3I Infrastructure PLC (3IN) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of 3I Infrastructure PLC stock £4.16, price £3.96, upside +5.1%, quality 52 out of 100. Rating: fairly valued. Calculated from audited financials with 8 of our 26 valuation models and 37 quality factors, updated daily.
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3I Infrastructure PLC
3IN · LSEThe stock costs about what our calculation considers fair.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 6, 2026.
How to read this chart
60‑month range £2.49 – £4.00 · fair‑value band £3.12 – £5.20 · the £3.96 price screens below the £4.16 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 6, 2026.
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Company profile
3i Infrastructure plc is an investment firm specializing in infrastructure investments.
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The firm invests in early stage assets, mature assets, middle markets, mid venture, acquisitions, and projects and privatizations undergoing a period of operational ramp-up. It may invest in junior or mezzanine debt in infrastructure businesses or assets.
The firm primarily invests in core infrastructure companies and assets with a focus on the utilities, transportation, energies, social infrastructure and adjacent sectors; primary PPP with a focus on greenfield projects in education, transport, healthcare; public sector accommodation sectors and low-risk energy projects with a focus on wind, solar, offshore transmission in developed markets; and mid-market economic infrastructure with a focus on low-risk energy projects.
It primarily invests in unquoted companies, but may also invest in listed companies. The firm seeks to invest across the world, but with an initial focus on Europe, North America, Asia, the United Kingdom. It seeks to invest more than £50 million ($69.33 million) for an individual investment.
The firm typically invests between £5 million ($6.93 million) and £50 million ($69.33 million) in primary PPP sector and £50 million and £250 million ($346.66 million) in low-risk energy projects in mid-market economic infrastructure.
The firm seeks board representation in its portfolio companies and in cases where it acquires a majority equity interest in a business, that interest may also be a controlling interest.
It primarily exits its investments between 20 to 30 years. 3i Infrastructure plc was founded on January 16, 2007 and is based in St. Helier, Channel Islands with an additional office in London, United Kingdom.
Stock analysis
3I Infrastructure PLC (3IN) currently trades at £3.96, while our model-based Fair Value estimate is £4.16, so the stock looks roughly fairly valued today (gap 4.8%).
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Valuation
Bull case: the Multiples group reads highest at a median of £4.92 per share, and 3 of the 8 models we run sit above the £3.96 price.
Bear case: the Dividend Discount group reads lowest at £2.19, and 5 of the 8 models stay below the price. Data coverage for this calculation is high.
Scenario range: £3.12 (bear) to £5.20 (bull), the price of £3.96 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 52/100 (solid quality), in the Financial Services sector.
Mixed Growth: Spin-off in 2026: revenue and profit before it include the divested business. Growth is measured afresh from 2026.
3I Infrastructure PLC reported revenue of £218M in FY2026 versus £412M in FY2022, a compound −14.7%/yr. Reported net income was £295M in FY2026, compounding −7.6%/yr from FY2022.
Key figures
Market cap £3.7B Mid · P/E ratio 12.4 · P/S ratio 8.93 · EPS (TTM) £0.3200 · Dividend yield 3.4% · Net margin 72.1% · Return on equity 8.1% · Return on assets (EBIT) 10.0% (5-year average).
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 60 out of 100 (medium confidence).
What moves the price
The share trades about 1% below its 52-week high and 24% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Financial Services peers we cover trades at −16% fair-value upside, at 5%, 3IN screens cheaper than that median.
Fair Value models
All 8 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Revenue & earnings trend
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Compare 3I Infrastructure PLC with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Asset Management · 588 stocks
Valuation Multiplesvs Asset Management median · lower = cheaper
Strength profile in five axes (Snowflake)
Context: sector, industry, market
- Is the Financials sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- PEG ratio by industry
- Revenue growth by industry
- PEG screener for stocks with fair value
- Undervalued stocks: UK Stocks
- Valuation of the UK market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Asset Management stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| Exor N.V EXO | €73.35 | €139.37 | +90% | vs 3IN |
| Raymond James Financial, Inc RJF | $162.81 | $281.42 | +73% | vs 3IN |
| Apollo Global Management, Inc APO | $116.75 | $197.52 | +69% | vs 3IN |
| Ameriprise Financial, Inc AMP | $501.49 | $609.56 | +22% | vs 3IN |
| State Street Corporation STT | $165.56 | $139.37 | −16% | vs 3IN |
| Ares Management Corporation ARES | $133.98 | $99.35 | −26% | vs 3IN |
| Northern Trust Corporation NTRS | $172.76 | $123.42 | −29% | vs 3IN |
| Brookfield Asset Management Ltd BAM | $52.95 | $31.26 | −41% | vs 3IN |
| Blackstone Inc BX | $119.50 | $52.29 | −56% | vs 3IN |
| KKR & Co KKR | $96.48 | $27.32 | −72% | vs 3IN |
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Key figures of 3I Infrastructure PLC
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