Gigascale Capital

Gigascale Capital accounts for 5 tracked companies with verified cap-table data, 5 of which disclose round sizes totalling $3.7B. The median disclosed raise is $200M, and the largest is Commonwealth Fusion at $3B, ahead of Tarana Wireless ($362M) and Xcimer Energy ($200M).

The names that recur most often on these portfolio cap tables are Gigascale Capital (5 companies), Lowercarbon Capital (3 companies), Breakthrough Energy Ventures (2 companies), Emerson Collective (2 companies), Google (2 companies), Khosla Ventures (2 companies). By latest disclosed round, the market skews Series A (3), Series B (1), Series U (1).

• Companies tracked: 5
• Disclosed funding total: $3.7B across 5 companies
• Median disclosed raise: $200M
• Largest raise: Commonwealth Fusion — $3B
• Stage mix: Series A 3 · Series B 1 · Series U 1
• Most recent dated round: 2025-11-01

Best funded Gigascale Capital companies

1. Commonwealth Fusion — $3B (latest: Series B)
2. Tarana Wireless — $362M (latest: Series U)
3. Xcimer Energy — $200M (latest: Series A)
4. Terradot — $58M (latest: Series A)
5. Arbor Energy — $55M (latest: Series A)

Gigascale Capital — related firms and companies (48)

• Commonwealth Fusion
• Tarana Wireless
• Xcimer Energy
• Terradot
• Arbor Energy
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