Altos Ventures Portfolio 2026

Altos Ventures accounts for 36 tracked companies with verified cap-table data, 36 of which disclose round sizes totalling $42B. The median disclosed raise is $91M, and the largest is Medistream at $37B, ahead of Toss Payments ($1.2B) and Toss Bank ($844M).

The names that recur most often on these portfolio cap tables are Altos Ventures (36 companies), Y Combinator (5 companies), FJ Labs (3 companies), Techstars (3 companies), Kleiner Perkins (2 companies), Goodwater Capital (2 companies). By latest disclosed round, the market skews Series B (12), Series C (8), Series D (3), Series F (2).

• Companies tracked: 36
• Disclosed funding total: $42B across 36 companies
• Median disclosed raise: $91M
• Largest raise: Medistream — $37B
• Stage mix: Series B 12 · Series C 8 · Series D 3 · Series F 2
• Most recent dated round: 2026-03-13

Best funded Altos Ventures companies

1. Medistream — $37B (latest: Series C)
2. Toss Payments — $1.2B (latest: Series F)
3. Toss Bank — $844M (latest: Series H)
4. Kueski — $300M (latest: Series B)
5. KREAM Corporation — $266M (latest: Series C)
6. Carrot General Insurance — $220M
7. Bespin Global — $217M (latest: Growth)
8. Outdoorsy — $208M (latest: Growth)
9. Danggeun Market — $205M (latest: Series D)
10. Nexu — $180M (latest: Series A)
11. Self Financial — $128M
12. Self — $127M (latest: Series E)
13. Chowbus — $120M (latest: Series E)
14. MyRealTrip — $113M (latest: Series F)
15. Clutch Canada — $111M (latest: Series B)

Altos Ventures — related firms and companies (56)

• Medistream
• Toss Payments
• Toss Bank
• Kueski
• KREAM Corporation
• Carrot General Insurance
• Bespin Global
• Outdoorsy
• Amae Health
• Investors like GIC
• Companies backed by Altos Ventures
• PermitFlow
• Investors like Blockchain Capital
• TechSee
• Investors like CAVU Consumer Partners
• Investors like Altos Ventures
• PandaDoc
• Investors like Maven Ventures
• Catch Table
• Investors like Digital Currency Group
• Altos Ventures co-investors 2026
• Yamibuy
• Investors like Storm Ventures
• Makestar
• Investors like Madrona
• EVR STUDIO
• Clutch Canada
• Investors like Eniac Ventures
• Kiddom
• Investors like Norwest Venture Partners
• Dream Chasing Sky
• MyRealTrip
• Investors like SOSV
• Backpackr
• Investors like Bessemer Venture Partners
• Maxta
• Chowbus
• Investors like Redpoint
• Mangomint
• Investors like Trinity Ventures
• Airspace Link
• Self
• Investors like Oak HC/FT
• Tracksuit
• Investors like Next47
• OpenSesame
• Self Financial
• Investors like N47
• Rapport Labs
• Investors like Franklin Templeton
• Chairish
• Nexu
• Investors like Elemental Impact
• Laundrygo
• Investors like Uncork Capital
• Quizlet

Altos Ventures profile · All research reports