Ryanair Holdings plc, together with its subsidiaries, provides scheduled-passenger airline services in Ireland, the United Kingdom, Italy, Spain, Germany, and other European countries. It is also involved in the provision of various ancillary services, such as non-flight scheduled and Internet-related services; in-flight sale of beverages, food, duty-free, and merchandise; and marketing of car hire and accommodation services, and travel insurance through its website and mobile app. In addition, the company offers aircraft and passenger handling, ticketing, and maintenance and repair services; and markets car parking, fast-track, airport transfers, attractions, and activities on its website and mobile app, as well as sells gift vouchers. As of June 30, 2022, it had a principal fleet of approximately 483 Boeing 737 aircrafts and 29 Airbus A320 aircrafts; and offered approximately 3,000 short-haul flights per day serving approximately 225 airports. Ryanair Holdings plc was founded in 1985 and is headquartered in Swords, Ireland.

Ryanair Holdings plc

Kerry Group plc, together with its subsidiaries, develops, manufactures, and delivers taste and nutrition solutions for the food, beverage, and pharmaceutical industries in Europe, the Middle East, Africa, the Americas, and the Asia Pacific. The company operates in two segments, Taste & Nutrition and Consumer Foods. The Taste & Nutrition segment provides taste, nutrition, and functional ingredients technologies and solutions for the food, beverage, and pharmaceutical markets. The Consumer Foods segment manufactures and supplies customer branded chilled food products primarily to the Irish and the United Kingdom markets. Kerry Group plc was founded in 1972 and is headquartered in Tralee, Ireland.

Kerry Group plc

AIB Group plc provides banking and financial products and services to retail, business, and corporate customers. It operates through Retail Banking, Corporate Institutional & Business Banking, AIB UK, and Group segments. The company offers current and savings accounts, demand deposits, notice deposits, fixed term deposits, junior/student saver deposits, and currency deposits. AIB Group plc also provides personal, car, home improvement, education, business, farm development, startup, farm investment, future growth, and brexit loans; graduate, corporate, asset, energy efficiency, forestry, invoice, prompt pay and insurance premium, debt, real estate, and trade finance; business and farmer credit line, government credit guarantees, and overdrafts; and venture capital funds, as well as mortgages. In addition, the company offers credit and debit cards; investment funds; life, home, car, travel, and business succession insurance products; and pension products. Further, it provides payment, merchant, cash management, FX rates, foreign currency and interest rate risk management, exporting, international cash flow management, foreign exchange, and interest rate fluctuation management services; and trade finance products, such as documentary collections, import and export letter of credit, standby letter of credit, and bank guarantees. AIB Group plc operates through a network of 296 locations in the Republic of Ireland and 29 locations in the United Kingdom. The company was formerly known as Allied Irish Banks, p.l.c. and changed its name to AIB Group plc in December 2017. AIB Group plc was founded in 1825 and is headquartered in Dublin, Ireland.

AIB Group plc

Kingspan Group plc, together with its subsidiaries, provides insulation and building envelope solutions in the Republic of Ireland, the United Kingdom, rest of Europe, the Americas, and internationally. It operates through five segments: Insulated Panels, Insulation, Light & Air, Water & Energy, and Data & Flooring. The Insulated Panels segment manufactures insulated panels, structural framing, and metal facades components. The Insulation segment provides rigid insulation boards, technical insulation, and engineered timber systems. The Light & Air segment manufactures daylighting, smoke management, and ventilation systems. The Water & Energy segment provides energy and water solutions, and related services. The Data & Flooring segment offers data centre storage solutions, as well as raised access floors. It also engages in the trustee and finance businesses. The company was founded in 1965 and is headquartered in Kingscourt, Ireland.

Kingspan Group plc

Bank of Ireland Group plc provides various banking and financial products and services. The company operates through Retail Ireland, Wealth and Insurance, Retail UK, and Corporate and Treasury segments. It provides current and savings accounts, and business deposits and accounts; personal, car, home improvement, graduate, and student loans, as well as overdrafts; and business and farming loans, BREXIT loans, invoice finance, hire purchase, and leasing services. The company also offers international payments and credit cards; protection overview, mortgage protection, life cover, specified illness cover, income protection, protection for individuals, and protection for families; pensions and investments, foreign exchange, and treasury deposits and services; personal products; private banking services; and leveraged acquisition and property finance. In addition, it provides home, car, travel, and life insurance products. Bank of Ireland Group plc was founded in 1783 and is headquartered in Dublin, Ireland.

Bank of Ireland Group plc

Glanbia plc operates as a nutrition company worldwide. The company manufactures and sells sports nutrition and lifestyle nutrition products in various formats, including powders, ready-to-eat bars and snacking foods, and ready-to-drink beverages through various channels, such as specialty retail, online, and gyms, as well the food, drug, mass, and club channels. It engages in the manufacture and sale of cheese, dairy, and non-dairy nutritional and functional ingredients, and vitamin and mineral premixes. In addition, the company engages in the financing, research and development, property and land dealing, receivables management, management, property leasing, business service, and weight management solutions businesses. It operates a portfolio of brands, including OPTIMUM NUTRITION, SlimFast, BSN, ISOPURE, NUTRAMINO, think!, Amazing Grass, and BODY&FIT brands. Glanbia plc was founded in 1964 and is headquartered in Kilkenny, Ireland.

