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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.

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

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Ranking Company Stock Market Cap (USD) Country Sector Industry
511 Harvest Minerals Limited HMI wb_incandescent $2.1 M Australia Australian Basic Materials Australian Agricultural Inputs
512 Conroy Gold and Natural Resources plc CGNR wb_incandescent $2.0 M Ireland Irish Basic Materials Irish Gold
513 Argo Group Limited ARGO wb_incandescent $2.0 M Cyprus Cyprus Financials Cyprus Asset Management
514 Deltex Medical Group plc DEMG wb_incandescent $1.9 M United Kingdom UK Healthcare UK Medical Devices
515 Jaywing plc JWNG wb_incandescent $1.9 M United Kingdom UK Communication Services UK Advertising Agencies
516 ADM Energy plc ADME wb_incandescent $1.9 M United Kingdom UK Energy UK Oil & Gas E&P
517 Dillistone Group plc DSG wb_incandescent $1.9 M United Kingdom UK Technology UK Software—Application
518 United Oil & Gas plc UOG wb_incandescent $1.8 M United Kingdom UK Energy UK Oil & Gas E&P
519 CloudCoCo Group plc CLCO wb_incandescent $1.8 M United Kingdom UK Technology UK Software—Infrastructure
520 Karelian Diamond Resources plc KDR wb_incandescent $1.8 M Ireland Irish Basic Materials Irish Other Precious Metals & Mining
521 Arkle Resources plc ARK wb_incandescent $1.8 M Ireland Irish Basic Materials Irish Other Industrial Metals & Mining
522 MediaZest plc MDZ wb_incandescent $1.7 M United Kingdom UK Communication Services UK Advertising Agencies
523 RBG Holdings plc RBGP wb_incandescent $1.7 M United Kingdom UK Industrials UK Specialty Business Services
524 Vela Technologies plc VELA wb_incandescent $1.7 M United Kingdom UK Financials UK Asset Management
525 Enteq Upstream plc NTQ wb_incandescent $1.6 M United Kingdom UK Energy UK Oil & Gas Equipment & Services
526 Ovoca Bio plc OVB wb_incandescent $1.6 M Ireland Irish Healthcare Irish Biotechnology
527 Sunrise Resources plc SRES wb_incandescent $1.6 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
528 Lansdowne Oil & Gas plc LOGP wb_incandescent $1.5 M Ireland Irish Energy Irish Oil & Gas E&P
529 Spectra Systems Corporation SPSY wb_incandescent $1.5 M United States US Technology US Software—Application
530 Versarien plc VRS wb_incandescent $1.5 M United Kingdom UK Basic Materials UK Specialty Chemicals
531 Westmount Energy Limited WTE wb_incandescent $1.4 M United Kingdom UK Energy UK Oil & Gas E&P
532 Kibo Energy plc KIBO wb_incandescent $1.3 M Ireland Irish Energy Irish Thermal Coal
533 Gunsynd plc GUN wb_incandescent $1.3 M United Kingdom UK Energy UK Oil & Gas E&P
534 Catenae Innovation plc CTAI wb_incandescent $1.3 M United Kingdom UK Technology UK Software—Infrastructure
535 i-nexus Global plc INX wb_incandescent $1.3 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Software—Application
536 Wishbone Gold plc WSBN wb_incandescent $1.2 M Gibraltar Gibraltar Basic Materials Gibraltar Gold
537 PipeHawk plc PIP wb_incandescent $1.2 M United Kingdom UK Technology UK Scientific & Technical Instruments
538 QUIZ plc QUIZ wb_incandescent $1.1 M United Kingdom UK Consumer Discretionary UK Apparel Retail
539 Katoro Gold plc KAT wb_incandescent $1.1 M United Kingdom UK Basic Materials UK Gold
540 SDX Energy plc SDX wb_incandescent $770,143 United Kingdom UK Energy UK Oil & Gas E&P

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

511. Harvest Minerals Limited

Company Profile: Harvest Minerals Limited
Market Cap (USD): $2.1 M
Stock: HMI wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Agricultural Inputs

512. Conroy Gold and Natural Resources plc

Company Profile: Conroy Gold and Natural Resources plc
Market Cap (USD): $2.0 M
Stock: CGNR wb_incandescent
Country: Ireland
Sector: Irish Basic Materials
Industry: Irish Gold

513. Argo Group Limited

Company Profile: Argo Group Limited
Market Cap (USD): $2.0 M
Stock: ARGO wb_incandescent
Country: Cyprus
Sector: Cyprus Financials
Industry: Cyprus Asset Management

