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 4 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, Q1 2026
Institutional positions in Regeneron Pharmaceuticals, Inc. as of Mar 31, 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
- 1,401
- +38 vs. Q4 2025
- Shares held
- 90.5M
- +9.56M (+11.8%) vs. Q4 2025
- Total value
- $69.8B
- +$7.27B (+11.6%) vs. Q4 2025
- New holders
- 138
- 578 more added
- Sold out
- 100
- 461 more reduced
24 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Private Wealth Partners, LLC | 2,095 | $1.62M | 0.12% | −175−7.7% | Reduced |
| Kornitzer Capital Management Inc | 2,074 | $1.60M | 0.03% | +183+9.7% | Added |
| Umpqua Bank | 2,066 | $1.60M | 0.46% | +108+5.5% | Added |
| Bull Harbor Capital LLC | 2,066 | $1.60M | 0.43% | +2,066 | New |
| Keybank National Association | 2,063 | $1.59M | 0.01% | +388+23.2% | Added |
| Harrell Investment Partners, LLC | 2,062 | $1.59M | 0.38% | −16−0.8% | Reduced |
| Prentiss Smith & Co Inc | 2,060 | $1.59M | 0.92% | −3−0.1% | Reduced |
| Monetta Financial Services Inc | 2,060 | $1.59M | 1.23% | 00.0% | Unchanged |
| Vega Investment Solutions | 2,057 | $1.59M | 0.38% | −10,631−83.8% | Reduced |
| Benjamin Edwards Inc | 2,053 | $1.59M | 0.02% | −2,251−52.3% | Reduced |
| Generali Investments, Management Co LLC | 2,042 | $1.58M | 0.37% | +176+9.4% | Added |
| Vestcor Inc | 2,026 | $1.56M | 0.04% | −7−0.3% | Reduced |
| Grove Bank & Trust | 2,015 | $1.56M | 0.18% | +362+21.9% | Added |
| Sigma Planning Corp | 2,012 | $1.55M | 0.04% | +1,238+159.9% | Added |
| 1832 Asset Management L.P. | 2,000 | $1.55M | 0.00% | −214,864−99.1% | Reduced |
| Signaturefd, LLC | 1,995 | $1.54M | 0.02% | +187+10.3% | Added |
| Portside Wealth Group, LLC | 1,978 | $1.53M | 0.21% | +192+10.8% | Added |
| Banque Cantonale Vaudoise | 1,970 | $1.52M | 0.06% | +808+69.5% | Added |
| Concurrent Investment Advisors, LLC | 1,968 | $1.52M | 0.02% | −592−23.1% | Reduced |
| Odyssean, LLC | 1,957 | $1.51M | 0.55% | +989+102.2% | Added |
| Savant Capital, LLC | 1,941 | $1.50M | 0.01% | −113−5.5% | Reduced |
| EFG International AG | 1,940 | $1.50M | 0.03% | +55+2.9% | Added |
| Evolve Private Wealth, LLC | 1,939 | $1.50M | 0.08% | −89−4.4% | Reduced |
| Chicago Partners Investment Group LLC | 2,001 | $1.49M | 0.03% | +656+48.8% | Added |
| Altfest L J & Co Inc | 1,930 | $1.49M | 0.16% | −982−33.7% | Reduced |
| Texas Yale Capital Corp. | 1,924 | $1.49M | 0.04% | 00.0% | Unchanged |
| Argent Trust Co | 1,922 | $1.49M | 0.05% | +20+1.1% | Added |
| Nwam LLC | 1,917 | $1.48M | 0.09% | +195+11.3% | Added |
| Skopos Labs, Inc. | 1,889 | $1.46M | 0.05% | +663+54.1% | Added |
| Farther Finance Advisors, LLC | 1,870 | $1.45M | 0.01% | −122−6.1% | Reduced |