Glanbia plc

Dalata Hotel Group plc owns and operates hotels under the Maldron Hotels and Clayton Hotels brand names in Dublin, Regional Ireland, and United Kingdom. The company operates three-star and four-star hotels. It also operates Grain & Grill restaurants and bars; Club Vitae health and fitness clubs; and Red Bean Roastery coffee outlets in hotels. In addition, the company engages in the financing, catering, asset management, management, and property investment and holding activities. As of April 6, 2022, it had a portfolio of 48 hotels with a total of 10,459 rooms. Dalata Hotel Group plc was incorporated in 2007 and is based in Dublin, Ireland.

Dalata Hotel Group plc

Permanent TSB Group Holdings plc operates in the retail, and small and medium sized enterprises (SME) banking sectors in the Republic of Ireland. It provides transactional banking, lending, saving, and deposit taking services. The company offers its products and services through branch network, brokers, direct, digital and SME channel. Permanent TSB Group Holdings plc was founded in 1816 and is headquartered in Dublin, Ireland.

Permanent TSB Group Holdings plc

Uniphar plc operates as a diversified healthcare services company in the Republic of Ireland, the United Kingdom, and internationally. The company operates through three divisions: Commercial & Clinical, Product Access, and Supply Chain & Retail. The Commercial & Clinical division offers outsourced sales, marketing, and multichannel account management services to pharmaco-medical manufacturers; and distribution and support services to medical device manufacturers. The Product Access division provides on demand services, which provides access to pharmaco-medical products and treatments by developing valuable relationships and interactions between manufacturers and other healthcare stakeholders; and exclusive access services that offers bespoke distribution partnerships to pharmaceutical partners for key brands. The Supply Chain & Retail division engages in pre-wholesale and wholesale distribution of pharmaceutical, healthcare, and animal health products to pharmacies, hospitals, and veterinary surgeons; and operates a network of pharmacies under the Life, Allcare, and Hickey's brands. It also offers pharmacy support, pharmaceutical supply chain, specialist nursing and infusion, medical device distribution, healthcare technology, data intelligence and consultancy services, pharmaceutical advisory, medical affairs, and online pharmacy and product fostering services, as well as data solutions for pharma industry. Uniphar plc was founded in 1967 and is headquartered in Dublin, Ireland.

Uniphar plc

Glenveagh Properties PLC, together with its subsidiaries, engages in the construction and sale of houses and apartments for the private buyers, local authorities, and the private rental sector in the Greater Dublin Area and Cork, Ireland. The company operates through Suburban and Urban segments. It also provides investment services; and operates golf clubs. The company was founded in 2003 and is based in Maynooth, Ireland.

Glenveagh Properties PLC

Greencoat Renewables PLC invests in, acquires, operates, and manages wind farms in France, Finland, Sweden, and Spain. As of December 31, 2021, the company operated 25 wind farms with an aggregate generating capacity of 800 megawatts. It also invests in solar generation assets. The company was incorporated in 2017 and is based in Dublin, Ireland.

Greencoat Renewables PLC

FBD Holdings plc, through its subsidiaries, engages in the underwriting of general insurance to farmers, private individuals, and business owners in Ireland. The company operates in two segments, Underwriting and Financial Services. It offers car, home, travel, life and pension, business, and farm insurance products, as well as insurance related to motor, fire, liability, and other damage to property. The company also provides investment, pension and life brokerage, and employee services. It serves customers through a network of 34 branches. FBD Holdings plc was founded in 1969 and is headquartered in Dublin, Ireland.

FBD Holdings plc

Irish Residential Properties REIT Plc (I-RES registration # 529737) is an Irish REIT focused on consolidating the fragmented Irish rental market by targeting quality multi-unit residential real estate in Dublin and other major centres. I-RES is externally managed by certain subsidiaries of CAPREIT (TSX:CAR.UN). Through its arrangements with CAPREIT, I-RES's operational strategy is to deliver superior customer service, enhance tenant retention, and deliver quality homes by leveraging CAPREIT's hands-on experience, and proven operating philosophies. I-RES was listed on the Irish Stock Exchange (now Euronext Dublin) in April 2014.

