
The Bill & Melinda Gates Foundation, through its Strategic Investment Fund (SIF), focuses its investments on driving positive social impact globally, particularly in areas such as global health, agriculture, financial services, and education for low-income populations. Their strategy is "impact first, financial sustainability second," utilizing flexible financial instruments like equity, debt, and grants to support game-changing developments and scale breakthrough business models and technology innovations.
Portfolio
4
Fund Size
$77.2B
Top Stage
Series A
Last 12 Mo
2
Stage Distribution
Portfolio
4 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Puna Bio | Series A | — | Jul 2025 |
| Lumen Bioscience | Series C | $30M | Jul 2025 |
| Butterfly Network | Growth | $250M | Sep 2018 |
| PHASE Scientific | Series A | $34M | — |
Top Co-Investors
Fidelity Investments1 shared
Dalus Capital1 shared
Builders VC1 shared
National Science Foundation1 shared
WestRiver Group1 shared
Last updated: 3 March 2026