Portfolio Companies 2026 for Advent International: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Advent International accounts for 14 tracked companies with verified cap-table data, 14 of which disclose round sizes totalling $8.2B. The median disclosed raise is $310M, and the largest is ATI Physical Therapy at $2.5B, ahead of Thrasio ($1B) and Nuvei ($833M).
The names that recur most often on these portfolio cap tables are Advent International (14 companies), Sequoia Capital (2 companies), Alkeon Capital (2 companies), Fortress Credit (1 company), Oaktree Capital Management (1 company), Western Technology Investment (1 company). By latest disclosed round, the market skews Growth (4), IPO (2), Series D (2), Series B (2).
Companies tracked: 14
Disclosed funding total: $8.2B across 14 companies
Median disclosed raise: $310M
Largest raise: ATI Physical Therapy — $2.5B
Stage mix: Growth 4 · IPO 2 · Series D 2 · Series B 2
