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; 1,341 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
- 1,341
- −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
- 542 more reduced
16 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 | 1,341 | $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 |
|---|---|---|---|---|---|
| Grandfield & Dodd, LLC | 36,628 | $22.8M | 1.20% | +213+0.6% | Added |
| Captrust Financial Advisors | 36,464 | $22.7M | 0.03% | −2,038−5.3% | Reduced |
| General American Investors Co Inc | 36,362 | $22.7M | 1.37% | +5,000+15.9% | Added |
| Spears Abacus Advisors LLC | 36,099 | $22.5M | 0.40% | −32,815−47.6% | Reduced |
| HRT Financial LP | 36,092 | $22.5M | 0.04% | +36,092 | New |
| Distillate Capital Partners LLC | 36,090 | $22.5M | 1.17% | +7,520+26.3% | Added |
| Vinva Investment Management Ltd | 34,494 | $21.8M | 0.15% | +19,632+132.1% | Added |
| Regions Financial Corp | 34,745 | $21.7M | 0.13% | +1,955+6.0% | Added |
| Empowered Funds, LLC | 33,963 | $21.2M | 0.11% | +18,345+117.5% | Added |
| State of New Jersey Common Pension Fund D | 33,596 | $20.9M | 0.07% | −1,701−4.8% | Reduced |
| Noesis Capital Mangement Corp | 33,201 | $20.7M | 2.49% | +11,821+55.3% | Added |
| Vontobel Holding Ltd. | 33,169 | $20.7M | 0.07% | +4,375+15.2% | Added |
| Aquatic Capital Management LLC | 32,577 | $20.3M | 0.70% | +32,577 | New |
| DDD Partners, LLC | 32,303 | $20.1M | 1.26% | +5,383+20.0% | Added |
| ING Groep NV | 32,086 | $20.0M | 0.10% | +895+2.9% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 31,436 | $19.6M | 0.09% | −1,665−5.0% | Reduced |
| Illinois Municipal Retirement Fund | 30,675 | $19.1M | 0.22% | +5,810+23.4% | Added |
| Nissay Asset Management Corp | 30,636 | $19.1M | 0.08% | +1,767+6.1% | Added |
| XTX Topco Ltd | 30,522 | $19.0M | 0.25% | +30,203+9,468.0% | Added |
| Resona Asset Management Co.,Ltd. | 30,289 | $18.9M | 0.09% | −1,771−5.5% | Reduced |
| Mn Services Vermogensbeheer B.V. | 30,313 | $18.9M | 0.14% | −10,900−26.4% | Reduced |
| Ranmore Fund Management Ltd | 30,000 | $18.7M | 2.07% | +30,000 | New |
| Orion Investment Co | 29,501 | $18.4M | 5.39% | −1,336−4.3% | Reduced |
| Fifth Third Bancorp | 29,244 | $18.2M | 0.03% | −5,666−16.2% | Reduced |
| Jones Financial Companies LLLP | 28,691 | $18.2M | 0.01% | +15,928+124.8% | Added |
| Andra AP-fonden | 28,912 | $18.0M | 0.21% | +24,680+583.2% | Added |
| Arizona State Retirement System | 28,831 | $18.0M | 0.09% | +533+1.9% | Added |
| STRS Ohio | 28,557 | $17.8M | 0.07% | −3,099−9.8% | Reduced |
| Czech National Bank | 28,442 | $17.7M | 0.10% | +989+3.6% | Added |
| Swiss Life Asset Management Ltd | 28,220 | $17.6M | 0.07% | −2,305−7.6% | Reduced |
| One Capital Management, LLC | 22,368 | $17.3M | 0.48% | 00.0% | Unchanged |
| Washington Trust Advisors, Inc. | 27,703 | $17.3M | 1.28% | −1,032−3.6% | Reduced |
| Kimelman & Baird, LLC | 27,671 | $17.3M | 1.27% | +16,815+154.9% | Added |
| Bellecapital International Ltd. | 27,594 | $17.2M | 2.75% | +3,308+13.6% | Added |
| Rhenman & Partners Asset Management AB | 27,390 | $17.1M | 1.61% | −20,710−43.1% | Reduced |
| Teacher Retirement System of Texas | 26,217 | $16.3M | 0.04% | +4,740+22.1% | Added |
| GF Fund Management Co. Ltd. | 25,824 | $16.1M | 0.19% | −2,457−8.7% | Reduced |
| Raiffeisen Bank International AG | 25,423 | $16.1M | 0.19% | +2,220+9.6% | Added |
| State of Michigan Retirement System | 25,621 | $16.0M | 0.07% | −700−2.7% | Reduced |
| Virginia Retirement Systems Et Al | 25,474 | $15.9M | 0.09% | 00.0% | Unchanged |
| Capital International Sarl | 25,458 | $15.9M | 0.22% | +856+3.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 33,880 | $15.9M | 0.03% | −3,716−9.9% | Reduced |
| Factory Mutual Insurance Co | 25,400 | $15.8M | 0.15% | −200−0.8% | Reduced |
| Rakuten Investment Management, Inc. | 24,580 | $15.5M | 0.04% | +3,320+15.6% | Added |
| SEB Asset Management AB | 24,531 | $15.3M | 0.06% | +2,834+13.1% | Added |
| Schroder Investment Management Group | 24,326 | $15.2M | 0.01% | +12,256+101.5% | Added |
| GW Henssler & Associates Ltd | 24,326 | $15.2M | 0.67% | +396+1.7% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 24,190 | $15.1M | 0.13% | +3,619+17.6% | Added |
