| Rank | Name | Market Cap | Price | Today | Price (30 days) | Country |  | 1 |  | $193.65 B | $308.01 | 0.32% | 🇮🇪 Ireland | | 2 |  | $129.68 B | $324.30 | 2.27% | 🇮🇪 Ireland | | 3 |  | $105.88 B | $79.74 | 0.62% | 🇮🇪 Ireland | | 4 |  | $69.15 B | $304.53 | 1.72% | 🇮🇪 Ireland | | 5 |  | $53.95 B | $78.55 | 1.75% | 🇮🇪 Ireland | | 6 |  | $44.37 B | $65.11 | 1.02% | 🇮🇪 Ireland | | 7 |  | $37.72 B | $93.50 | 1.60% | 🇮🇪 Ireland | | 8 |  | $37.51 B | $41.12 | 0.00% | 🇮🇪 Ireland | | 9 |  | $32.90 B | $185.47 | 0.99% | 🇮🇪 Ireland | | 10 |  | $31.90 B | $139.91 | 0.06% | 🇮🇪 Ireland | | 11 |  | $25.49 B | $308.31 | 2.74% | 🇮🇪 Ireland | | 12 |  | $20.14 B | $203.90 | 1.17% | 🇮🇪 Ireland | | 13 |  | $19.41 B | $71.21 | 1.54% | 🇮🇪 Ireland | | 14 |  | $18.02 B | $86.04 | 1.40% | 🇮🇪 Ireland | | 15 |  | $17.31 B | $85.49 | 0.36% | 🇮🇪 Ireland | | 16 |  | $16.91 B | $92.32 | 4.55% | 🇮🇪 Ireland | | 17 |  | $16.06 B | $36.07 | 3.20% | 🇮🇪 Ireland |
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| 18 |  | $14.88 B | $85.80 | 0.94% | 🇮🇪 Ireland | | 19 |  | $13.67 B | $5.22 | 2.40% | 🇮🇪 Ireland | | 20 |  | $11.25 B | $10.83 | 2.27% | 🇮🇪 Ireland | | 21 |  | $11.16 B | $42.77 | 0.33% | 🇮🇪 Ireland | | 22 |  | $10.82 B | $123.85 | 0.82% | 🇮🇪 Ireland | | 23 |  | $6.82 B | $109.46 | 1.89% | 🇮🇪 Ireland | | 24 |  | $6.76 B | $68.44 | 0.46% | 🇮🇪 Ireland | | 25 |  | $4.99 B | $19.12 | 0.96% | 🇮🇪 Ireland | | 26 |  | $4.32 B | $31.94 | 2.14% | 🇮🇪 Ireland | | 27 |  | $4.17 B | $24.68 | 0.98% | 🇮🇪 Ireland | | 28 |  | $2.77 B | $30.42 | 3.43% | 🇮🇪 Ireland | | 29 |  | $2.38 B | $11.90 | 1.87% | 🇮🇪 Ireland | | 30 |  | $2.37 B | $89.08 | 0.53% | 🇮🇪 Ireland | | 31 |  | $1.61 B | $17.81 | 0.06% | 🇮🇪 Ireland | | 32 |  | $1.24 B | $77.61 | 2.68% | 🇮🇪 Ireland | | 33 |  | $1.15 B | $12.18 | 0.16% | 🇮🇪 Ireland | | 34 |  | $1.12 B | $14.24 | 0.26% | 🇮🇪 Ireland | | 35 |  | $1.12 B | $20.87 | 1.51% | 🇮🇪 Ireland | | 36 |  | $0.98 B | $4.39 | 0.49% | 🇮🇪 Ireland | | 37 |  | $0.79 B | $4.46 | 7.73% | 🇮🇪 Ireland | | 38 |  | $0.55 B | $10.89 | 0.09% | 🇮🇪 Ireland | | 39 |  | $0.54 B | $10.51 | 0.10% | 🇮🇪 Ireland | | 40 |  | $0.35 B | $0.87 | 1.72% | 🇮🇪 Ireland | | 41 |  | $0.23 B | $2.70 | 0.00% | 🇮🇪 Ireland | | 42 |  | $60.58 M | $3.58 | 1.42% | 🇮🇪 Ireland | | 43 |  | $27.43 M | $1.67 | 7.05% | 🇮🇪 Ireland | | 44 |  | $17.16 M | $1.40 | 0.71% | 🇮🇪 Ireland | | 45 |  | $13.98 M | $1.83 | 0.00% | 🇮🇪 Ireland | | 46 |  | $0.14 M | $0.0006000 | 0.00% | 🇮🇪 Ireland |
This is the list of the largest companies in Ireland by market capitalization. Only the top companies with headquarters in Ireland are shown in this list and companies that are not publicly traded are excluded. The ranking and the market cap data shown on this page are updated daily.