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 2026
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
- 1,342
- −44 vs. Q1 2026
- Shares held
- 91.4M
- +1.18M (+1.3%) vs. Q1 2026
- Total value
- $57.1B
- −$12.5B (−17.9%) vs. Q1 2026
- New holders
- 125
- 485 more added
- Sold out
- 169
- 543 more reduced
15 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital International Sarl | 25,458 | $15.9M | 0.22% | +856+3.5% | Added |
| Virginia Retirement Systems Et Al | 25,474 | $15.9M | 0.09% | 00.0% | Unchanged |
| State of Michigan Retirement System | 25,621 | $16.0M | 0.07% | −700−2.7% | Reduced |
| Raiffeisen Bank International AG | 25,423 | $16.1M | 0.19% | +2,220+9.6% | Added |
| GF Fund Management Co. Ltd. | 25,824 | $16.1M | 0.19% | −2,457−8.7% | Reduced |
| Teacher Retirement System of Texas | 26,217 | $16.3M | 0.04% | +4,740+22.1% | Added |
| Rhenman & Partners Asset Management AB | 27,390 | $17.1M | 1.61% | −20,710−43.1% | Reduced |
| Bellecapital International Ltd. | 27,594 | $17.2M | 2.75% | +3,308+13.6% | Added |
| Kimelman & Baird, LLC | 27,671 | $17.3M | 1.27% | +16,815+154.9% | Added |
| Washington Trust Advisors, Inc. | 27,703 | $17.3M | 1.28% | −1,032−3.6% | Reduced |
| One Capital Management, LLC | 22,368 | $17.3M | 0.48% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 28,220 | $17.6M | 0.07% | −2,305−7.6% | Reduced |
| Czech National Bank | 28,442 | $17.7M | 0.10% | +989+3.6% | Added |
| STRS Ohio | 28,557 | $17.8M | 0.07% | −3,099−9.8% | Reduced |
| Arizona State Retirement System | 28,831 | $18.0M | 0.09% | +533+1.9% | Added |
| Andra AP-fonden | 28,912 | $18.0M | 0.21% | +24,680+583.2% | Added |
| Jones Financial Companies LLLP | 28,691 | $18.2M | 0.01% | +15,928+124.8% | Added |
| Fifth Third Bancorp | 29,244 | $18.2M | 0.03% | −5,666−16.2% | Reduced |
| Orion Investment Co | 29,501 | $18.4M | 5.39% | −1,336−4.3% | Reduced |
| Ranmore Fund Management Ltd | 30,000 | $18.7M | 2.07% | +30,000 | New |
| Mn Services Vermogensbeheer B.V. | 30,313 | $18.9M | 0.14% | −10,900−26.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 30,289 | $18.9M | 0.09% | −1,771−5.5% | Reduced |
| XTX Topco Ltd | 30,522 | $19.0M | 0.25% | +30,203+9,468.0% | Added |
| Nissay Asset Management Corp | 30,636 | $19.1M | 0.08% | +1,767+6.1% | Added |
| Illinois Municipal Retirement Fund | 30,675 | $19.1M | 0.22% | +5,810+23.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 31,436 | $19.6M | 0.09% | −1,665−5.0% | Reduced |
| ING Groep NV | 32,086 | $20.0M | 0.10% | +895+2.9% | Added |
| DDD Partners, LLC | 32,303 | $20.1M | 1.26% | +5,383+20.0% | Added |
| Aquatic Capital Management LLC | 32,577 | $20.3M | 0.70% | +32,577 | New |
| Vontobel Holding Ltd. | 33,169 | $20.7M | 0.07% | +4,375+15.2% | Added |
| Noesis Capital Mangement Corp | 33,201 | $20.7M | 2.49% | +11,821+55.3% | Added |
| State of New Jersey Common Pension Fund D | 33,596 | $20.9M | 0.07% | −1,701−4.8% | Reduced |
| Empowered Funds, LLC | 33,963 | $21.2M | 0.11% | +18,345+117.5% | Added |
| Regions Financial Corp | 34,745 | $21.7M | 0.13% | +1,955+6.0% | Added |
| Vinva Investment Management Ltd | 34,494 | $21.8M | 0.15% | +19,632+132.1% | Added |
| Distillate Capital Partners LLC | 36,090 | $22.5M | 1.17% | +7,520+26.3% | Added |
| HRT Financial LP | 36,092 | $22.5M | 0.04% | +36,092 | New |
| Spears Abacus Advisors LLC | 36,099 | $22.5M | 0.40% | −32,815−47.6% | Reduced |
| General American Investors Co Inc | 36,362 | $22.7M | 1.37% | +5,000+15.9% | Added |
| Captrust Financial Advisors | 36,464 | $22.7M | 0.03% | −2,038−5.3% | Reduced |
| Grandfield & Dodd, LLC | 36,628 | $22.8M | 1.20% | +213+0.6% | Added |
| LMCG Investments, LLC | 36,837 | $23.0M | 1.23% | −2,142−5.5% | Reduced |
| Lazard Asset Management LLC | 36,910 | $23.0M | 0.03% | +19,906+117.1% | Added |
| Creative Planning | 36,949 | $23.0M | 0.01% | −3,203−8.0% | Reduced |
| Tamar Securities, LLC | 37,102 | $23.1M | 2.16% | +1,903+5.4% | Added |
| Howland Capital Management LLC | 37,174 | $23.2M | 0.84% | −2,171−5.5% | Reduced |
| Nykredit A/S | 38,439 | $24.0M | 0.09% | +38,439 | New |
| D. E. Shaw & Co., Inc. | 38,477 | $24.0M | 0.01% | +15,747+69.3% | Added |
