Top 94 Companies in Ireland by Market Cap

This is the list of the 94 largest public listed companies in Ireland by market capitalization. The rankings and Market Cap data of these companies are updated regularly.

Top Companies from Ireland as of Apr. 01, 2022

Ranking	Company	Market Cap (USD)	Stock	Country	Sector	Industry
1	Accenture plc	$219.03 B	ACN	Ireland	Technology	Information Technology Services
2	Medtronic plc	$151.06 B	MDT	Ireland	Healthcare	Medical Devices
3	Eaton Corporation plc	$62.17 B	ETN	Ireland	Industrials	Specialty Industrial Machinery
4	Johnson Controls International plc	$48.15 B	JCI	Ireland	Industrials	Engineering & Construction
5	Trane Technologies plc	$37.36 B	TT	Ireland	Industrials	Specialty Industrial Machinery
6	Experian plc	$35.40 B	EXPN	Ireland	Industrials	Consulting Services
7	Aptiv PLC	$33.02 B	APTV	Ireland	Consumer Discretionary	Auto Parts
8	CRH plc	$31.45 B	CRH	Ireland	Basic Materials	Building Materials
9	STERIS plc	$23.93 B	STE	Ireland	Healthcare	Medical Instruments & Supplies
10	Horizon Therapeutics Public Limited Company	$23.64 B	HZNP	Ireland	Healthcare	Drug Manufacturers—General
11	Seagate Technology plc	$21.21 B	STX	Ireland	Technology	Computer Hardware
12	Flutter Entertainment plc	$20.58 B	FLTR	Ireland	Consumer Discretionary	Gambling
13	Ryanair Holdings plc	$19.78 B (Jan. 1, 2022)	RY4C	Ireland	Industrials	Airlines
14	Kerry Group plc	$19.74 B	KRZ	Ireland	Consumer Staples	Packaged Foods
15	Kingspan Group plc	$17.60 B	KRX	Ireland	Industrials	Building Products & Equipment
16	James Hardie Industries plc	$13.43 B	JHX	Ireland	Basic Materials	Building Materials
17	ICON Public Limited Company	$13.01 B	ICLR	Ireland	Healthcare	Diagnostics & Research
18	Smurfit Kappa Group plc	$11.48 B	SK3	Ireland	Consumer Discretionary	Packaging & Containers
19	Allegion plc	$10.05 B	ALLE	Ireland	Industrials	Security & Protection Services
20	Jazz Pharmaceuticals plc	$8.85 B	JAZZ	Ireland	Healthcare	Biotechnology
21	DCC plc	$7.80 B	DCC	Ireland	Energy	Oil & Gas Refining & Marketing
22	Bank of Ireland Group plc	$6.84 B	BIRG	Ireland	Financials	Banks
23	AerCap Holdings N.V.	$6.69 B	AER	Ireland	Industrials	Airports & Air Services
24	AIB Group plc	$6.08 B	A5G	Ireland	Financials	Banks
25	Perrigo Company plc	$5.17 B	PRGO	Ireland	Healthcare	Drug Manufacturers—Specialty & Generic
26	Alkermes plc	$4.14 B	ALKS	Ireland	Healthcare	Biotechnology
27	Adient plc	$3.92 B	ADNT	Ireland	Consumer Discretionary	Auto Parts
28	Glanbia plc	$3.52 B	GL9	Ireland	Consumer Staples	Packaged Foods
29	Grafton Group plc	$3.07 B	GFTU	Ireland	Industrials	Building Products & Equipment
30	UDG Healthcare plc	$2.70 B (March 13, 2021)	UDG	Ireland	Healthcare	Medical Care Facilities
31	Keywords Studios plc	$2.55 B	KWS	Ireland	Communication Services	Electronic Gaming & Multimedia
32	Cimpress plc	$1.64 B	CMPR	Ireland	Communication Services	Advertising Agencies
33	Prothena Corporation plc	$1.57 B	PRTA	Ireland	Healthcare	Biotechnology
34	Amarin Corporation plc	$1.31 B	AMRN	Ireland	Healthcare	Biotechnology
35	Hibernia REIT plc	$1.21 B	HBRN	Ireland	Real Estate	REIT—Diversified
36	Glenveagh Properties plc	$1.16 B	GVR	Ireland	Consumer Discretionary	Residential Construction
37	Uniphar plc	$1.11 B	UPR	Ireland	Healthcare	Medical Care Facilities
38	Cairn Homes plc	$1.05 B	C5H	Ireland	Consumer Discretionary	Residential Construction
39	C&C Group plc	$1.00 B	CCR	Ireland	Consumer Staples	Beverages—Brewers
40	Dalata Hotel Group plc	$980.1 M	DHG	Ireland	Consumer Discretionary	Lodging
41	Total Produce plc	$973.0 M (March 13, 2021)	T7O	Ireland	Consumer Staples	Farm Products
42	COSMO Pharmaceuticals NV	$957.7 M	C43	Ireland	Healthcare	Drug Manufacturers—General
43	Greencoat Renewables plc	$945.8 M	GRP	Ireland	Utilities	Utilities—Independent Power Producers
44	Greencore Group plc	$917.7 M	GNC	Ireland	Consumer Staples	Packaged Foods
45	Irish Residential Properties REIT Plc	$884.4 M	IRES	Ireland	Real Estate	REIT—Residential
46	Applegreen plc	$830.9 M (March 13, 2021)	APGN	Ireland	Consumer Discretionary	Specialty Retail
47	Irish Continental Group plc	$812.2 M	IR5B	Ireland	Industrials	Marine Shipping
48	Permanent TSB Group Holdings plc	$811.4 M	IL0A	Ireland	Financials	Banks
49	Kenmare Resources plc	$695.9 M	KMR	Ireland	Basic Materials	Other Industrial Metals & Mining
50	Origin Enterprises plc	$595.9 M	OIZ	Ireland	Consumer Staples	Farm Products