| EverSource Wealth Advisors, LLC | 1,880 | $1.45M | 0.04% | +517+37.9% | Added |
| Coldstream Capital Management Inc | 1,874 | $1.45M | 0.02% | +27+1.5% | Added |
| Vestmark Advisory Solutions, Inc. | 1,867 | $1.44M | 0.02% | +567+43.6% | Added |
| AlTi Global, Inc. | 1,857 | $1.43M | 0.03% | +1,407+312.7% | Added |
| Equitable Holdings, Inc. | 1,829 | $1.41M | 0.01% | +624+51.8% | Added |
| Empire Financial Management Company, LLC | 1,826 | $1.41M | 0.32% | +1,826 | New |
| RMB Capital Management, LLC | 1,820 | $1.41M | 0.03% | −20−1.1% | Reduced |
| Atomi Financial Group, Inc. | 1,811 | $1.40M | 0.04% | +135+8.1% | Added |
| Brown Brothers Harriman & Co | 1,802 | $1.39M | 0.01% | +737+69.2% | Added |
| Brinker Capital Investments, LLC | 1,761 | $1.36M | 0.01% | −52−2.9% | Reduced |
| Marex Group plc | 1,739 | $1.34M | 0.01% | −29,450−94.4% | Reduced |
| Capstone Wealth Management Group, LLC | 1,736 | $1.34M | 0.56% | +2+0.1% | Added |
| Oak Grove Capital LLC | 1,730 | $1.34M | 0.23% | 00.0% | Unchanged |
| Bessemer Group Inc | 1,728 | $1.34M | 0.00% | −2,653−60.6% | Reduced |
| Waddell & Associates, LLC | 1,729 | $1.34M | 0.08% | +544+45.9% | Added |
| ICICI Prudential Asset Management Co Ltd | 1,721 | $1.33M | 0.16% | +64+3.9% | Added |
| SummitTX Capital, L.P. | 1,713 | $1.32M | 0.04% | +1,713 | New |
| Mesirow Financial Investment Management, Inc. | 1,702 | $1.32M | 0.02% | +379+28.6% | Added |
| Easterly Investment Partners LLC | 1,753 | $1.32M | 0.10% | −16−0.9% | Reduced |
| Personal Cfo Solutions, LLC | 1,695 | $1.31M | 0.18% | −157−8.5% | Reduced |
| Gilbert & Cook, Inc. | 1,695 | $1.31M | 0.17% | −14−0.8% | Reduced |
| Park Avenue Securities LLC | 1,675 | $1.29M | 0.01% | +59+3.7% | Added |
| CWA Asset Management Group, LLC | 1,671 | $1.29M | 0.04% | −128−7.1% | Reduced |
| Sava Infond d.o.o. | 1,670 | $1.29M | 0.18% | +520+45.2% | Added |
| Caerus Investment Advisors, LLC | 1,666 | $1.29M | 0.54% | +27+1.6% | Added |
| TCW Group Inc | 1,665 | $1.29M | 0.01% | −374−18.3% | Reduced |
| Blue Jean Financial LLC | 1,663 | $1.28M | 1.06% | +1,663 | New |
| Jacobi Capital Management LLC | 1,634 | $1.26M | 0.07% | +23+1.4% | Added |
| Norden Group LLC | 1,622 | $1.25M | 0.12% | +163+11.2% | Added |
| Journey Strategic Wealth LLC | 1,572 | $1.21M | 0.03% | +265+20.3% | Added |
| Legacy Financial Advisors, Inc. | 1,552 | $1.20M | 0.17% | +167+12.1% | Added |
| Fairfield, Bush & Co. | 1,532 | $1.18M | 0.66% | −146−8.7% | Reduced |
| Coastal Bridge Advisors, LLC | 1,521 | $1.18M | 0.08% | +1,521 | New |
| Balyasny Asset Management LLC | 1,505 | $1.16M | 0.00% | −67,080−97.8% | Reduced |
| Acorn Financial Advisory Services Inc | 1,503 | $1.16M | 0.16% | 00.0% | Unchanged |
