Our funds
Our third-party funds consist of public and private funds and an established co-investment programme.
Europe
3i Infrastructure plc
- listed investment company with £4.3 portfolio value at March 2026
- 3i Group has a 29% interest
£4.3bn
portfolio value
3i MIA
- unlisted fund with AUM of £1.9bn at March 2026
- portfolio of 5 assets
£1.9bn
assets under management
Co-investments
- third-party co-investors in Tampnet, ESVAGT, Future Biogas and Lefdal Mine Datacenter1
- historical co-investments in AWG, Attero and Elenia
£699m
assets under management1
(Tampnet £433m, ESVAGT £129m, Future Biogas £42m, Lefdal Mine Datacenter £95m)
1. Proforma to include the signed investment in Lefdal Mine Datacenter, due for completion in Q3 2026.
North America
3i North American Infrastructure
- portfolio of 5 assets
- third-party co-investors
c.$1bn
assets under management
As at 31 March 2026
Contact
Thomas Fodor
Investor Relations Partner
[email protected]
020 7975 3469
Latest
Portfolio
From landfill to low-carbon
CEO Bruce Heppenstall and 3i’s Tim Short discuss how 3i Infrastructure’s portfolio company Infinis is transforming legacy landfill sites into a fast-growing solar and battery storage platform, supporting the UK’s net zero ambitions.
