3i Infrastructure

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Investing responsibly in infrastructure

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

Media

CFO James Dawes discusses 3iN’s half-year results and gives an update on the strategy and outlook.

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Press release 11 Nov 2025

Results for the six months to 30 September 2025

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Latest report

Highlights – Annual report 2025

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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

Tampnet Colour Futurebiogas Logo Infinis Ionisos 500X367

Portfolio

Investor hub

Investor centre

Share Price

17:15 on 31 Dec 2025

  • 3i Infrastructure (LSE)

    374.00

    -1.00 -0.27%

  • UK250

    00

    Value at last close

Share price tools

Latest results

  • Results for the six months to 30 September 2025

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  • Download the presentation

  • Download PDF

Results & presentations

Key highlights

  • £ 258 m
  • Total return for the six months to 30 September 2025

  • 7.4 %
  • Total return on opening NAV

  • 407.9 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 releases

Press release 11 Nov 2025

Results for the six months to 30 September 2025

Read release

Press release 30 Sep 2025

3i Infrastructure plc – Pre-close update

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Press release 03 Jul 2025

3i Infrastructure plc - Q1 Performance update

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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

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