3i Group
UK-listed PE + infrastructure manager
Growth/PE
Buyout/Infrastructure
📍 London, UK
Founded 1945
AUM
$20B
as of 2026-Q1
MID
3i Group was founded in 1945 — one of the oldest PE firms in the world. London-listed pan-European PE + infrastructure manager.
Firm Profile
Subtype
Buyout/Infrastructure
Notable Partners
Simon Borrows
Notable Portfolio
actionroyal-sanders
Investment Focus
Stages
Buyout · Infrastructure
Sectors
Consumer · Industrial · Healthcare · Infrastructure
Growth/PEEuropeanLong-TenuredPublic
Investor data reflects publicly disclosed AUM, fund sizes, and portfolio holdings as of 2026-Q1. Refreshed periodically.