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 |
|---|---|---|---|---|---|
| Horizon Investments, LLC | 13,242 | $6.95M | 0.11% | +11,608+710.4% | Added |
| Janus Henderson Group PLC | 13,088 | $6.87M | 0.00% | −465−3.4% | Reduced |
| Profund Advisors LLC | 12,913 | $6.78M | 0.24% | +1,388+12.0% | Added |
| Greenwood Capital Associates LLC | 12,861 | $6.75M | 0.84% | +4,419+52.3% | Added |
| Generali Asset Management SPA SGR | 12,684 | $6.66M | 0.15% | +1,650+15.0% | Added |
| Headlands Technologies LLC | 12,653 | $6.64M | 0.80% | +9,259+272.8% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 12,606 | $6.62M | 0.05% | −1,088−7.9% | Reduced |
| RK Asset Management, LLC | 12,602 | $6.62M | 6.38% | +39+0.3% | Added |
| Janney Montgomery Scott LLC | 12,590 | $6.61M | 0.02% | −15,452−55.1% | Reduced |
| Slow Capital, Inc. | 12,409 | $6.51M | 0.80% | −7,071−36.3% | Reduced |
| Calamos Advisors LLC | 12,272 | $6.44M | 0.03% | 00.0% | Unchanged |
| NorthCrest Asset Manangement, LLC | 11,554 | $6.32M | 0.17% | −349−2.9% | Reduced |
| Generate Investment Management Ltd | 12,000 | $6.30M | 0.35% | +12,000 | New |
| Harvey Capital Management Inc | 11,742 | $6.28M | 1.47% | −1,350−10.3% | Reduced |
| Trexquant Investment LP | 11,936 | $6.27M | 0.07% | −44,995−79.0% | Reduced |
| Mutual of America Capital Management LLC | 11,892 | $6.24M | 0.07% | −326−2.7% | Reduced |
| Clearbridge Investments, LLC | 11,845 | $6.22M | 0.01% | +5,121+76.2% | Added |
| Atria Investments LLC | 11,469 | $6.02M | 0.07% | +1,442+14.4% | Added |
| Meritage Portfolio Management | 11,455 | $6.01M | 0.38% | +11,455 | New |
| Marietta Wealth Management, LLC | 11,451 | $6.01M | 0.78% | +673+6.2% | Added |
| Anchor Capital Advisors LLC | 11,372 | $5.97M | 0.18% | +375+3.4% | Added |
| OP Asset Management Ltd | 11,345 | $5.96M | 0.09% | −354−3.0% | Reduced |
| Rock Springs Capital Management LP | 11,300 | $5.93M | 0.37% | +8,500+303.6% | Added |
| Swiss Life Asset Management Ltd | 11,158 | $5.86M | 0.03% | +754+7.2% | Added |
| Thompson Siegel & Walmsley LLC | 11,086 | $5.82M | 0.10% | +1,010+10.0% | Added |
| Elo Mutual Pension Insurance Co | 10,917 | $5.73M | 0.12% | −1,215−10.0% | Reduced |
| Yousif Capital Management, LLC | 10,867 | $5.71M | 0.06% | −203−1.8% | Reduced |
| JustInvest LLC | 10,853 | $5.70M | 0.06% | +792+7.9% | Added |
| Captrust Financial Advisors | 10,723 | $5.63M | 0.01% | −3,565−25.0% | Reduced |
| Artia Global Partners LP | 10,671 | $5.60M | 1.44% | +10,671 | New |
| Pathstone Holdings, LLC | 10,543 | $5.53M | 0.02% | −8,595−44.9% | Reduced |
| Qsemble Capital Management, LP | 10,468 | $5.50M | 0.53% | −1,848−15.0% | Reduced |
| Evergreen Wealth Management, LLC | 10,436 | $5.48M | 3.07% | +4,783+84.6% | Added |
| Edgestream Partners, L.P. | 10,373 | $5.45M | 0.15% | +8,124+361.2% | Added |
| Jacobs & Co | 10,294 | $5.40M | 0.54% | +244+2.4% | Added |
| Fifth Third Bancorp | 10,134 | $5.32M | 0.02% | +2,443+31.8% | Added |
| South Dakota Investment Council | 10,119 | $5.31M | 0.10% | +7,769+330.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 9,662 | $5.29M | 0.01% | −24,083−71.4% | Reduced |
| Tang Capital Management LLC | 10,000 | $5.25M | 0.27% | 00.0% | Unchanged |
| General American Investors Co Inc | 9,876 | $5.18M | 0.35% | −5,000−33.6% | Reduced |
| AIMZ Investment Advisors, LLC | 9,854 | $5.17M | 1.73% | 00.0% | Unchanged |
| Legato Capital Management LLC | 9,784 | $5.14M | 0.61% | 00.0% | Unchanged |
| Cetera Investment Advisers | 9,754 | $5.12M | 0.01% | −821−7.8% | Reduced |
| Avanza Fonder AB | 9,737 | $5.11M | 0.15% | +838+9.4% | Added |
| Shell Asset Management Co | 9,696 | $5.09M | 0.18% | −120−1.2% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 9,535 | $5.01M | 0.11% | +674+7.6% | Added |
| Thrivent Financial for Lutherans | 9,513 | $4.99M | 0.01% | −128,777−93.1% | Reduced |
| Creative Planning | 9,485 | $4.98M | 0.00% | −1,882−16.6% | Reduced |
| DCF Advisers, LLC | 9,400 | $4.93M | 2.37% | +500+5.6% | Added |