| IFM Investors Pty Ltd | 24,134 | $15.0M | 0.10% | +3,102+14.7% | Added |
| Generate Investment Management Ltd | 23,000 | $14.3M | 0.59% | +18,092+368.6% | Added |
| Marshall Wace, LLP | 23,000 | $14.3M | 0.01% | +22,647+6,415.6% | Added |
| MetLife Investment Management | 22,880 | $14.3M | 0.06% | −687−2.9% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 22,639 | $14.1M | 0.09% | +6,491+40.2% | Added |
| Walleye Capital LLC | 22,596 | $14.1M | 0.07% | +18,574+461.8% | Added |
| LMR Partners LLP | 22,306 | $13.9M | 0.10% | +22,163+15,498.6% | Added |
| Intech Investment Management LLC | 22,260 | $13.9M | 0.13% | +12,941+138.9% | Added |
| ADAR1 Capital Management, LLC | 22,208 | $13.8M | 0.65% | +10,054+82.7% | Added |
| Oppenheimer & Co Inc | 22,129 | $13.8M | 0.15% | −348−1.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 22,070 | $13.8M | 0.07% | −1,411−6.0% | Reduced |
| Steel Peak Wealth Management LLC | 21,939 | $13.7M | 0.36% | +21,939 | New |
| CIBC World Markets Inc. | 21,806 | $13.6M | 0.02% | +18,040+479.0% | Added |
| Rockefeller Capital Management L.P. | 21,563 | $13.4M | 0.02% | −6,957−24.4% | Reduced |
| CIBC Bancorp USA Inc. | 21,340 | $13.3M | 0.02% | −3,923−15.5% | Reduced |
| USS Investment Management Ltd | 21,035 | $13.1M | 0.05% | +805+4.0% | Added |
| Woodstock Corp | 20,518 | $12.8M | 1.06% | +663+3.3% | Added |
| Ci Investments Inc. | 20,415 | $12.7M | 0.04% | +8,668+73.8% | Added |
| iA Global Asset Management Inc. | 20,154 | $12.6M | 0.15% | −492−2.4% | Reduced |
| Mercer Global Advisors Inc | 20,126 | $12.5M | 0.02% | +73+0.4% | Added |
| Schaper Benz & Wise Investment Counsel Inc | 19,928 | $12.4M | 0.83% | +79+0.4% | Added |
| SNS Financial Group, LLC | 19,746 | $12.3M | 0.24% | +19,746 | New |
| Jefferies Financial Group Inc. | 19,740 | $12.3M | 0.11% | +6,259+46.4% | Added |
| China Universal Asset Management Co., Ltd. | 19,498 | $12.2M | 0.73% | −1,863−8.7% | Reduced |
| Beacon Pointe Advisors, LLC | 19,460 | $12.1M | 0.06% | 00.0% | Unchanged |
| WestEnd Advisors, LLC | 19,419 | $12.1M | 0.27% | −6,194−24.2% | Reduced |
| Nisa Investment Advisors, LLC | 19,412 | $12.1M | 0.04% | −359−1.8% | Reduced |
| Martingale Asset Management L P | 18,953 | $11.8M | 0.28% | +2,092+12.4% | Added |
| Amalgamated Bank | 18,682 | $11.6M | 0.08% | −55−0.3% | Reduced |
| Private Advisor Group, LLC | 18,557 | $11.6M | 0.05% | +1,242+7.2% | Added |
| Varma Mutual Pension Insurance Co | 18,488 | $11.5M | 0.06% | +400+2.2% | Added |
| MML Investors Services, LLC | 18,117 | $11.3M | 0.02% | +1,108+6.5% | Added |
| Xponance, Inc. | 18,063 | $11.3M | 0.07% | +50+0.3% | Added |
| Sio Capital Management, LLC | 18,000 | $11.2M | 1.92% | +18,000 | New |
| Evergreen Capital Management LLC | 17,761 | $11.1M | 0.19% | +4,671+35.7% | Added |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 17,682 | $11.0M | 0.25% | +2,649+17.6% | Added |
| Glenmede Trust Co NA | 17,621 | $11.0M | 0.05% | −438−2.4% | Reduced |
| Macquarie Group Ltd | 17,532 | $10.9M | 0.05% | +4,482+34.3% | Added |
| Hudson Bay Capital Management LP | 17,500 | $10.9M | 0.05% | −14,501−45.3% | Reduced |
| State of Alaska, Department of Revenue | 17,215 | $10.7M | 0.11% | −1,148−6.3% | Reduced |
| Summit Financial, LLC | 17,095 | $10.7M | 0.12% | +629+3.8% | Added |
| Great Lakes Advisors, LLC | 16,928 | $10.6M | 0.08% | +6,696+65.4% | Added |
| F/M Investments LLC | 16,783 | $10.5M | 0.53% | −601−3.5% | Reduced |
| The PNC Financial Services Group, Inc. | 16,662 | $10.4M | 0.01% | −1,564−8.6% | Reduced |
| New York Life Investment Management LLC | 16,588 | $10.3M | 0.07% | −229−1.4% | Reduced |
| Prime Capital Investment Advisors, LLC | 16,572 | $10.3M | 0.10% | +2,656+19.1% | Added |
| North Point Portfolio Managers Corp | 16,403 | $10.2M | 1.69% | −340−2.0% | Reduced |
| Jump Financial, LLC | 16,242 | $10.1M | 0.09% | +16,242 | New |
| Greenwich Wealth Management LLC | 16,094 | $10.0M | 0.37% | −80.0% | Reduced |
| Ethic Inc. | 16,069 | $10.0M | 0.12% | +1,052+7.0% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 16,049 | $10.0M | 0.30% | +1,074+7.2% | Added |
| Engineers Gate Manager LP | 15,918 | $9.93M | 0.13% | +15,557+4,309.4% | Added |