41.0% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 68,744 | $36.1M | 0.08% | +204+0.3% | Added |
| Pinnacle Associates Ltd | 68,926 | $36.2M | 0.52% | −12,087−14.9% | Reduced |
| Polar Capital Holdings Plc | 70,000 | $36.8M | 0.19% | +15,000+27.3% | Added |
| Quadrature Capital Ltd | 70,449 | $37.0M | 0.64% | +70,449 | New |
| Capital International Inc | 70,855 | $37.2M | 0.36% | −2,356−3.2% | Reduced |
| Toronto Dominion Bank | 70,958 | $37.3M | 0.08% | +21,790+44.3% | Added |
| Wellington Management Group LLP | 71,155 | $37.4M | 0.01% | +53,741+308.6% | Added |
| Natixis | 72,180 | $37.9M | 0.19% | +2,751+4.0% | Added |
| Capital Fund Management S.A. | 72,877 | $38.3M | 0.42% | −19,933−21.5% | Reduced |
| Man Group plc | 75,983 | $39.9M | 0.09% | +40,397+113.5% | Added |
| Macquarie Group Ltd | 76,725 | $40.3M | 0.05% | −2,113−2.7% | Reduced |
| Twinbeech Capital LP | 79,286 | $41.6M | 0.94% | +26,185+49.3% | Added |
| Aviva PLC | 79,885 | $41.9M | 0.09% | +4,525+6.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 80,382 | $42.2M | 0.08% | −7,255−8.3% | Reduced |
| PGGM Investments | 84,397 | $44.3M | 0.77% | +51,900+159.7% | Added |
| Tudor Investment Corp Et Al | 84,550 | $44.4M | 0.34% | −41,543−32.9% | Reduced |
| Seizert Capital Partners, LLC | 85,980 | $45.1M | 1.98% | +3,308+4.0% | Added |
| Great West Life Assurance Co | 87,094 | $45.8M | 0.07% | −37,529−30.1% | Reduced |
| New York State Teachers Retirement System | 87,579 | $46.0M | 0.10% | −4,128−4.5% | Reduced |
| Bridgewater Associates, LP | 89,047 | $46.7M | 0.19% | +68,056+324.2% | Added |
| Cubist Systematic Strategies, LLC | 94,942 | $49.8M | 0.54% | +94,942 | New |
| Adage Capital Partners GP, L.L.C. | 95,630 | $50.2M | 0.08% | +2,885+3.1% | Added |
| Harvest Portfolios Group Inc. | 99,000 | $52.0M | 1.21% | +16,076+19.4% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 99,913 | $52.5M | 0.46% | +3,440+3.6% | Added |
| Armistice Capital, LLC | 100,032 | $52.5M | 1.99% | −14,041−12.3% | Reduced |