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Top FTSE AIM All-Share Companies by Market Cap and Stocks in 2026

This is the list of the largest public listed companies in the FTSE AIM All-Share index ranked by market capitalization, together with links to their reference stock, sector and industry.

FTSE AIM All-Share Chart & Analysis

Top FTSE AIM All-Share Companies Ranking by Market Cap as of Jan. 1, 2026

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Ranking Company Stock Market Cap (USD) Country Sector Industry
541 Dillistone Group plc DSG $23,356 United Kingdom UK Technology UK Software—Application
542 Minoan Group plc MIN $22,354

(July 1, 2025)

 United Kingdom UK Consumer Discretionary UK Travel Services
543 Europa Metals Limited EUZ $14,093 Australia Australian Basic Materials Australian Other Industrial Metals & Mining
544 Kibo Energy plc KIBO $13,861 Ireland Irish Energy Irish Thermal Coal
545 Ovoca Bio plc OVB $12,622 Ireland Irish Healthcare Irish Biotechnology
546 Versarien plc VRS $8,087 United Kingdom UK Basic Materials UK Specialty Chemicals
547 Totally plc TLY $6,484

(July 1, 2025)

 United Kingdom UK Healthcare UK Medical Care Facilities
548 Inspirit Energy Holdings plc INSP $2,152

(July 1, 2025)

 United Kingdom UK Industrials UK Specialty Industrial Machinery
549 Roadside Real Estate plc ROAD United Kingdom UK Real Estate UK Real Estate—Development
550 AdvancedAdvT Ltd ADVT United Kingdom UK Financials UK Shell Companies
551 Belluscura plc BELL United Kingdom UK Healthcare UK Medical Devices
552 Big Technologies plc BIG United Kingdom UK Technology UK Software—Application
553 CMO Group PLC CMO United Kingdom UK Consumer Discretionary UK Home Improvement Retail
554 MaxCyte, Inc. MXCT United States US Healthcare US Diagnostics & Research
555 Itim Group Plc ITIM United Kingdom UK Technology UK Software—Application
556 Microlise Group plc SAAS United Kingdom UK Technology UK Software—Application
557 Orcadian Energy Plc ORCA United Kingdom UK Energy UK Oil & Gas E&P
558 Poolbeg Pharma PLC POLB United Kingdom UK Healthcare UK Biotechnology
559 Silver Bullet Data Services Group PLC SBDS United Kingdom UK Communication Services UK Advertising Agencies
560 Epwin Group plc EPWN United Kingdom UK Industrials UK Building Products & Equipment
561 Tortilla Mexican Grill PLC MEX United Kingdom UK Consumer Discretionary UK Restaurants
562 Molecular Energies PLC MEN United Kingdom UK Energy UK Oil & Gas E&P
563 Celadon Pharmaceuticals Plc CEL United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
564 Nexxen International Ltd. NEXN Israel Israeli Communication Services Israeli Advertising Agencies
565 Next 15 Group PLC NFG United Kingdom UK Communication Services UK Advertising Agencies
566 Harland & Wolff Group Holdings Plc HARL United Kingdom UK Industrials UK Aerospace & Defense
567 LBG Media plc LBG United Kingdom UK Communication Services UK Publishing
568 Quantum Blockchain Technologies Plc QBT United Kingdom UK Financials UK Capital Markets
569 Cavendish Financial plc CAV United Kingdom UK Financials UK Capital Markets
570 Challenger Energy Group PLC CEG United Kingdom UK Energy UK Oil & Gas E&P

Top FTSE AIM All-Share Companies Ranking by Market Cap as of Jan. 1, 2026

541. Dillistone Group plc

Company Profile: Dillistone Group plc
Market Cap (USD): $23,356
Stock: DSG wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

542. Minoan Group plc

Company Profile: Minoan Group plc
Market Cap (USD): $22,354 (July 1, 2025)
Stock: MIN wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Travel Services

543. Europa Metals Limited

Company Profile: Europa Metals Limited
Market Cap (USD): $14,093
Stock: EUZ wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Industrial Metals & Mining

544. Kibo Energy plc

Company Profile: Kibo Energy plc
Market Cap (USD): $13,861
Stock: KIBO wb_incandescent
Country: Ireland
Sector: Irish Energy
Industry: Irish Thermal Coal

545. Ovoca Bio plc

Company Profile: Ovoca Bio plc
Market Cap (USD): $12,622
Stock: OVB wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Biotechnology

546. Versarien plc

Company Profile: Versarien plc
Market Cap (USD): $8,087
Stock: VRS wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

547. Totally plc

Company Profile: Totally plc
Market Cap (USD): $6,484 (July 1, 2025)
Stock: TLY wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

548. Inspirit Energy Holdings plc

Company Profile: Inspirit Energy Holdings plc
Market Cap (USD): $2,152 (July 1, 2025)
Stock: INSP wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

549. Roadside Real Estate plc

Company Profile: Roadside Real Estate plc
Stock: ROAD wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate—Development

550. AdvancedAdvT Ltd

Company Profile: AdvancedAdvT Ltd
Stock: ADVT wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Shell Companies

551. Belluscura plc

Company Profile: Belluscura plc
Stock: BELL wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

552. Big Technologies plc

Company Profile: Big Technologies plc
Stock: BIG wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

553. CMO Group PLC

Company Profile: CMO Group PLC
Stock: CMO wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Home Improvement Retail

554. MaxCyte, Inc.

Company Profile: MaxCyte, Inc.
Stock: MXCT wb_incandescent
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

555. Itim Group Plc

Company Profile: Itim Group Plc
Stock: ITIM wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

556. Microlise Group plc

Company Profile: Microlise Group plc
Stock: SAAS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

557. Orcadian Energy Plc

Company Profile: Orcadian Energy Plc
Stock: ORCA wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

558. Poolbeg Pharma PLC

Company Profile: Poolbeg Pharma PLC
Stock: POLB wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

559. Silver Bullet Data Services Group PLC

Company Profile: Silver Bullet Data Services Group PLC
Stock: SBDS wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

560. Epwin Group plc

Company Profile: Epwin Group plc
Stock: EPWN wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Building Products & Equipment

561. Tortilla Mexican Grill PLC

Company Profile: Tortilla Mexican Grill PLC
Stock: MEX wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

562. Molecular Energies PLC

Company Profile: Molecular Energies PLC
Stock: MEN wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

563. Celadon Pharmaceuticals Plc

Company Profile: Celadon Pharmaceuticals Plc
Stock: CEL wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

564. Nexxen International Ltd.

Company Profile: Nexxen International Ltd.
Stock: NEXN wb_incandescent
Country: Israel
Sector: Israeli Communication Services
Industry: Israeli Advertising Agencies

565. Next 15 Group PLC

Company Profile: Next 15 Group PLC
Stock: NFG wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

566. Harland & Wolff Group Holdings Plc

Company Profile: Harland & Wolff Group Holdings Plc
Stock: HARL wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

567. LBG Media plc

Company Profile: LBG Media plc
Stock: LBG wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

568. Quantum Blockchain Technologies Plc

Company Profile: Quantum Blockchain Technologies Plc
Stock: QBT wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

569. Cavendish Financial plc

Company Profile: Cavendish Financial plc
Stock: CAV wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

570. Challenger Energy Group PLC

Company Profile: Challenger Energy Group PLC
Stock: CEG wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

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