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Largest Ireland Companies by Market Cap (April 2025)

As of April 21, 2025, the total market capitalization of the 45 publicly traded companies in Ireland, according to our data, is $914.56 billion.
$914.56 B
Ireland Market Cap 0.10%
$130135508.0
24h Trading Volume
Accenture (ACN) is the most valuable company in the Ireland with a market capitalization of $176.76 billion, followed by Medtronic (MDT) and Eaton (ETN). The data was last updated on April 21, 2025.
Rank Name Market Cap Price MCap(30D) MCap(1Y) Regions
1
Accenture Logo
Accenture
ACN
 		$176.76 B $282.35
0.00%
23.3%
Ireland
2
Medtronic Logo
Medtronic
MDT
 		$105.94 B $82.60
0.00%
18.1%
Ireland
3
Eaton Logo
Eaton
ETN
 		$105.12 B $268.32
0.00%
1.3%
Ireland
4
Trane Technologies Logo
Trane Technologies
TT
 		$74.72 B $333.16
0.00%
25.4%
Ireland
5
Cement Roadstone Holding Logo
Cement Roadstone Holding
CRH
 		$57.31 B $84.75
0.00%
40.7%
Ireland
6
Johnson Controls Logo
Johnson Controls
JCI
 		$50.72 B $76.83
0.00%
41.0%
Ireland
7
Experian Logo
Experian
EXPGF
 		$41.85 B $45.06
0.00%
21.8%
Ireland
8
Flutter Entertainment Logo
Flutter Entertainment
FLUT
 		$40.23 B $227.66
0.00%
61.6%
Ireland
9
Ingersoll Rand Logo
Ingersoll Rand
IR
 		$29.04 B $72.04
0.00%
-3.2%
Ireland
10
Ryanair Logo
Ryanair
RYAAY
 		$24.28 B $45.68
0.00%
-18.8%
Ireland
11
Steris Logo
Steris
STE
 		$21.83 B $222.23
0.00%
10.0%
Ireland
12
AerCap Logo
AerCap
AER
 		$18.18 B $97.35
0.00%
20.3%
Ireland
13
Kerry Group Logo
Kerry Group
KRZ.IR
 		$17.68 B $107.15
0.00%
22.3%
Ireland
14
Seagate Technology Logo
Seagate Technology
STX
 		$16.04 B $75.78
0.00%
21.6%
Ireland
15
Kingspan Group Logo
Kingspan Group
KRX.IR
 		$14.80 B $81.16
0.00%
-14.3%
Ireland
16
AIB Group (Allied Irish Banks) Logo
AIB Group (Allied Irish Banks)
A5G.IR
 		$14.65 B $6.29
0.00%
23.8%
Ireland
17
Smurfit Kappa Group Logo
Smurfit Kappa Group
SK3.IR
 		$12.41 B $47.54
0.00%
1.2%
Ireland
18
Aptiv Logo
Aptiv
APTV
 		$11.86 B $51.71
0.00%
-4.4%
Ireland
19
Bank of Ireland Group Logo
Bank of Ireland Group
BIRG.IR
 		$11.49 B $11.67
0.00%
8.7%
Ireland
20
ICON plc Logo
ICON plc
ICLR
 		$11.26 B $139.32
0.00%
-37.5%
Ireland
21
Allegion Logo
Allegion
ALLE
 		$10.90 B $126.35
0.00%
7.1%
Ireland
22
James Hardie Industries Logo
James Hardie Industries
JHX
 		$9.66 B $22.48
0.00%
-5.6%
Ireland
23
DCC plc Logo
DCC plc
DCC.L
 		$6.57 B $6640.44
0.00%
2.1%
Ireland
24
Jazz Pharmaceuticals Logo
Jazz Pharmaceuticals
JAZZ
 		$6.24 B $102.78
0.00%
23.1%
Ireland
25
Alkermes Logo
Alkermes
ALKS
 		$4.45 B $27.00
0.00%
49.1%
Ireland
26
Perrigo Logo
Perrigo
PRGO
 		$3.46 B $25.32
0.00%
-16.9%
Ireland
27
Glanbia plc Logo
Glanbia plc
GL9.IR
 		$2.95 B $11.60
0.00%
-17.7%
Ireland
28
Keywords Studios Logo
Keywords Studios
KWS.L
 		$2.74 B $3261.55
0.00%
108.7%
Ireland
29
Grafton Group Logo
Grafton Group
GFTU.L
 		$2.30 B $1178.88
0.00%
-1.8%
Ireland
30
Dole PLC Logo
Dole PLC
DOLE
 		$1.33 B $13.94
0.00%
11.6%
Ireland
31
Dalata Hotel Group Logo
Dalata Hotel Group
DHG.IR
 		$1.24 B $5.89
0.00%
17.7%
Ireland
32
Cimpress Logo
Cimpress
CMPR
 		$1.05 B $42.11
0.00%
-39.4%
Ireland
33
Adient Logo
Adient
ADNT
 		$0.96 B $11.43
0.00%
-40.9%
Ireland
34
Cosmo Pharmaceuticals Logo
Cosmo Pharmaceuticals
C43.F
 		$0.94 B $57.36
0.00%
-6.1%
Ireland
35
Avadel Pharmaceuticals Logo
Avadel Pharmaceuticals
AVDL
 		$0.78 B $8.03
0.00%
-50.2%
Ireland
36
ADS-TEC Energy Logo
ADS-TEC Energy
ADSE
 		$0.68 B $12.70
0.00%
35.1%
Ireland
37
GH Research Logo
GH Research
GHRS
 		$0.56 B $9.10
0.00%
22.1%
Ireland
38
Prothena Logo
Prothena
PRTA
 		$0.50 B $9.20
0.00%
-33.4%
Ireland
39
kneat.com Logo
kneat.com
FOBK.F
 		$0.41 B $4.34
0.00%
79.5%
Ireland
40
Navitas Semiconductor Logo
Navitas Semiconductor
NVTS
 		$0.35 B $1.82
0.00%
-18.3%
Ireland
41
Amarin Corporation Logo
Amarin Corporation
AMRN
 		$0.19 B $9.11
0.00%
-29.9%
Ireland
42
Mural Oncology Logo
Mural Oncology
MURA
 		$46.52 M $2.70
0.00%
19.5%
Ireland
43
Iterum Therapeutics Logo
Iterum Therapeutics
ITRM
 		$37.35 M $1.08
0.00%
-2.5%
Ireland
44
Trinity Biotech Logo
Trinity Biotech
TRIB
 		$10.56 M $0.55
0.00%
-58.0%
Ireland
45
Brera Holdings Logo
Brera Holdings
BREA
 		$8.27 M $0.65
0.00%
-50.8%
Ireland
This list ranks the largest companies in the Ireland by market capitalization, based on publicly traded companies listed in the Ireland. It does not include privately held companies. Here, you can clearly see their market cap on any given day, along with historical changes in their market value.
What is Market Capitalization?

Market capitalization, or market cap, is a key measure of a company's market value. It is calculated by multiplying the current stock price by the total number of outstanding shares. Market cap is often used by investors to assess a company's size, stability, and market presence. For any inquiries or to report an issue, please email us at hello@topmarketcap.net.

Disclaimer

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