I Squared Capital

Portfolio Companies 2026 for I Squared Capital: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

I Squared Capital accounts for 15 tracked companies with verified cap-table data, 15 of which disclose round sizes totalling $7.9B. The median disclosed raise is $235M, and the largest is Inkia Energy Ltd. at $3.4B, ahead of Transportation Equipment Network ($1.6B) and Órigo Energia ($537M).

The names that recur most often on these portfolio cap tables are I Squared Capital (15 companies), Mubadala Investment Company (1 company), Qatar Investment Authority (1 company), International Finance Corporation (IFC) (1 company), Infranity (1 company), Rivage Investment (1 company). By latest disclosed round, the market skews Growth (4), Series B (3), Series D (2), Series C (1).

Best funded I Squared Capital companies

  1. Inkia Energy Ltd. — $3.4B
  2. Transportation Equipment Network — $1.6B (latest: Growth)
  3. Órigo Energia — $537M (latest: Series B)
  4. Origo Energia — $537M (latest: Series B)
  5. MaxSolar — $460M
  6. Epirus — $287M (latest: Series D)
  7. Priority Power Management — $250M
  8. Claroty — $235M (latest: Series D)
  9. HTEC Hydrogen Technology & Energy — $217M (latest: Growth)
  10. AG&P Pratham — $200M (latest: Growth)
  11. Orazul Energy — $100M
  12. CheckSammy — $60M (latest: Growth)
  13. GridPoint — $40M (latest: Series C)
  14. Fermata Energy LLC — $40M (latest: Series A)
  15. PreAct Technologies — $28M (latest: Series B)

I Squared Capital Advisors (US) LLC — related firms and companies (56)

I Squared Capital Advisors (US) LLC profile · All research reports