Portfolio Companies 2026 for Partners Investment: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Partners Investment accounts for 8 tracked companies with verified cap-table data, 8 of which disclose round sizes totalling $856M. The median disclosed raise is $117M, and the largest is Senda Biosciences at $226M, ahead of XCENA ($185M) and AffaMed Therapeutics ($170M).
The names that recur most often on these portfolio cap tables are Partners Investment (8 companies), Flagship Pioneering (2 companies), Shinhan Venture Investment (2 companies), Qatar Investment Authority (1 company), Samsung Life Science Fund (1 company), Stage 1 Ventures (1 company). By latest disclosed round, the market skews Series B (6), Series C (2).
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