Oak Investment Partners Portfolio 2026

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 portfolio 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).

• Companies tracked: 5
• Disclosed funding total: $798M across 5 companies
• Median disclosed raise: $75M
• Largest raise: Circle — $357M
• Stage mix: IPO 1 · Series D 1 · Series B 1
• Most recent dated round: 2026-05-01

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)

• Circle
• nLIGHT
• NanoH2O
• FreshBooks
• Cogent Communications Group
• Oak Investment Partners co-investors 2026
• Investors like Oak Investment Partners
• Founders backed by Oak Investment Partners
• Investors like Slow Ventures
• Investors like Sofinnova Investments
• Investors like B Capital
• Investors like True Ventures
• Investors like Recursive Ventures
• Investors like Notable Capital
• Investors like Battery Ventures
• Investors like Irving Investors
• Investors like Betaworks
• Investors like Redpoint
• Investors like StepStone Group
• Firms like GV
• Investors like Lightspeed Venture Partners
• Investors like boldstart ventures
• Investors like Madrona
• Investors like Plug and Play
• Investors like Soma Capital
• Investors like Meritech Capital Partners
• Investors like General Catalyst
• Investors like Acre Venture Partners
• Investors like Uncork Capital
• Investors like Casdin Capital
• Investors like F-Prime
• Investors like Founder Collective
• Investors like Zetta Venture Partners
• Investors like Point72 Ventures
• Investors like SOSV
• Investors like The Westly Group
• Investors like Techstars Ventures
• Investors like Initialized Capital
• Investors like Expansion Venture Capital
• Investors like Digital Currency Group
• Investors like Spark Capital
• Investors like Altos Ventures
• Investors like Torch Capital
• Investors like Bain Capital Ventures
• Investors like SoftBank Vision Fund
• Investors like Franklin Templeton
• Investors like CRV
• Investors like Ribbit Capital

Oak Investment Partners alternatives · All research reports