514. Deltex Medical Group plc

Company Profile: Deltex Medical Group plc
Market Cap (USD): $1.9 M
Stock: DEMG wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

515. Jaywing plc

Company Profile: Jaywing plc
Market Cap (USD): $1.9 M
Stock: JWNG wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

516. ADM Energy plc

Company Profile: ADM Energy plc
Market Cap (USD): $1.9 M
Stock: ADME wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

517. Dillistone Group plc

Company Profile: Dillistone Group plc
Market Cap (USD): $1.9 M
Stock: DSG wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

518. United Oil & Gas plc

Company Profile: United Oil & Gas plc
Market Cap (USD): $1.8 M
Stock: UOG wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

519. CloudCoCo Group plc

Company Profile: CloudCoCo Group plc
Market Cap (USD): $1.8 M
Stock: CLCO wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

520. Karelian Diamond Resources plc

Company Profile: Karelian Diamond Resources plc
Market Cap (USD): $1.8 M
Stock: KDR wb_incandescent
Country: Ireland
Sector: Irish Basic Materials
Industry: Irish Other Precious Metals & Mining

521. Arkle Resources plc

Company Profile: Arkle Resources plc
Market Cap (USD): $1.8 M
Stock: ARK wb_incandescent
Country: Ireland
Sector: Irish Basic Materials
Industry: Irish Other Industrial Metals & Mining

522. MediaZest plc

Company Profile: MediaZest plc
Market Cap (USD): $1.7 M
Stock: MDZ wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

523. RBG Holdings plc

Company Profile: RBG Holdings plc
Market Cap (USD): $1.7 M
Stock: RBGP wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

524. Vela Technologies plc

Company Profile: Vela Technologies plc
Market Cap (USD): $1.7 M
Stock: VELA wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

525. Enteq Upstream plc

Company Profile: Enteq Upstream plc
Market Cap (USD): $1.6 M
Stock: NTQ wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

526. Ovoca Bio plc

Company Profile: Ovoca Bio plc
Market Cap (USD): $1.6 M
Stock: OVB wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Biotechnology

527. Sunrise Resources plc

Company Profile: Sunrise Resources plc
Market Cap (USD): $1.6 M
Stock: SRES wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

528. Lansdowne Oil & Gas plc

Company Profile: Lansdowne Oil & Gas plc
Market Cap (USD): $1.5 M
Stock: LOGP wb_incandescent
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

529. Spectra Systems Corporation

Company Profile: Spectra Systems Corporation
Market Cap (USD): $1.5 M
Stock: SPSY wb_incandescent
Country: United States
Sector: US Technology
Industry: US Software—Application

530. Versarien plc

Company Profile: Versarien plc
Market Cap (USD): $1.5 M
Stock: VRS wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

531. Westmount Energy Limited

Company Profile: Westmount Energy Limited
Market Cap (USD): $1.4 M
Stock: WTE wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

532. Kibo Energy plc

Company Profile: Kibo Energy plc
Market Cap (USD): $1.3 M
Stock: KIBO wb_incandescent
Country: Ireland
Sector: Irish Energy
Industry: Irish Thermal Coal

533. Gunsynd plc

Company Profile: Gunsynd plc
Market Cap (USD): $1.3 M
Stock: GUN wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

534. Catenae Innovation plc

Company Profile: Catenae Innovation plc
Market Cap (USD): $1.3 M
Stock: CTAI wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

535. i-nexus Global plc

Company Profile: i-nexus Global plc
Market Cap (USD): $1.3 M (Jan. 1, 2024)
Stock: INX wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

536. Wishbone Gold plc

Company Profile: Wishbone Gold plc
Market Cap (USD): $1.2 M
Stock: WSBN wb_incandescent
Country: Gibraltar
Sector: Gibraltar Basic Materials
Industry: Gibraltar Gold

537. PipeHawk plc

Company Profile: PipeHawk plc
Market Cap (USD): $1.2 M
Stock: PIP wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

538. QUIZ plc

Company Profile: QUIZ plc
Market Cap (USD): $1.1 M
Stock: QUIZ wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Apparel Retail

539. Katoro Gold plc

Company Profile: Katoro Gold plc
Market Cap (USD): $1.1 M
Stock: KAT wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

540. SDX Energy plc

Company Profile: SDX Energy plc
Market Cap (USD): $770,143
Stock: SDX wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

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