Investing responsibly in infrastructure

Delivering long-term sustainable returns to shareholders and having a positive influence on our portfolio companies and their stakeholders.

Media

Unsubsidised low-carbon energy now serves a large market of corporate off-takers says 3i’s Tim Short

Open link

Press release 09 May 2025

FLAG, one of the world’s largest privately owned subsea cable networks, secures $340m refinancing to support future growth

Open link

Latest report

Highlights – Annual report 2025

Open link

Valorem 2 (2)

Backing long-term megatrends

We aim to have a well-diversified portfolio of assets across a range of megatrends that provide a supportive environment for long-term sustainable business growth.

What we do

Long-term track record

Since its launch in 2007, 3i Infrastructure has built a portfolio that has provided significant income and consistent capital growth.

Track record

Investor hub

Share Price

04:35 on 09 May 2025

  • 3i Infrastructure (LSE)

    334.50

    +0.50 (+0.15%)

  • FTSE 250

    20,457.15

    Value at last close

Share price tools

Latest results

  • Results for the year to 31 March 2025

  • Open link

Results & presentations

Key highlights

  • £ 333 m
  • Total return for the year to 31 March 2025

  • 10.1 %
  • Total return on opening NAV

  • 386.2 p
  • NAV per share

Our performance

Our sustainable approach

We see a strong link between companies with high ESG standards and those that are able to achieve long-term sustainable business growth.

Our sustainable approach

Future Biogas Anaerobic Digestion Plant

Latest news

Press release 09 May 2025

FLAG, one of the world’s largest privately owned subsea cable networks, secures $340m refinancing to support future growth

Read release

Press release 08 May 2025

Results for the year to 31 March 2025

Read release

Press release 31 Mar 2025

3i Infrastructure plc – Pre-close update for Full Year 2025

Read release

Richard Laing

Latest report

 

3i Infrastructure continues its long track record of delivering sustainable returns through investing in resilient businesses.”

Richard Laing, Chair, 3i Infrastructure plc

 

View our Annual report and accounts 2025