Oak Investment Partners Co-Investors 2026

Who Oak Investment Partners invests alongside: MMC Ventures, NGEN Partners — mapped across 13 portfolio companies in 6 sectors and 8 cities.

Oak Investment Partners accounts for 5 tracked companies with verified cap-table data, 5 of which disclose round sizes totalling $798M. The median disclosed raise is $75M, and the largest is Circle at $357M, ahead of nLIGHT ($290M) and NanoH2O ($75M).

The names that recur most often on these co-invested cap tables are Oak Investment Partners (5 companies), a16z crypto (1 company), BlackRock (1 company), Apollo Funds (1 company), Intercontinental Exchange (1 company), SBI Group (1 company). By latest disclosed round, the market skews IPO (1), Series D (1), Series B (1).

Best funded Oak Investment Partners companies

  1. Circle — $357M
  2. nLIGHT — $290M (latest: IPO)
  3. NanoH2O — $75M (latest: Series D)
  4. FreshBooks — $73M (latest: Series B)
  5. Cogent Communications Group — $2.5M

Oak Investment Partners — related firms and companies (48)

Oak Investment Partners alternatives · All research reports