Irish Residential Properties REIT Plc

Origin Enterprises plc operates as an agri-services company in Ireland, the United Kingdom, Belgium, Brazil, Poland, Romania, Ukraine, and Latin America. The company provides integrated agronomy and on-farm services comprising specialty agronomy, technology and strategic advisory, and agronomy advisory services. It also wholesales agricultural products, such as seeds, chemicals, fencing wires, feed supplements, granulated lime products, and farm plastics, as well as supply of specialized cement products for the building industry; manufactures and distributes blended and straight fertilizers, and granulated lime; and develops and markets value added crop nutrition and specialty inputs, as well as provides digital agronomy applications and agri-tech services to producers, input manufacturers, and agri-service companies. In addition, the company manufactures and sells amenity paints; supplies line marking paints, as well as machines and accessories; and offers various products and services for installation, management, and maintenance of the natural grass and synthetic sporting, amenity, and landscaped surfaces. Further, it is involved in the manufacturing and supplying turf management products, including fertilizers, plant protection products, bio stimulants, and wetting agents; and identification, selection, and use of soil bacteria, fungi, and the organisms found in healthy soil to optimize plant growth and strength. Additionally, the company retails and manufactures animal feeds for the ruminant, pig, and poultry markets; and imports and supplies raw material ingredients to the animal feed manufacturing and flour milling industries. The company is also involved in the grain and feed trading; silo operation; manufacture and distribution of landscaping, and forestry and grounds maintenance equipment; property trading; and IT implementation, maintaining, and licensing of software. Origin Enterprises plc was incorporated in 2006 and is based in Dublin, Ireland.

Origin Enterprises plc

Datalex plc develops and sells various distribution and retailing software products and solutions to the airline industry in Ireland, the Americas, the Asia Pacific, the United Kingdom, and rest of European countries. The company operates in two segments, E-Business and TPF Consulting. It offers Datalex Direct, a customer-centric digital commerce product for travel retailing through airlines' direct channels; Datalex Merchandiser that enables airlines to deploy intelligent merchandising strategies across channels and touchpoints, generates ancillary revenue, and optimizes traveler engagement at various point in their journey; Datalex NDC, which provides end-to-end offer and order management for indirect channel using NDC; and Datalex Dynamic, which creates and optimizes capabilities by allowing airlines to build customer centric, contextualized, and personalized offers for air and non-air products. The company also provides Datalex China Shopping and Pricing Engine, an air shopping and pricing solution for Chinese airlines; and Datalex Pricing AI, a real-time pricing product. In addition, it delivers professional and hosting services; and offers online payment processing connectivity services, as well as IT consultancy services to airlines. Datalex plc was founded in 1985 and is headquartered in Dublin, Ireland.

Datalex plc

Malin Corporation plc, through its subsidiaries, operates in the life sciences industry in Ireland and the United States. It offers life-saving cell and gene therapies for patients with high unmet medical need; medicines to address unmet needs in cancer, infection, and autoimmune diseases; and treatment of recurrent vulvovaginal candidiasis, an unmet need in women's health and onychomycosis or fungal nail infection. The company also provides drugs for protein misfolding diseases; and platform to distinguish disease-driving bacteria from the intestinal microbiota, as well as UV-light disinfection technology solutions. In addition, it provides company secretarial services. Malin Corporation plc was incorporated in 2014 and is headquartered in Dublin, Ireland.

Malin Corporation plc

Donegal Investment Group plc engages in the growing, development, purchase, and sale of seed potatoes in Ireland, rest of Europe, and internationally. It is also involved in the rental and sale of property assets. The company was formerly known as Donegal Creameries plc and changed its name to Donegal Investment Group plc in July 2013. Donegal Investment Group plc was founded in 1898 and is headquartered in Letterkenny, Ireland.

Donegal Investment Group plc

This list showcases the top 100 stocks listed on the Irish Stock Exchange (ISE), ranked by market capitalization, highlighting the leading companies traded on this exchange.

Explore the top 100 stocks listed on the Irish Stock Exchange (ISE). Discover leading companies and investment opportunities on this exchange.

Ticker	Company	Country	Exchange	Industry	Market Cap
RYA	Ryanair Holdings plc	IE	ISE	Passenger Airlines	$29,187.95M
KRZ	Kerry Group plc	IE	ISE	Food Products	$18,211.06M
A5G	AIB Group plc	IE	ISE	Banks	$17,358.60M
KRX	Kingspan Group plc	IE	ISE	Building Products	$16,341.69M
BIRG	Bank of Ireland Group plc	IE	ISE	Banks	$13,594.50M
GL9	Glanbia plc	IE	ISE	Food Products	$3,194.40M
DHG	Dalata Hotel Group plc	IE	ISE	Hotels, Restaurants and Leisure	$1,535.48M
PTSB	Permanent TSB Group Holdings plc	IE	ISE	Banks	$1,187.37M
UPR	Uniphar plc	IE	ISE	Health Care Providers and Services	$1,155.13M
GVR	Glenveagh Properties PLC	IE	ISE	Household Durables	$1,124.64M
GRP	Greencoat Renewables PLC	IE	ISE	Independent Power and Renewable Electricity Producers	$985.73M
EG7	FBD Holdings plc	IE	ISE	Insurance	$650.07M
IRES	Irish Residential Properties REIT Plc	IE	ISE	Residential REITs	$644.11M
OIZ	Origin Enterprises plc	IE	ISE	Food Products	$454.89M
DLE	Datalex plc	IE	ISE	Software	$63.97M
MLC	Malin Corporation plc	IE	ISE	Life Sciences Tools and Services	$41.64M
DQ7A	Donegal Investment Group plc	IE	ISE	Food Products	$24.04M