HighSage Ventures
HighSage Ventures is an investment firm based in Boston, founded by Jonathon S. Jacobson. The firm focuses on investing in both public and private companies across various industries and security types. Its mission is to create value that supports philanthropic efforts. HighSage Ventures offers flexible investment management and capital deployment services. This includes sourcing and underwriting direct investments, partnering with third-party managers, and forming joint ventures with operating partners. The firm seeks long-term partnerships with entrepreneurs, operators, and asset managers,
Investing activity
HighSage Ventures appears in 2 AI deals tracked by the AI Lounge deals desk, rounds totalling $55M. The rounds are mostly Series B and Seed, with a median round size of $55M. The most recent are Albert (Albert Invent) (Series B, $55M, Oct 2026) and Clario (Seed, $6M, Jun 2026).
HighSage Ventures most often invests alongside TCV, Socium Ventures, Delta-v Capital and Legion VC, and the companies it backs on AI Lounge are mostly in Chemistry AI / materials R&D software and AI.
Deals
Frequently asked questions about HighSage Ventures
What AI companies has HighSage Ventures invested in?
HighSage Ventures's AI investments include Albert (Albert Invent) and Clario. The 2 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is HighSage Ventures based?
HighSage Ventures is based in Boston, Massachusetts, United States.
What stage does HighSage Ventures invest at?
In the rounds tracked on AI Lounge, HighSage Ventures has invested at Series B and Seed, with a median round of $55M.
Who does HighSage Ventures co-invest with?
HighSage Ventures's most frequent co-investors on AI Lounge are TCV (1 deal), Socium Ventures (1 deal), Delta-v Capital (1 deal), Legion VC (1 deal) and J.P. Morgan Growth Equity (1 deal).
How can founders reach HighSage Ventures?
Founders on AI Lounge can see HighSage Ventures's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add HighSage Ventures to their Investor Pipeline to track the conversation.