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Top FTSE AIM All-Share Companies by Market Cap and Stocks in 2025

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 July 1, 2025

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Ranking Company Stock Market Cap (USD) Country Sector Industry
601 Northcoders Group PLC CODE wb_incandescent United Kingdom UK Consumer Staples UK Education & Training Services
602 Cambridge Nutritional Sciences PLC CNSL wb_incandescent United Kingdom UK Healthcare UK Medical Instruments & Supplies
603 Chapel Down Group Plc CDGP wb_incandescent United Kingdom UK Consumer Staples UK Beverages—Wineries & Distilleries
604 BiVictriX Therapeutics Plc BVX wb_incandescent United Kingdom UK Healthcare UK Biotechnology
605 Fiinu Plc BANK wb_incandescent United Kingdom UK Financials UK Credit Services
606 ATOME Energy PLC ATOM wb_incandescent United Kingdom UK Utilities UK Utilities—Renewable
607 Acuity RM Group PLC ACRM wb_incandescent United Kingdom UK Financials UK Asset Management
608 NIOX Group Plc NIOX wb_incandescent United Kingdom UK Healthcare UK Medical Devices
609 Kinovo plc KINO wb_incandescent United Kingdom UK Industrials UK Engineering & Construction
610 Alpha Group International plc ALPH wb_incandescent United Kingdom UK Financials UK Capital Markets
611 Celebrus Technologies plc CLBS wb_incandescent United Kingdom UK Technology UK Software—Application
612 Weiss Korea Opportunity Fund Ltd WKOF wb_incandescent United States US Financials US Asset Management
613 Metals One PLC MET1 wb_incandescent United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
614 Ashtead Technology Holdings Plc AT. wb_incandescent United Kingdom UK Energy UK Oil & Gas Equipment & Services
615 Shuka Minerals PLC SKA wb_incandescent United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
616 Atlantic Lithium Limited ALL wb_incandescent Australia Australian Basic Materials Australian Other Industrial Metals & Mining
617 Bradda Head Holdings Limited BHL wb_incandescent United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
618 Aptamer Group plc APTA wb_incandescent United Kingdom UK Healthcare UK Biotechnology
619 Quadrise Plc QED wb_incandescent United Kingdom UK Energy UK Oil & Gas Integrated
620 Bens Creek Group Plc BEN wb_incandescent United Kingdom UK Basic Materials UK Coking Coal
621 Gelion plc GELN wb_incandescent United Kingdom UK Industrials UK Electrical Equipment & Parts
622 Software Circle plc SFT wb_incandescent United Kingdom UK Industrials UK Specialty Business Services
623 Sondrel SND wb_incandescent United Kingdom UK Technology UK Semiconductors
624 4GLOBAL plc 4GBL wb_incandescent United Kingdom UK Technology UK Software—Application
625 Tungsten West PLC TUN wb_incandescent United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
626 Roadside Real Estate plc ROAD wb_incandescent United Kingdom UK Real Estate UK Real Estate—Development
627 AdvancedAdvT Ltd ADVT wb_incandescent United Kingdom UK Financials UK Shell Companies
628 Microlise Group plc SAAS wb_incandescent United Kingdom UK Technology UK Software—Application
629 Orcadian Energy Plc ORCA wb_incandescent United Kingdom UK Energy UK Oil & Gas E&P
630 Poolbeg Pharma PLC POLB wb_incandescent United Kingdom UK Healthcare UK Biotechnology

Top FTSE AIM All-Share Companies Ranking by Market Cap as of July 1, 2025

601. Northcoders Group PLC

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

602. 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

603. 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

604. BiVictriX Therapeutics Plc

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

605. Fiinu Plc

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

606. ATOME Energy PLC

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

607. Acuity RM Group PLC

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

608. NIOX Group Plc

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

609. Kinovo plc

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

610. Alpha Group International plc

Company Profile: Alpha Group International plc
Stock: ALPH wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

611. Celebrus Technologies plc

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

612. Weiss Korea Opportunity Fund Ltd

Company Profile: Weiss Korea Opportunity Fund Ltd
Stock: WKOF wb_incandescent
Country: United States
Sector: US Financials
Industry: US Asset Management

613. Metals One PLC

Company Profile: Metals One PLC
Stock: MET1 wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

614. Ashtead Technology Holdings Plc

Company Profile: Ashtead Technology Holdings Plc
Stock: AT. wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

615. Shuka Minerals PLC

Company Profile: Shuka Minerals PLC
Stock: SKA wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

616. Atlantic Lithium Limited

Company Profile: Atlantic Lithium Limited
Stock: ALL wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Industrial Metals & Mining

617. Bradda Head Holdings Limited

Company Profile: Bradda Head Holdings Limited
Stock: BHL wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

618. Aptamer Group plc

Company Profile: Aptamer Group plc
Stock: APTA wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

619. Quadrise Plc

Company Profile: Quadrise Plc
Stock: QED wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Integrated

620. Bens Creek Group Plc

Company Profile: Bens Creek Group Plc
Stock: BEN wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Coking Coal

621. Gelion plc

Company Profile: Gelion plc
Stock: GELN wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

622. Software Circle plc

Company Profile: Software Circle plc
Stock: SFT wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

623. Sondrel

Company Profile: Sondrel
Stock: SND wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductors

624. 4GLOBAL plc

Company Profile: 4GLOBAL plc
Stock: 4GBL wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

625. Tungsten West PLC

Company Profile: Tungsten West PLC
Stock: TUN wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

626. 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

627. AdvancedAdvT Ltd

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

628. Microlise Group plc

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

629. Orcadian Energy Plc

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

630. Poolbeg Pharma PLC

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

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