Gates Foundation

Gates Foundation accounts for 9 tracked companies with verified cap-table data, 9 of which disclose round sizes totalling $1.1B. The median disclosed raise is $125M, and the largest is Spero Therapeutics at $250M, ahead of Inovio Pharmaceuticals ($250M) and Lumen Bioscience ($185M).

The names that recur most often on these co-invested cap tables are Gates Foundation (9 companies), Atlas Venture (1 company), New Enterprise Associates (1 company), Biogen (1 company), NIH (1 company), DARPA (1 company). By latest disclosed round, the market skews Series A (3), Series C (2), Series E (1), Growth (1).

• Companies tracked: 9
• Disclosed funding total: $1.1B across 9 companies
• Median disclosed raise: $125M
• Largest raise: Spero Therapeutics — $250M
• Stage mix: Series A 3 · Series C 2 · Series E 1 · Growth 1
• Most recent dated round: 2025-10-22

Best funded Gates Foundation companies

1. Spero Therapeutics — $250M (latest: Series A)
2. Inovio Pharmaceuticals — $250M
3. Lumen Bioscience — $185M (latest: Series C)
4. Owlstone Medical — $150M (latest: Series E)
5. Manus Bio — $125M (latest: Growth)
6. NILO Therapeutics — $101M (latest: Series A)
7. Stellapps — $37M (latest: Series C)
8. Ena Respiratory — $33M (latest: Series B)
9. Micron Biomedical — $16M (latest: Series A)

Gates Foundation — related firms and companies (52)

• Spero Therapeutics
• Inovio Pharmaceuticals
• Lumen Bioscience
• Owlstone Medical
• Manus Bio
• NILO Therapeutics
• Stellapps
• Ena Respiratory
• Micron Biomedical
• Gates Foundation portfolio companies 2026
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Gates Foundation alternatives · All research reports