Largest Companies in Ireland by Market Cap
Largest companies in Ireland by market cap. This is the complete list of 23 largest companies in Ireland by market cap, with a combined market capitalization of €85.96 Billion ($100.49 Billion USD). Ryanair Holdings plc leads as the top Ireland company by market cap, valued at $28.00 Billion. From billion-dollar companies to the biggest, richest and most valuable Ireland corporations, these rankings span 19 sectors across 1 exchange. Updated daily with live market data.
Total Market Cap (USD)
Companies Listed
Largest Company
Top Ireland Companies by Market Capitalization (October 2026)
Top Ireland companies by market capitalization as of October 2026, from the most valuable listed corporation down to smaller public companies.
| Rank | Company | Market Cap (USD) | Market Cap (Local) | Price | 24h Change | 7d Change | 52-Week Range | All-Time Range | 24h Volume |
|---|---|---|---|---|---|---|---|---|---|
| 1 |
Ryanair Holdings plc
IR:RYA |
$28.00 Billion | €23.95 Billion | €22.90 | -0.30% | -0.26% | Low: €22.00 / High: €29.97 | Low: €8.32 / High: €29.97 | 52.95 Million |
| 2 |
AIB Group PLC
IR:A5G |
$18.42 Billion | €15.75 Billion | €10.90 | -2.15% | +2.49% | Low: €8.02 / High: €11.71 | Low: €0.69 / High: €15.78 | 113.06 Million |
| 3 |
Bank of Ireland Group PLC
IR:BIRG |
$15.95 Billion | €13.64 Billion | €18.36 | -2.63% | +1.77% | Low: €14.25 / High: €20.37 | Low: €1.15 / High: €20.37 | 46.73 Million |
| 4 |
Kingspan Group plc
IR:KRX |
$12.85 Billion | €10.99 Billion | €94.85 | -1.66% | +4.00% | Low: €62.85 / High: €105.30 | Low: €16.87 / High: €105.30 | 10.19 Million |
| 5 |
Kerry Group
IR:KRZ |
$11.54 Billion | €9.87 Billion | €98.35 | +1.86% | -1.26% | Low: €64.40 / High: €99.60 | Low: €58.53 / High: €127.42 | 10.88 Million |
| 6 |
Glanbia PLC
IR:GL9 |
$5.20 Billion | €4.44 Billion | €20.86 | +2.86% | +1.26% | Low: €14.14 / High: €24.84 | Low: €7.17 / High: €24.84 | 13.92 Million |
| 7 |
Dalata Hotel Group Plc
IR:DHG |
$1.36 Billion | €1.16 Billion | €6.44 | -0.16% | +0.00% | Low: €6.43 / High: €6.45 | Low: €1.71 / High: €6.96 | 2.93 Million |
| 8 |
Cairn Homes PLC
IR:C5H |
$1.27 Billion | €1.09 Billion | €2.78 | -0.36% | +2.21% | Low: €1.89 / High: €2.88 | Low: €0.54 / High: €2.88 | 37.30 Million |
| 9 |
Glenveagh Properties PLC
IR:GVR |
$1.01 Billion | €860.34 Million | €2.46 | -0.20% | +3.15% | Low: €1.83 / High: €2.57 | Low: €0.44 / High: €2.57 | 25.30 Million |
| 10 |
Uniphar Group PLC
IR:UPR |
$951.34 Million | €813.73 Million | €3.98 | -1.49% | +0.89% | Low: €3.42 / High: €4.92 | Low: €0.96 / High: €4.96 | 8.43 Million |
| 11 |
Irish Continental Group PLC
IR:IR5B |
$890.98 Million | €762.11 Million | €7.96 | +0.00% | +0.00% | Low: €5.68 / High: €7.98 | Low: €2.12 / High: €7.98 | 5.24 Million |
| 12 |
Greencoat Renewables PLC
IR:GRP |
$779.33 Million | €666.61 Million | €0.80 | +1.91% | +2.44% | Low: €0.66 / High: €0.80 | Low: €0.66 / High: €1.18 | 24.79 Million |
| 13 |
FBD Holdings PLC
IR:EG7 |
$591.45 Million | €505.90 Million | €19.50 | +0.52% | +2.36% | Low: €14.10 / High: €20.00 | Low: €3.53 / High: €20.00 | 361.07K |
| 14 |
Irish Residential Properties
IR:IRES |
$489.30 Million | €418.53 Million | €1.29 | +0.94% | +1.89% | Low: €0.90 / High: €1.30 | Low: €0.75 / High: €1.58 | 85.46 Million |
| 15 |
Origin Enterprises Plc
IR:OIZ |
$481.54 Million | €411.89 Million | €4.01 | -2.08% | -4.52% | Low: €3.63 / High: €4.86 | Low: €1.61 / High: €6.14 | 2.82 Million |
| 16 |
Kenmare Resources PLC
IR:KMR |
$266.05 Million | €227.57 Million | €2.84 | -1.39% | +0.71% | Low: €2.02 / High: €3.28 | Low: €0.74 / High: €5.68 | 296.65K |
| 17 |
Hostelworld Group PLC
IR:HSW |
$171.37 Million | €146.58 Million | €1.40 | +0.00% | +12.00% | Low: €1.10 / High: €1.59 | Low: €0.45 / High: €4.05 | 6.52K |
| 18 |
Mincon Group plc
IR:MIO |
$162.54 Million | €139.03 Million | €0.96 | +2.13% | +3.23% | Low: €0.42 / High: €1.02 | Low: €0.29 / High: €1.57 | 539.59K |
| 19 |
Datalex
IR:DLE |
$56.45 Million | €48.28 Million | €0.30 | +0.00% | +0.00% | Low: €0.30 / High: €0.30 | Low: €0.22 / High: €3.97 | 268.78K |
| 20 |
Malin Corporation plc
IR:MLC |
$30.09 Million | €25.74 Million | €5.95 | +0.00% | -14.39% | Low: €5.95 / High: €8.30 | Low: €1.55 / High: €15.37 | 3.87K |
| 21 |
Great Western Mining Corp Plc
IR:8GW |
$17.53 Million | €15.00 Million | €0.04 | +10.00% | +15.79% | Low: €0.01 / High: €0.04 | Low: €0.00 / High: €0.20 | 142.48K |
| 22 |
Donegal Investment Group PLC
IR:DQ7A |
$14.36 Million | €12.28 Million | €10.00 | +21.21% | +0.00% | Low: €8.25 / High: €18.40 | Low: €4.90 / High: €22.50 | 16.03K |
| 23 |
Ovoca Gold PLC
IR:OVXA |
$856.42K | €732.54K | €0.01 | +0.00% | +0.00% | Low: €0.01 / High: €0.01 | Low: €0.01 / High: €0.25 | 0.00 |
How Ireland Companies Are Ranked by Market Cap
Ireland companies are ranked by market cap, the latest share price multiplied by shares outstanding, updated daily.
Track real-time market capitalization of largest public companies in Ireland. Compare marketcap, analyze stock performance, and discover leading ireland corporations. View global rankings