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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.

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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
601 Likewise Group plc LIKE United Kingdom UK Consumer Discretionary UK Furnishings, Fixtures & Appliances
602 LifeSafe Holdings plc LIFS United Kingdom UK Industrials UK Building Products & Equipment
603 Libertine Holdings Plc LIB United Kingdom UK Industrials UK Specialty Industrial Machinery
604 i(x) Net Zero Plc IX. United Kingdom UK Financials UK Asset Management
605 Huddled Group PLC HUD United Kingdom UK Communication Services UK Entertainment
606 Hercules Site Services Plc HERC United Kingdom UK Industrials UK Engineering & Construction
607 GreenRoc Mining Plc GROC United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
608 Golden Metal Resources PLC GMET United Kingdom UK Basic Materials UK Other Precious Metals & Mining
609 GENinCode plc GENI United Kingdom UK Healthcare UK Diagnostics & Research
610 Firering Strategic Minerals Plc FRG Cyprus Cyprus Basic Materials Cyprus Other Industrial Metals & Mining
611 Fulcrum Metals plc FMET Ireland Irish Basic Materials Irish Other Precious Metals & Mining
612 Future Metals NL FME Australia Australian Basic Materials Australian Other Precious Metals & Mining
613 ENGAGE XR Holdings plc EXR Ireland Irish Technology Irish Software—Application
614 Eneraqua Technologies plc ETP United Kingdom UK Utilities UK Utilities—Independent Power Producers
615 EnergyPathways Ltd EPP United Kingdom UK Utilities UK Utilities—Regulated Gas
616 EnSilica plc ENSI United Kingdom UK Technology UK Semiconductors
617 ECO Buildings Group Limited ECOB United Kingdom UK Basic Materials UK Building Materials
618 DSW Capital plc DSW United Kingdom UK Industrials UK Specialty Business Services
619 CT Automotive Group plc CTA United Kingdom UK Consumer Discretionary UK Auto Parts
620 Cordel Group Plc CRDL Australia Australian Technology Australian Software—Application
621 Clean Power Hydrogen Plc CPH2 United Kingdom UK Industrials UK Specialty Industrial Machinery
622 Northcoders Group PLC CODE United Kingdom UK Consumer Staples UK Education & Training Services
623 Cambridge Nutritional Sciences PLC CNSL United Kingdom UK Healthcare UK Medical Instruments & Supplies
624 Chapel Down Group Plc CDGP United Kingdom UK Consumer Staples UK Beverages—Wineries & Distilleries
625 BiVictriX Therapeutics Plc BVX United Kingdom UK Healthcare UK Biotechnology
626 Fiinu Plc BANK United Kingdom UK Financials UK Credit Services
627 ATOME Energy PLC ATOM United Kingdom UK Utilities UK Utilities—Renewable
628 Acuity RM Group PLC ACRM United Kingdom UK Financials UK Asset Management
629 NIOX Group Plc NIOX United Kingdom UK Healthcare UK Medical Devices
630 Kinovo plc KINO United Kingdom UK Industrials UK Engineering & Construction

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

601. Likewise Group plc

Company Profile: Likewise Group plc
Stock: LIKE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Furnishings, Fixtures & Appliances

602. LifeSafe Holdings plc

Company Profile: LifeSafe Holdings plc
Stock: LIFS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Building Products & Equipment

603. Libertine Holdings Plc

Company Profile: Libertine Holdings Plc
Stock: LIB wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

604. i(x) Net Zero Plc

Company Profile: i(x) Net Zero Plc
Stock: IX. wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

605. Huddled Group PLC

Company Profile: Huddled Group PLC
Stock: HUD wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

606. Hercules Site Services Plc

Company Profile: Hercules Site Services Plc
Stock: HERC wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

607. GreenRoc Mining Plc

Company Profile: GreenRoc Mining Plc
Stock: GROC wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

608. Golden Metal Resources PLC

Company Profile: Golden Metal Resources PLC
Stock: GMET wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Precious Metals & Mining

609. GENinCode plc

Company Profile: GENinCode plc
Stock: GENI wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

610. Firering Strategic Minerals Plc

Company Profile: Firering Strategic Minerals Plc
Stock: FRG wb_incandescent
Country: Cyprus
Sector: Cyprus Basic Materials
Industry: Cyprus Other Industrial Metals & Mining

611. Fulcrum Metals plc

Company Profile: Fulcrum Metals plc
Stock: FMET wb_incandescent
Country: Ireland
Sector: Irish Basic Materials
Industry: Irish Other Precious Metals & Mining

612. Future Metals NL

Company Profile: Future Metals NL
Stock: FME wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Precious Metals & Mining

613. ENGAGE XR Holdings plc

Company Profile: ENGAGE XR Holdings plc
Stock: EXR wb_incandescent
Country: Ireland
Sector: Irish Technology
Industry: Irish Software—Application

614. Eneraqua Technologies plc

Company Profile: Eneraqua Technologies plc
Stock: ETP wb_incandescent
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Independent Power Producers

615. EnergyPathways Ltd

Company Profile: EnergyPathways Ltd
Stock: EPP wb_incandescent
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Regulated Gas

616. EnSilica plc

Company Profile: EnSilica plc
Stock: ENSI wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductors

617. ECO Buildings Group Limited

Company Profile: ECO Buildings Group Limited
Stock: ECOB wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

618. DSW Capital plc

Company Profile: DSW Capital plc
Stock: DSW wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

619. CT Automotive Group plc

Company Profile: CT Automotive Group plc
Stock: CTA wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Auto Parts

620. Cordel Group Plc

Company Profile: Cordel Group Plc
Stock: CRDL wb_incandescent
Country: Australia
Sector: Australian Technology
Industry: Australian Software—Application

621. Clean Power Hydrogen Plc

Company Profile: Clean Power Hydrogen Plc
Stock: CPH2 wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

622. Northcoders Group PLC

Company Profile: Northcoders Group PLC
Stock: CODE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Education & Training Services

623. Cambridge Nutritional Sciences PLC

Company Profile: Cambridge Nutritional Sciences PLC
Stock: CNSL wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

624. Chapel Down Group Plc

Company Profile: Chapel Down Group Plc
Stock: CDGP wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Wineries & Distilleries

625. BiVictriX Therapeutics Plc

Company Profile: BiVictriX Therapeutics Plc
Stock: BVX wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

626. Fiinu Plc

Company Profile: Fiinu Plc
Stock: BANK wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Credit Services

627. ATOME Energy PLC

Company Profile: ATOME Energy PLC
Stock: ATOM wb_incandescent
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

628. Acuity RM Group PLC

Company Profile: Acuity RM Group PLC
Stock: ACRM wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

629. NIOX Group Plc

Company Profile: NIOX Group Plc
Stock: NIOX wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

630. Kinovo plc

Company Profile: Kinovo plc
Stock: KINO wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

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