3I Infrastructure PLC
3i Infrastructure plc is an investment firm specializing in infrastructure investments. 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 compa… Read more
Market Cap & Net Worth: 3I Infrastructure PLC (3IN)
3I Infrastructure PLC (LSE:3IN) has a market capitalization of $39.39 Million (GBX323.74 Billion) as of March 18, 2026. Listed on the LSE stock exchange, this UK-based company holds position #37930 globally and #525 in its home market, demonstrating a 0.43% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying 3I Infrastructure PLC's stock price GBX351.00 by its total outstanding shares 922350000 (922.35 Million).
3I Infrastructure PLC Market Cap History: 2015 to 2026
3I Infrastructure PLC's market capitalization history from 2015 to 2026. Data shows growth from $15.16 Million to $39.39 Million (9.86% CAGR).
Index Memberships
3I Infrastructure PLC is a constituent of 3 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
FTSE All-Share
FTAS
|
$49.37 Million | 0.80% | #18 of 573 |
|
FTSE 350
FTLC
|
$42.79 Million | 0.93% | #16 of 350 |
|
FTSE 250
FTMC
|
$31.94 Million | 1.24% | #10 of 250 |
Weight: 3I Infrastructure PLC's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
3I Infrastructure PLC Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how 3I Infrastructure PLC's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.
Latest Price to Sales (P/S) Ratio
0.11x
3I Infrastructure PLC's market cap is 0.11 times its annual revenue
2.92x
Lower than industry averageLatest Price to Earnings (P/E) Ratio
0.13x
3I Infrastructure PLC's market cap is 0.13 times its annual earnings
4.96x
Lower than industry averageWhat These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $17.03 Million | $245.60 Million | $166.20 Million | 0.07x | 0.10x |
| 2017 | $19.56 Million | $147.20 Million | $146.30 Million | 0.13x | 0.13x |
| 2018 | $23.73 Million | $482.60 Million | $479.60 Million | 0.05x | 0.05x |
| 2019 | $27.88 Million | $268.30 Million | $258.50 Million | 0.10x | 0.11x |
| 2020 | $30.13 Million | $229.00 Million | $224.00 Million | 0.13x | 0.13x |
| 2021 | $35.79 Million | $210.00 Million | $206.00 Million | 0.17x | 0.17x |
| 2022 | $34.84 Million | $412.00 Million | $404.00 Million | 0.08x | 0.09x |
| 2023 | $34.75 Million | $413.00 Million | $394.00 Million | 0.08x | 0.09x |
| 2024 | $35.63 Million | $386.00 Million | $347.00 Million | 0.09x | 0.10x |
| 2025 | $41.97 Million | $368.00 Million | $333.00 Million | 0.11x | 0.13x |
Competitor Companies of 3IN by Market Capitalization
Companies near 3I Infrastructure PLC in the global market cap rankings as of March 18, 2026.
Key companies related to 3I Infrastructure PLC by market ranking:
- BlackRock Inc (NYSE:BLK): Ranked #131 globally with a market cap of $139.78 Billion USD.
- Blackstone Group Inc (NYSE:BX): Ranked #245 globally with a market cap of $83.28 Billion USD.
- INVESTOR B (FRIA) O.N. (F:IVSD): Ranked #246 globally with a market cap of $83.12 Billion USD ( €80.97 Billion EUR).
- Brookfield Corp (NYSE:BN): Ranked #276 globally with a market cap of $76.43 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #131 | BlackRock Inc | NYSE:BLK | $139.78 Billion | $971.01 |
| #245 | Blackstone Group Inc | NYSE:BX | $83.28 Billion | $112.00 |
| #246 | INVESTOR B (FRIA) O.N. | F:IVSD | $83.12 Billion | €33.16 |
| #276 | Brookfield Corp | NYSE:BN | $76.43 Billion | $39.71 |
3I Infrastructure PLC Historical Marketcap From 2015 to 2026
Between 2015 and today, 3I Infrastructure PLC's market cap moved from $15.16 Million to $ 39.39 Million, with a yearly change of 9.86%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | GBX39.39 Million | -6.15% |
| 2025 | GBX41.97 Million | +17.80% |
| 2024 | GBX35.63 Million | +2.54% |
| 2023 | GBX34.75 Million | -0.26% |
| 2022 | GBX34.84 Million | -2.66% |
| 2021 | GBX35.79 Million | +18.80% |
| 2020 | GBX30.13 Million | +8.07% |
| 2019 | GBX27.88 Million | +17.48% |
| 2018 | GBX23.73 Million | +21.29% |
| 2017 | GBX19.56 Million | +14.87% |
| 2016 | GBX17.03 Million | +12.31% |
| 2015 | GBX15.16 Million | -- |
End of Day Market Cap According to Different Sources
On Mar 18th, 2026 the market cap of 3I Infrastructure PLC was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $39.39 Million USD |
| MoneyControl | $39.39 Million USD |
| MarketWatch | $39.39 Million USD |
| marketcap.company | $39.39 Million USD |
| Reuters | $39.39 Million USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.