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, Q3 2025
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 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
- 1,243
- +62 vs. Q2 2025
- Shares held
- 87.1M
- −936.8K (−1.1%) vs. Q2 2025
- Total value
- $49.0B
- +$2.72B (+5.9%) vs. Q2 2025
- New holders
- 173
- 487 more added
- Sold out
- 111
- 418 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hudson Bay Capital Management LP | 33,791 | $19.0M | 0.12% | −32,567−49.1% | Reduced |
| KBC Group NV | 33,262 | $18.7M | 0.04% | −3,310−9.1% | Reduced |
| CIBC Asset Management Inc | 32,338 | $18.2M | 0.05% | −585−1.8% | Reduced |
| Tamar Securities, LLC | 32,266 | $18.1M | 2.07% | +1,885+6.2% | Added |
| Mariner, LLC | 31,940 | $18.0M | 0.02% | +10,125+46.4% | Added |
| Daiwa Securities Group Inc. | 31,829 | $17.9M | 0.06% | +7,500+30.8% | Added |
| General American Investors Co Inc | 31,362 | $17.6M | 1.10% | +21,486+217.6% | Added |
| Ensign Peak Advisors, Inc | 31,163 | $17.5M | 0.03% | +6,385+25.8% | Added |
| Arizona State Retirement System | 30,998 | $17.4M | 0.09% | −224−0.7% | Reduced |
| Quantinno Capital Management LP | 30,975 | $17.4M | 0.05% | +15,366+98.4% | Added |
| Orion Investment Co | 30,637 | $17.2M | 5.50% | +366+1.2% | Added |
| Traynor Capital Management, Inc. | 30,608 | $17.2M | 0.99% | +1,129+3.8% | Added |
| Diadema Partners LP | 30,160 | $17.0M | 11.81% | +24,553+437.9% | Added |
| Wolverine Trading, LLC | 30,161 | $16.9M | 0.34% | +10,583+54.1% | Added |
| Spears Abacus Advisors LLC | 30,079 | $16.9M | 0.32% | +3,618+13.7% | Added |
| R.P. Boggs & Co. | 29,745 | $16.7M | 7.59% | +69+0.2% | Added |
| Washington Trust Advisors, Inc. | 29,725 | $16.7M | 1.27% | −236−0.8% | Reduced |
| ARS Investment Partners, LLC | 28,769 | $16.2M | 1.07% | +7,914+37.9% | Added |
| GF Fund Management Co. Ltd. | 28,712 | $16.1M | 0.29% | −594−2.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 26,800 | $16.1M | 0.03% | −6,253−18.9% | Reduced |
| Teacher Retirement System of Texas | 28,383 | $16.0M | 0.06% | −2,558−8.3% | Reduced |
| Storebrand Asset Management AS | 28,142 | $15.8M | 0.04% | −184−0.6% | Reduced |
| Capital International Ltd | 27,912 | $15.7M | 0.57% | −5,999−17.7% | Reduced |
| Bellecapital International Ltd. | 27,779 | $15.6M | 2.52% | +2,276+8.9% | Added |
| ExodusPoint Capital Management, LP | 27,732 | $15.6M | 0.22% | +27,732 | New |
| State of Michigan Retirement System | 27,521 | $15.5M | 0.07% | −700−2.5% | Reduced |
| Nissay Asset Management Corp | 27,063 | $15.2M | 0.08% | +107+0.4% | Added |
| Illinois Municipal Retirement Fund | 26,287 | $14.8M | 0.19% | +2,599+11.0% | Added |
| Czech National Bank | 25,873 | $14.5M | 0.10% | +489+1.9% | Added |
| Rockefeller Capital Management L.P. | 25,842 | $14.5M | 0.03% | −3,778−12.8% | Reduced |
| Schroder Investment Management Group | 25,755 | $14.5M | 0.01% | +3,750+17.0% | Added |
| Voleon Capital Management LP | 25,718 | $14.5M | 0.35% | +7,055+37.8% | Added |
| Factory Mutual Insurance Co | 25,600 | $14.4M | 0.14% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 25,535 | $14.4M | 0.13% | +25,535 | New |
| MetLife Investment Management | 25,318 | $14.2M | 0.07% | −1,152−4.4% | Reduced |
| Vestal Point Capital, LP | 25,000 | $14.1M | 0.64% | +25,000 | New |
| Nomura Holdings Inc | 24,732 | $13.9M | 0.06% | +18,599+303.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 24,463 | $13.8M | 0.07% | −1,006−3.9% | Reduced |
| GW Henssler & Associates Ltd | 24,219 | $13.6M | 0.68% | +2,737+12.7% | Added |
| Oppenheimer & Co Inc | 23,714 | $13.3M | 0.16% | +1,597+7.2% | Added |
| Swiss Life Asset Management Ltd | 23,658 | $13.3M | 0.07% | +12,500+112.0% | Added |
| Applied Finance Capital Management, LLC | 22,219 | $12.5M | 0.89% | −764−3.3% | Reduced |
| Forsta Ap-Fonden | 21,900 | $12.3M | 0.07% | +800+3.8% | Added |
| Private Advisor Group, LLC | 21,822 | $12.3M | 0.06% | +2,631+13.7% | Added |
| Schaper Benz & Wise Investment Counsel Inc | 21,728 | $12.2M | 0.91% | −629−2.8% | Reduced |
| Ruffer LLP | 21,540 | $12.1M | 0.67% | +21,540 | New |
| Raiffeisen Bank International AG | 21,586 | $12.1M | 0.16% | +2,026+10.4% | Added |
