Portfolio Co Investors 2026 for Sixth Street: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Sixth Street accounts for 16 tracked companies with verified cap-table data, 16 of which disclose round sizes totalling $9.8B. The median disclosed raise is $600M, and the largest is Contentsquare at $1.4B, ahead of Caris Life Sciences ($1.3B) and Kpler ($1B).
The names that recur most often on these co-invested cap tables are Sixth Street (16 companies), Insight Partners (3 companies), Menlo Ventures (2 companies), Five Arrows (1 company), HealthCare Royalty (1 company), Gyrus Capital (1 company). By latest disclosed round, the market skews Growth (7), Series D (3), IPO (2), Series F (1).
Sixth Street ABF Beacon GenPar I, L.P. profile · All research reports
The Startup Fundraising Platform
Raise funds for your startup
Find the right investors and get real replies — instantly, powered by AI.
Takes 30 seconds · No credit card · Cancel anytime
Slide-by-slide guide