| Storebrand Asset Management AS | 38,479 | $24.0M | 0.06% | +2,540+7.1% | Added |
| Rafferty Asset Management, LLC | 38,534 | $24.0M | 0.05% | +8,945+30.2% | Added |
| Daiwa Securities Group Inc. | 38,643 | $24.1M | 0.05% | +2,118+5.8% | Added |
| Truist Financial Corp | 38,731 | $24.2M | 0.03% | −1,377−3.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 38,792 | $24.2M | 0.02% | +522+1.4% | Added |
| Credit Agricole S A | 38,977 | $24.3M | 0.06% | −53,439−57.8% | Reduced |
| Erste Asset Management GmbH | 38,716 | $24.5M | 0.19% | −18,493−32.3% | Reduced |
| Cerity Partners LLC | 39,274 | $24.5M | 0.03% | −4,698−10.7% | Reduced |
| Sanctuary Advisors, LLC | 39,923 | $24.9M | 0.12% | −708−1.7% | Reduced |
| Integral Health Asset Management, LLC | 40,000 | $24.9M | 1.02% | −45,000−52.9% | Reduced |
| Vestal Point Capital, LP | 40,000 | $24.9M | 0.58% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 41,660 | $26.0M | 0.06% | −857−2.0% | Reduced |
| Trexquant Investment LP | 41,839 | $26.1M | 0.16% | +30,767+277.9% | Added |
| Nomura Asset Management Co Ltd | 42,310 | $26.4M | 0.06% | −11,624−21.6% | Reduced |
| Atwood & Palmer Inc | 42,332 | $26.4M | 1.41% | +630+1.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 42,465 | $26.5M | 0.05% | +10,301+32.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 42,742 | $26.7M | 0.13% | +12,040+39.2% | Added |
| Public Employees Retirement System of Ohio | 43,579 | $27.2M | 0.08% | −307−0.7% | Reduced |
| Toroso Investments, LLC | 43,896 | $27.4M | 0.07% | +4,244+10.7% | Added |
| ARS Investment Partners, LLC | 45,484 | $28.4M | 1.24% | +214+0.5% | Added |
| Public Sector Pension Investment Board | 45,832 | $28.6M | 0.07% | −6,205−11.9% | Reduced |
| Guggenheim Capital LLC | 45,969 | $28.7M | 0.19% | +3,060+7.1% | Added |
| Stifel Financial Corp | 46,378 | $28.9M | 0.02% | −2,529−5.2% | Reduced |
| State of Tennessee, Treasury Department | 46,766 | $29.2M | 0.09% | +5,308+12.8% | Added |
| Nomura Asset Management International Inc. | 47,005 | $29.3M | 0.04% | −7,470−13.7% | Reduced |
| Quantinno Capital Management LP | 47,009 | $29.3M | 0.04% | −1,242−2.6% | Reduced |
| Wedge Capital Management L L P | 47,775 | $29.8M | 0.49% | +8,063+20.3% | Added |
| Ensign Peak Advisors, Inc | 48,022 | $29.9M | 0.05% | +28,970+152.1% | Added |
| Tredje AP-fonden | 48,079 | $30.0M | 0.14% | +18,331+61.6% | Added |
| Ieq Capital, LLC | 48,105 | $30.0M | 0.14% | −30,197−38.6% | Reduced |
| CBOE Vest Financial, LLC | 48,482 | $30.2M | 0.32% | +29,119+150.4% | Added |
| Toronto Dominion Bank | 48,783 | $30.4M | 0.05% | +10,356+26.9% | Added |
| Quadrature Capital Ltd | 49,073 | $30.6M | 0.26% | +30,471+163.8% | Added |
| DnB Asset Management AS | 49,314 | $30.7M | 0.09% | +5,933+13.7% | Added |
| Bridgewater Associates, LP | 51,333 | $32.0M | 0.13% | +28,609+125.9% | Added |
| Asset Management One Co.,Ltd. | 51,397 | $32.0M | 0.08% | +592+1.2% | Added |
| Banco Santander, S.A. | 51,479 | $32.1M | 0.20% | +10,889+26.8% | Added |
| Handelsbanken Fonder AB | 52,328 | $32.6M | 0.09% | −72,708−58.1% | Reduced |
| Baird Financial Group, Inc. | 52,845 | $33.0M | 0.05% | −4,744−8.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 52,947 | $33.0M | 0.08% | +1,642+3.2% | Added |
| State of Wisconsin Investment Board | 55,287 | $34.5M | 0.07% | +130.0% | Added |
| Cambiar Investors LLC | 57,573 | $35.9M | 1.56% | −610−1.0% | Reduced |
| Citadel Advisors LLC | 57,604 | $35.9M | 0.02% | +9,917+20.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 59,595 | $37.2M | 0.04% | −10,259−14.7% | Reduced |
| Treasurer of the State of North Carolina | 60,132 | $37.5M | 0.10% | −250−0.4% | Reduced |
| SEI Investments Co | 60,441 | $37.7M | 0.03% | −14,559−19.4% | Reduced |
| American Century Companies Inc | 62,209 | $38.8M | 0.02% | −499,888−88.9% | Reduced |
| Clearbridge Investments, LLC | 63,636 | $39.7M | 0.03% | −10,156−13.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 63,644 | $39.7M | 0.08% | −25,227−28.4% | Reduced |
| HighTower Advisors, LLC | 64,650 | $40.3M | 0.04% | +5,725+9.7% | Added |
| Van Eck Associates Corp | 65,332 | $40.7M | 0.02% | +2,748+4.4% | Added |
| Voya Investment Management LLC | 65,505 | $40.8M | 0.04% | −284,407−81.3% | Reduced |