Largest Irish companies by market cap

Companies: 45 total market cap: HK$8.231 T

Rank	Name	Market Cap	Price	Today	Country
1	Accenture ACN	HK$1.679 T	HK$2,688	0.25%	🇮🇪 Ireland
2	Eaton ETN	HK$1.037 T	HK$2,605	1.03%	🇮🇪 Ireland
3	Medtronic MDT	HK$898.41 B	HK$700.47	0.92%	🇮🇪 Ireland
4	Trane Technologies TT	HK$658.25 B	HK$2,925	1.62%	🇮🇪 Ireland
5	Cement Roadstone Holding CRH	HK$506.05 B	HK$745.03	0.39%	🇮🇪 Ireland
6	Johnson Controls JCI	HK$392.22 B	HK$587.16	0.07%	🇮🇪 Ireland
7	Experian EXPGF	HK$357.78 B	HK$391.49	0.00%	🇮🇪 Ireland
8	Flutter Entertainment FLUT	HK$319.67 B	HK$1,798	0.69%	🇮🇪 Ireland
9	Ingersoll Rand IR	HK$294.86 B	HK$730.80	2.11%	🇮🇪 Ireland
10	Smurfit Westrock SW	HK$207.83 B	HK$400.20	0.08%	🇮🇪 Ireland
11	Ryanair RYAAY	HK$192.84 B	HK$354.16	2.89%	🇮🇪 Ireland
12	Steris STE	HK$172.69 B	HK$1,751	1.50%	🇮🇪 Ireland
13	Seagate Technology STX	HK$163.04 B	HK$770.77	1.26%	🇮🇪 Ireland
14	ICON plc ICLR	HK$141.50 B	HK$1,714	0.77%	🇮🇪 Ireland
15	AerCap AER	HK$139.15 B	HK$733.44	0.81%	🇮🇪 Ireland
16	Kerry Group KRZ.IR	HK$137.23 B	HK$791.80	3.06%	🇮🇪 Ireland
17	Kingspan Group KRX.IR	HK$122.62 B	HK$672.98	0.62%	🇮🇪 Ireland

18	James Hardie Industries JHX	HK$105.15 B	HK$243.18	1.97%	🇮🇪 Ireland
19	Aptiv APTV	HK$103.00 B	HK$438.38	0.81%	🇮🇪 Ireland
20	AIB Group (Allied Irish Banks) A5G.IR	HK$100.49 B	HK$43.16	5.03%	🇮🇪 Ireland
21	Allegion ALLE	HK$94.53 B	HK$1,087	0.14%	🇮🇪 Ireland
22	Bank of Ireland Group BIRG.IR	HK$73.97 B	HK$73.47	3.40%	🇮🇪 Ireland
23	Jazz Pharmaceuticals JAZZ	HK$53.04 B	HK$858.96	0.38%	🇮🇪 Ireland
24	DCC plc DCC.L	HK$50.65 B	HK$498.45	0.86%	🇮🇪 Ireland
25	Glanbia plc GL9.IR	HK$34.40 B	HK$130.65	2.03%	🇮🇪 Ireland
26	Alkermes ALKS	HK$33.30 B	HK$205.85	3.00%	🇮🇪 Ireland
27	Perrigo PRGO	HK$27.67 B	HK$202.90	1.79%	🇮🇪 Ireland
28	Keywords Studios KWS.L	HK$20.73 B	HK$246.51	0.08%	🇮🇪 Ireland
29	Grafton Group GFTU.L	HK$20.31 B	HK$102.29	1.34%	🇮🇪 Ireland
30	Cimpress CMPR	HK$13.99 B	HK$554.10	3.25%	🇮🇪 Ireland
31	Adient ADNT	HK$13.43 B	HK$154.14	1.48%	🇮🇪 Ireland
32	Dole PLC DOLE	HK$11.88 B	HK$125.21	0.31%	🇮🇪 Ireland
33	Avadel Pharmaceuticals AVDL	HK$11.26 B	HK$117.04	2.71%	🇮🇪 Ireland
34	Cosmo Pharmaceuticals C43.F	HK$9.56 B	HK$596.16	2.74%	🇮🇪 Ireland
35	Dalata Hotel Group DHG.IR	HK$7.86 B	HK$36.44	1.40%	🇮🇪 Ireland
36	Prothena PRTA	HK$6.96 B	HK$129.49	2.06%	🇮🇪 Ireland
37	ADS-TEC Energy ADSE	HK$5.63 B	HK$109.50	1.88%	🇮🇪 Ireland
38	Navitas Semiconductor NVTS	HK$3.68 B	HK$20.06	4.45%	🇮🇪 Ireland
39	GH Research GHRS	HK$3.29 B	HK$63.38	0.62%	🇮🇪 Ireland
40	kneat.com FOBK.F	HK$2.46 B	HK$26.03	1.27%	🇮🇪 Ireland
41	Amarin Corporation AMRN	HK$1.87 B	HK$4.56	1.12%	🇮🇪 Ireland
42	Mural Oncology MURA	HK$0.45 B	HK$26.91	1.70%	🇮🇪 Ireland
43	Iterum Therapeutics ITRM	HK$0.21 B	HK$9.49	5.43%	🇮🇪 Ireland
44	Trinity Biotech TRIB	HK$0.12 B	HK$13.14	3.98%	🇮🇪 Ireland
45	Brera Holdings BREA	HK$85.19 M	HK$6.39	4.41%	🇮🇪 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.

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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