| Empirical Finance, LLC | 1,501 | $1.16M | 0.05% | −15−1.0% | Reduced |
| Cumberland Partners Ltd | 1,500 | $1.16M | 0.09% | +1,500 | New |
| Moss Adams Wealth Advisors LLC | 1,497 | $1.16M | 0.08% | +38+2.6% | Added |
| Spartan Wealth Advisory Services LLC | 1,494 | $1.15M | 0.10% | +1,494 | New |
| WP Advisors, LLC | 1,487 | $1.15M | 0.30% | −79−5.0% | Reduced |
| Rothschild Investment LLC | 1,486 | $1.15M | 0.06% | +511+52.4% | Added |
| Greenleaf Trust | 1,485 | $1.15M | 0.01% | +13+0.9% | Added |
| Verition Fund Management LLC | 1,478 | $1.14M | 0.01% | −8,013−84.4% | Reduced |
| Atlantic Edge Private Wealth Management, LLC | 1,474 | $1.14M | 0.28% | +10+0.7% | Added |
| IFP Advisors, Inc | 1,468 | $1.13M | 0.02% | −26−1.7% | Reduced |
| Sienna Gestion | 1,499 | $1.13M | 0.07% | 00.0% | Unchanged |
| USA Financial Portformulas Corp | 1,457 | $1.13M | 0.21% | +1,457 | New |
| PeakShares LLC | 1,450 | $1.12M | 1.03% | +22+1.5% | Added |
| Copeland Capital Management, LLC | 1,449 | $1.12M | 0.02% | +13+0.9% | Added |
| Delta Financial Advisors LLC | 1,444 | $1.12M | 0.29% | −9−0.6% | Reduced |
| EP Wealth Advisors, LLC | 1,444 | $1.12M | 0.01% | −192−11.7% | Reduced |
| Oasis Advisors, LLC | 1,440 | $1.11M | 0.22% | +1,440 | New |
| U.S. Capital Wealth Advisors, LLC | 1,432 | $1.11M | 0.03% | +948+195.9% | Added |
| Analyst IMS Investment Management Services Ltd. | 1,425 | $1.10M | 0.03% | 00.0% | Unchanged |
| Nilsine Partners, LLC | 1,471 | $1.10M | 0.09% | −113−7.1% | Reduced |
| Ritholtz Wealth Management | 1,408 | $1.09M | 0.02% | +172+13.9% | Added |
| Vise Technologies, Inc. | 1,402 | $1.08M | 0.02% | 00.0% | Unchanged |
| Generali Investments Towarzystwo Funduszy Inwestycyjnych | 1,400 | $1.08M | 0.56% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 1,399 | $1.08M | 0.03% | −110−7.3% | Reduced |
| Polymer Capital Management (US) LLC | 1,382 | $1.07M | 0.16% | +447+47.8% | Added |
| RFG Advisory, LLC | 1,376 | $1.06M | 0.02% | +1,376 | New |
| Meeder Advisory Services, Inc. | 1,371 | $1.06M | 0.04% | +121+9.7% | Added |
| Baker Tilly Wealth Management, LLC | 1,364 | $1.05M | 0.26% | +57+4.4% | Added |
| Blair William & Co | 1,364 | $1.05M | 0.00% | +66+5.1% | Added |
| Bokf, NA | 1,351 | $1.04M | 0.02% | −25−1.8% | Reduced |
| Howard Capital Management Inc. | 1,340 | $1.04M | 0.02% | −1,768−56.9% | Reduced |
| Employees Retirement System of Texas | 1,324 | $1.02M | 0.01% | 00.0% | Unchanged |
| DoubleLine ETF Adviser LP | 1,316 | $1.02M | 0.39% | +1,316 | New |
| Tiaa-Cref Individual & Institutional Services, LLC | 1,310 | $1.01M | 0.00% | +1,310 | New |
| Sheets Smith Wealth Management | 1,299 | $1.00M | 0.11% | +2+0.2% | Added |