| Empowered Funds, LLC | 9,400 | $4.93M | 0.06% | +7,207+328.6% | Added |
| ASR Vermogensbeheer N.V. | 9,352 | $4.91M | 0.06% | −133−1.4% | Reduced |
| Sienna Gestion | 10,122 | $4.85M | 0.33% | +957+10.4% | Added |
| Norinchukin Bank, The | 9,154 | $4.81M | 0.07% | +776+9.3% | Added |
| Apriem Advisors | 9,117 | $4.79M | 0.51% | −3,319−26.7% | Reduced |
| Charter Trust Co | 8,976 | $4.71M | 0.30% | +8,976 | New |
| Kayne Anderson Rudnick Investment Management LLC | 8,970 | $4.71M | 0.01% | +404+4.7% | Added |
| Oregon Public Employees Retirement Fund | 8,931 | $4.69M | 0.08% | −100−1.1% | Reduced |
| Massmutual Trust Co FSB | 8,842 | $4.64M | 0.12% | +4,676+112.2% | Added |
| Summit Financial, LLC | 8,810 | $4.63M | 0.10% | −1,786−16.9% | Reduced |
| Suvretta Capital Management, LLC | 8,630 | $4.53M | 0.17% | +8,630 | New |
| Cache Advisors, LLC | 8,616 | $4.52M | 1.22% | 00.0% | Unchanged |
| Biondo Investment Advisors, LLC | 8,501 | $4.46M | 0.59% | +40+0.5% | Added |
| Hunter Perkins Capital Management, LLC | 8,473 | $4.45M | 1.05% | −9−0.1% | Reduced |
| Aigen Investment Management, LP | 8,466 | $4.44M | 0.61% | +5,807+218.4% | Added |
| Clear Harbor Asset Management, LLC | 8,419 | $4.42M | 0.33% | +1,616+23.8% | Added |
| Point72 (DIFC) Ltd | 8,398 | $4.41M | 0.35% | +8,398 | New |
| UniSuper Management Pty Ltd | 8,368 | $4.39M | 0.03% | +566+7.3% | Added |
| Cardinal Capital Management | 8,316 | $4.37M | 0.64% | +280+3.5% | Added |
| Founders Capital Management, LLC | 8,274 | $4.34M | 0.74% | +538+7.0% | Added |
| Teachers Retirement System of the State of Kentucky | 8,244 | $4.33M | 0.04% | +109+1.3% | Added |
| Oak Associates, Ltd | 8,192 | $4.30M | 0.28% | −1,640−16.7% | Reduced |
| Evergreen Capital Management LLC | 8,134 | $4.27M | 0.13% | +4,253+109.6% | Added |
| Pine Valley Investments Ltd Liability Co | 8,109 | $4.26M | 0.25% | +1,747+27.5% | Added |
| Stratos Wealth Advisors, LLC | 8,044 | $4.22M | 0.22% | −183−2.2% | Reduced |
| Woodstock Corp | 8,021 | $4.21M | 0.39% | +906+12.7% | Added |
| Intech Investment Management LLC | 7,895 | $4.14M | 0.04% | −90−1.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 7,844 | $4.12M | 0.03% | −36−0.5% | Reduced |
| Atlas Capital Advisors LLC | 7,758 | $4.07M | 0.50% | −700−8.3% | Reduced |
| Walleye Trading LLC | 7,751 | $4.07M | 0.10% | +4,799+162.6% | Added |
| Abn Amro Investment Solutions | 7,638 | $4.01M | 0.08% | −27,102−78.0% | Reduced |
| Adviser Investments LLC | 7,598 | $3.99M | 0.05% | −10,372−57.7% | Reduced |
| Public Sector Pension Investment Board | 7,591 | $3.99M | 0.02% | −6,464−46.0% | Reduced |
| Fiduciary Trust Co | 7,562 | $3.97M | 0.05% | −406−5.1% | Reduced |
| Vontobel Holding Ltd. | 7,502 | $3.94M | 0.01% | +163+2.2% | Added |
| Bedell Frazier Investment Counseling, LLC | 7,415 | $3.89M | 0.98% | −406−5.2% | Reduced |
| Los Angeles Capital Management LLC | 7,409 | $3.89M | 0.01% | −356−4.6% | Reduced |
| Entropy Technologies, LP | 7,196 | $3.78M | 0.30% | −1,894−20.8% | Reduced |
| Mizuho Securities USA LLC | 7,179 | $3.77M | 0.08% | +7,179 | New |
| Kempen Capital Management N.V. | 7,094 | $3.72M | 0.04% | +1,627+29.8% | Added |
| Modera Wealth Management, LLC | 7,089 | $3.72M | 0.05% | −759−9.7% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 7,065 | $3.71M | 0.66% | −1,860−20.8% | Reduced |
| JB Capital LLC | 6,904 | $3.62M | 0.18% | +6,904 | New |
| Kentucky Retirement Systems | 6,698 | $3.52M | 0.10% | −439−6.2% | Reduced |
| F/M Investments LLC | 6,688 | $3.51M | 0.13% | +89+1.3% | Added |
| Brevan Howard Capital Management LP | 6,682 | $3.51M | 0.04% | −657−9.0% | Reduced |
| Vinva Investment Management Ltd | 6,682 | $3.48M | 0.09% | +1,182+21.5% | Added |
| Cullen/Frost Bankers, Inc. | 6,423 | $3.37M | 0.04% | −445−6.5% | Reduced |
| Madison Asset Management, LLC | 6,401 | $3.36M | 0.04% | −19−0.3% | Reduced |
| Ledyard National Bank | 6,365 | $3.34M | 0.32% | +120+1.9% | Added |
| Hartford Investment Management Co | 6,256 | $3.28M | 0.10% | −162−2.5% | Reduced |