InterWest Partners Co-Investors 2026

Who InterWest Partners invests alongside: Mohr Davidow Ventures, Pario Ventures, Riverside Ventures — mapped across 17 portfolio companies in 8 sectors.

Interwest Partners accounts for 3 tracked companies with verified cap-table data, 3 of which disclose round sizes totalling $458M. The median disclosed raise is $108M, and the largest is Khoros at $307M, ahead of Centrexion Therapeutics ($108M) and Advanced Micro-Fabrication Equipment ($43M).

The names that recur most often on these co-invested cap tables are Interwest Partners (3 companies), Accel (1 company), Accomplice VC (1 company), Activate Venture Partners (1 company), Building Ventures (1 company), Cota Capital (1 company). By latest disclosed round, the market skews Series F (1), Growth (1), Series B (1).

Best funded Interwest Partners companies

  1. Khoros — $307M (latest: Series F)
  2. Centrexion Therapeutics — $108M (latest: Growth)
  3. Advanced Micro-Fabrication Equipment — $43M (latest: Series B)

Interwest Partners — related firms and companies (47)

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