| DDD Partners, LLC | 21,361 | $12.0M | 0.76% | +865+4.2% | Added |
| China Universal Asset Management Co., Ltd. | 21,359 | $12.0M | 0.99% | −3,178−13.0% | Reduced |
| J. Goldman & Co LP | 21,266 | $12.0M | 0.45% | −12,580−37.2% | Reduced |
| Noesis Capital Mangement Corp | 21,165 | $11.9M | 1.85% | +20,765+5,191.3% | Added |
| Meritage Portfolio Management | 20,941 | $11.8M | 0.78% | +9,486+82.8% | Added |
| One Capital Management, LLC | 20,860 | $11.7M | 0.37% | +1,140+5.8% | Added |
| Assetmark, Inc | 20,819 | $11.7M | 0.03% | −106,802−83.7% | Reduced |
| IFM Investors Pty Ltd | 20,663 | $11.7M | 0.10% | −634−3.0% | Reduced |
| Cerity Partners LLC | 20,534 | $11.5M | 0.02% | +6,676+48.2% | Added |
| Univest Financial Corp | 20,323 | $11.4M | 0.64% | −223−1.1% | Reduced |
| iA Global Asset Management Inc. | 20,248 | $11.4M | 0.16% | +1,008+5.2% | Added |
| Nikko Asset Management Americas, Inc. | 20,224 | $11.4M | 0.11% | −3,090−13.3% | Reduced |
| Nisa Investment Advisors, LLC | 20,012 | $11.3M | 0.04% | −739−3.6% | Reduced |
| Creative Planning | 19,939 | $11.2M | 0.01% | +10,454+110.2% | Added |
| PFM Health Sciences, LP | 19,890 | $11.2M | 0.95% | +19,890 | New |
| Varma Mutual Pension Insurance Co | 19,888 | $11.2M | 0.07% | +1,700+9.3% | Added |
| Summit Global Investments | 19,623 | $11.0M | 0.64% | +19,623 | New |
| Amalgamated Bank | 19,440 | $10.9M | 0.08% | −623−3.1% | Reduced |
| State of Alaska, Department of Revenue | 19,253 | $10.8M | 0.11% | −712−3.6% | Reduced |
| Engineers Gate Manager LP | 19,074 | $10.7M | 0.12% | −10,955−36.5% | Reduced |
| Horizon Investments, LLC | 19,029 | $10.7M | 0.14% | +5,787+43.7% | Added |
| La Banque Postale Asset Management SA | 18,856 | $10.6M | 0.13% | +18,295+3,261.1% | Added |
| Balyasny Asset Management LLC | 18,852 | $10.6M | 0.02% | −134,584−87.7% | Reduced |
| MML Investors Services, LLC | 18,849 | $10.6M | 0.03% | +3,470+22.6% | Added |
| Generate Investment Management Ltd | 18,778 | $10.6M | 0.54% | +6,778+56.5% | Added |
| USS Investment Management Ltd | 18,280 | $10.3M | 0.05% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 17,585 | $10.3M | 0.02% | +7,923+82.0% | Added |
| Solas Capital Management, LLC | 18,218 | $10.2M | 6.25% | −376−2.0% | Reduced |
| CIBC Bancorp USA Inc. | 18,022 | $10.1M | 0.06% | +18,022 | New |
| Suvretta Capital Management, LLC | 17,730 | $9.97M | 0.30% | +9,100+105.4% | Added |
| Comerica Bank | 17,690 | $9.95M | 0.04% | +2,783+18.7% | Added |
| CI Private Wealth, LLC | 17,372 | $9.77M | 0.02% | +174+1.0% | Added |
| The PNC Financial Services Group, Inc. | 17,316 | $9.74M | 0.01% | +2,601+17.7% | Added |
| Utah Retirement Systems | 17,225 | $9.69M | 0.09% | +23+0.1% | Added |
| AIA Group Ltd | 17,187 | $9.66M | 0.17% | −70−0.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,791 | $9.44M | 0.08% | +914+5.8% | Added |
| North Point Portfolio Managers Corp | 16,731 | $9.41M | 1.56% | −146−0.9% | Reduced |
| Eversept Partners, LP | 16,720 | $9.40M | 0.72% | +3,466+26.2% | Added |
| Woodstock Corp | 16,610 | $9.34M | 0.81% | +8,589+107.1% | Added |
| Ethic Inc. | 16,493 | $9.27M | 0.15% | −354−2.1% | Reduced |
| Verition Fund Management LLC | 16,424 | $9.23M | 0.05% | −5,378−24.7% | Reduced |
| Allianz Asset Management GmbH | 16,412 | $9.23M | 0.01% | −13,975−46.0% | Reduced |
| Greenwich Wealth Management LLC | 16,161 | $9.09M | 0.45% | +70.0% | Added |
| Commonwealth Equity Services, LLC | 16,134 | $9.07M | 0.01% | −1,621−9.1% | Reduced |
| Klingenstein Fields & Co LP | 16,073 | $9.04M | 0.34% | −26−0.2% | Reduced |
| Cetera Investment Advisers | 16,049 | $9.02M | 0.01% | +6,295+64.5% | Added |
| Janney Montgomery Scott LLC | 15,766 | $8.87M | 0.02% | +3,176+25.2% | Added |
| CIBC World Markets Inc. | 15,733 | $8.85M | 0.02% | +10,999+232.3% | Added |
| ADAR1 Capital Management, LLC | 15,700 | $8.83M | 0.87% | +12,339+367.1% | Added |
| Toroso Investments, LLC | 15,577 | $8.76M | 0.04% | +2,297+17.3% | Added |
| LMR Partners LLP | 15,574 | $8.76M | 0.11% | −28,070−64.3% | Reduced |
| Xponance, Inc. | 15,274 | $8.59M | 0.07% | −591−3.7% | Reduced |
| British Columbia Investment Management Corp | 15,256 | $8.58M | 0.05% | −1,573−9.3% | Reduced |