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 |
|---|---|---|---|---|---|
| Arnhold LLC | 6,228 | $3.27M | 0.30% | +6,228 | New |
| Hartford Investment Management Co | 6,256 | $3.28M | 0.10% | −162−2.5% | Reduced |
| Ledyard National Bank | 6,365 | $3.34M | 0.32% | +120+1.9% | Added |
| Madison Asset Management, LLC | 6,401 | $3.36M | 0.04% | −19−0.3% | Reduced |
| Cullen/Frost Bankers, Inc. | 6,423 | $3.37M | 0.04% | −445−6.5% | Reduced |
| Vinva Investment Management Ltd | 6,682 | $3.48M | 0.09% | +1,182+21.5% | Added |
| Brevan Howard Capital Management LP | 6,682 | $3.51M | 0.04% | −657−9.0% | Reduced |
| F/M Investments LLC | 6,688 | $3.51M | 0.13% | +89+1.3% | Added |
| Kentucky Retirement Systems | 6,698 | $3.52M | 0.10% | −439−6.2% | Reduced |
| JB Capital LLC | 6,904 | $3.62M | 0.18% | +6,904 | New |
| Capital Group Investment Management Pte. Ltd. | 7,065 | $3.71M | 0.66% | −1,860−20.8% | Reduced |
| Modera Wealth Management, LLC | 7,089 | $3.72M | 0.05% | −759−9.7% | Reduced |
| Kempen Capital Management N.V. | 7,094 | $3.72M | 0.04% | +1,627+29.8% | Added |
| Mizuho Securities USA LLC | 7,179 | $3.77M | 0.08% | +7,179 | New |
| Entropy Technologies, LP | 7,196 | $3.78M | 0.30% | −1,894−20.8% | Reduced |
| Los Angeles Capital Management LLC | 7,409 | $3.89M | 0.01% | −356−4.6% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 7,415 | $3.89M | 0.98% | −406−5.2% | Reduced |
| Vontobel Holding Ltd. | 7,502 | $3.94M | 0.01% | +163+2.2% | Added |
| Fiduciary Trust Co | 7,562 | $3.97M | 0.05% | −406−5.1% | Reduced |
| Public Sector Pension Investment Board | 7,591 | $3.99M | 0.02% | −6,464−46.0% | Reduced |
| Adviser Investments LLC | 7,598 | $3.99M | 0.05% | −10,372−57.7% | Reduced |
| Abn Amro Investment Solutions | 7,638 | $4.01M | 0.08% | −27,102−78.0% | Reduced |
| Walleye Trading LLC | 7,751 | $4.07M | 0.10% | +4,799+162.6% | Added |
| Atlas Capital Advisors LLC | 7,758 | $4.07M | 0.50% | −700−8.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 7,844 | $4.12M | 0.03% | −36−0.5% | Reduced |
| Intech Investment Management LLC | 7,895 | $4.14M | 0.04% | −90−1.1% | Reduced |
| Woodstock Corp | 8,021 | $4.21M | 0.39% | +906+12.7% | Added |
| Stratos Wealth Advisors, LLC | 8,044 | $4.22M | 0.22% | −183−2.2% | Reduced |
| Pine Valley Investments Ltd Liability Co | 8,109 | $4.26M | 0.25% | +1,747+27.5% | Added |
| Evergreen Capital Management LLC | 8,134 | $4.27M | 0.13% | +4,253+109.6% | Added |
| Oak Associates, Ltd | 8,192 | $4.30M | 0.28% | −1,640−16.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 8,244 | $4.33M | 0.04% | +109+1.3% | Added |
| Founders Capital Management, LLC | 8,274 | $4.34M | 0.74% | +538+7.0% | Added |
| Cardinal Capital Management | 8,316 | $4.37M | 0.64% | +280+3.5% | Added |
| UniSuper Management Pty Ltd | 8,368 | $4.39M | 0.03% | +566+7.3% | Added |
| Point72 (DIFC) Ltd | 8,398 | $4.41M | 0.35% | +8,398 | New |
| Clear Harbor Asset Management, LLC | 8,419 | $4.42M | 0.33% | +1,616+23.8% | Added |
| Aigen Investment Management, LP | 8,466 | $4.44M | 0.61% | +5,807+218.4% | Added |
| Hunter Perkins Capital Management, LLC | 8,473 | $4.45M | 1.05% | −9−0.1% | Reduced |
| Biondo Investment Advisors, LLC | 8,501 | $4.46M | 0.59% | +40+0.5% | Added |
| Cache Advisors, LLC | 8,616 | $4.52M | 1.22% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 8,630 | $4.53M | 0.17% | +8,630 | New |
| Summit Financial, LLC | 8,810 | $4.63M | 0.10% | −1,786−16.9% | Reduced |
| Massmutual Trust Co FSB | 8,842 | $4.64M | 0.12% | +4,676+112.2% | Added |
| Oregon Public Employees Retirement Fund | 8,931 | $4.69M | 0.08% | −100−1.1% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 8,970 | $4.71M | 0.01% | +404+4.7% | Added |
| Charter Trust Co | 8,976 | $4.71M | 0.30% | +8,976 | New |
| Apriem Advisors | 9,117 | $4.79M | 0.51% | −3,319−26.7% | Reduced |
| Norinchukin Bank, The | 9,154 | $4.81M | 0.07% | +776+9.3% | Added |
