Mass General Brigham Ventures

Mass General Brigham Ventures accounts for 11 tracked companies with verified cap-table data, 11 of which disclose round sizes totalling $1.5B. The median disclosed raise is $133M, and the largest is Spur Therapeutics at $274M, ahead of Amolyt Pharma ($210M) and Abcuro ($200M).

The names that recur most often on these portfolio cap tables are Mass General Brigham Ventures (11 companies), RA Capital Management (3 companies), Sofinnova Partners (2 companies), Sanofi Ventures (2 companies), Eurofarma Ventures (2 companies), Bristol Myers Squibb (2 companies). By latest disclosed round, the market skews Series A (5), Series C (3), Series B (2).

• Companies tracked: 11
• Disclosed funding total: $1.5B across 11 companies
• Median disclosed raise: $133M
• Largest raise: Spur Therapeutics — $274M
• Stage mix: Series A 5 · Series C 3 · Series B 2
• Most recent dated round: 2025-02-12

Best funded Mass General Brigham Ventures companies

1. Spur Therapeutics — $274M
2. Amolyt Pharma — $210M (latest: Series C)
3. Abcuro — $200M (latest: Series C)
4. ROME Therapeutics — $199M (latest: Series B)
5. Mediar Therapeutics — $181M (latest: Series A)
6. SwanBio Therapeutics — $133M (latest: Series B)
7. Photys Therapeutics — $75M (latest: Series A)
8. Tuesday Health — $60M (latest: Series A)
9. Claris Biotherapeutics — $57M (latest: Series A)
10. InStride Health — $56M (latest: Series C)
11. Rippl Care — $55M (latest: Series A)

Mass General Brigham Ventures — related firms and companies (54)

• Spur Therapeutics
• Amolyt Pharma
• Abcuro
• ROME Therapeutics
• Mediar Therapeutics
• SwanBio Therapeutics
• Photys Therapeutics
• Tuesday Health
• Claris Biotherapeutics
• InStride Health
• Rippl Care
• Mass General Brigham Ventures co-investors 2026
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