| Sienna Gestion | 10,122 | $4.85M | 0.33% | +957+10.4% | Added |
| ASR Vermogensbeheer N.V. | 9,352 | $4.91M | 0.06% | −133−1.4% | 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 |
| Creative Planning | 9,485 | $4.98M | 0.00% | −1,882−16.6% | Reduced |
| Thrivent Financial for Lutherans | 9,513 | $4.99M | 0.01% | −128,777−93.1% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 9,535 | $5.01M | 0.11% | +674+7.6% | Added |
| Shell Asset Management Co | 9,696 | $5.09M | 0.18% | −120−1.2% | Reduced |
| Avanza Fonder AB | 9,737 | $5.11M | 0.15% | +838+9.4% | Added |
| Cetera Investment Advisers | 9,754 | $5.12M | 0.01% | −821−7.8% | Reduced |
| Legato Capital Management LLC | 9,784 | $5.14M | 0.61% | 00.0% | Unchanged |
| AIMZ Investment Advisors, LLC | 9,854 | $5.17M | 1.73% | 00.0% | Unchanged |
| General American Investors Co Inc | 9,876 | $5.18M | 0.35% | −5,000−33.6% | Reduced |
| Tang Capital Management LLC | 10,000 | $5.25M | 0.27% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 9,662 | $5.29M | 0.01% | −24,083−71.4% | Reduced |
| South Dakota Investment Council | 10,119 | $5.31M | 0.10% | +7,769+330.6% | Added |
| Fifth Third Bancorp | 10,134 | $5.32M | 0.02% | +2,443+31.8% | Added |
| Jacobs & Co | 10,294 | $5.40M | 0.54% | +244+2.4% | Added |
| Edgestream Partners, L.P. | 10,373 | $5.45M | 0.15% | +8,124+361.2% | Added |
| Evergreen Wealth Management, LLC | 10,436 | $5.48M | 3.07% | +4,783+84.6% | Added |
| Qsemble Capital Management, LP | 10,468 | $5.50M | 0.53% | −1,848−15.0% | Reduced |
| Pathstone Holdings, LLC | 10,543 | $5.53M | 0.02% | −8,595−44.9% | Reduced |
| Artia Global Partners LP | 10,671 | $5.60M | 1.44% | +10,671 | New |
| Captrust Financial Advisors | 10,723 | $5.63M | 0.01% | −3,565−25.0% | Reduced |
| JustInvest LLC | 10,853 | $5.70M | 0.06% | +792+7.9% | Added |
| Yousif Capital Management, LLC | 10,867 | $5.71M | 0.06% | −203−1.8% | Reduced |
| Elo Mutual Pension Insurance Co | 10,917 | $5.73M | 0.12% | −1,215−10.0% | Reduced |
| Thompson Siegel & Walmsley LLC | 11,086 | $5.82M | 0.10% | +1,010+10.0% | Added |
| Swiss Life Asset Management Ltd | 11,158 | $5.86M | 0.03% | +754+7.2% | Added |
| Rock Springs Capital Management LP | 11,300 | $5.93M | 0.37% | +8,500+303.6% | Added |
| OP Asset Management Ltd | 11,345 | $5.96M | 0.09% | −354−3.0% | Reduced |
| Anchor Capital Advisors LLC | 11,372 | $5.97M | 0.18% | +375+3.4% | Added |
| Marietta Wealth Management, LLC | 11,451 | $6.01M | 0.78% | +673+6.2% | Added |
| Meritage Portfolio Management | 11,455 | $6.01M | 0.38% | +11,455 | New |
| Atria Investments LLC | 11,469 | $6.02M | 0.07% | +1,442+14.4% | Added |
| Clearbridge Investments, LLC | 11,845 | $6.22M | 0.01% | +5,121+76.2% | Added |
| Mutual of America Capital Management LLC | 11,892 | $6.24M | 0.07% | −326−2.7% | Reduced |
| Trexquant Investment LP | 11,936 | $6.27M | 0.07% | −44,995−79.0% | Reduced |
| Harvey Capital Management Inc | 11,742 | $6.28M | 1.47% | −1,350−10.3% | Reduced |
| Generate Investment Management Ltd | 12,000 | $6.30M | 0.35% | +12,000 | New |
| NorthCrest Asset Manangement, LLC | 11,554 | $6.32M | 0.17% | −349−2.9% | Reduced |
| Calamos Advisors LLC | 12,272 | $6.44M | 0.03% | 00.0% | Unchanged |
| Slow Capital, Inc. | 12,409 | $6.51M | 0.80% | −7,071−36.3% | Reduced |
| Janney Montgomery Scott LLC | 12,590 | $6.61M | 0.02% | −15,452−55.1% | Reduced |
| RK Asset Management, LLC | 12,602 | $6.62M | 6.38% | +39+0.3% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 12,606 | $6.62M | 0.05% | −1,088−7.9% | Reduced |
| Headlands Technologies LLC | 12,653 | $6.64M | 0.80% | +9,259+272.8% | Added |
| Generali Asset Management SPA SGR | 12,684 | $6.66M | 0.15% | +1,650+15.0% | Added |
| Greenwood Capital Associates LLC | 12,861 | $6.75M | 0.84% | +4,419+52.3% | Added |
| Profund Advisors LLC | 12,913 | $6.78M | 0.24% | +1,388+12.0% | Added |
| Janus Henderson Group PLC | 13,088 | $6.87M | 0.00% | −465−3.4% | Reduced |