^FTAI

FTSE AIM All-Share
Components

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

Download Excel

Ranking Company Stock Market Cap (USD) Country Sector Industry
421 Surgical Innovations Group plc SUN wb_incandescent $9.0 M United Kingdom UK Healthcare UK Medical Devices
422 Hardide plc HDD wb_incandescent $8.9 M United Kingdom UK Basic Materials UK Specialty Chemicals
423 Mobile Tornado Group plc MBT wb_incandescent $8.8 M United Kingdom UK Communication Services UK Telecom Services
424 Feedback plc FDBK wb_incandescent $8.7 M United Kingdom UK Healthcare UK Health Information Services
425 musicMagpie plc MMAG wb_incandescent $8.7 M

(July 1, 2024)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
426 Deltic Energy plc DELT wb_incandescent $8.7 M United Kingdom UK Energy UK Oil & Gas E&P
427 Beowulf Mining plc BEM wb_incandescent $8.6 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
428 MYCELX Technologies Corporation MYX wb_incandescent $8.5 M United States US Industrials US Pollution & Treatment Controls
429 Armadale Capital plc ACP wb_incandescent $8.4 M

(Jan. 1, 2024)

 United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
430 Mosman Oil and Gas Limited MSMN wb_incandescent $8.4 M Australia Australian Energy Australian Oil & Gas E&P
431 Reabold Resources plc RBD wb_incandescent $8.2 M United Kingdom UK Energy UK Oil & Gas E&P
432 Proton Motor Power Systems plc PPS wb_incandescent $8.1 M

(Jan. 1, 2025)

 United Kingdom UK Industrials UK Electrical Equipment & Parts
433 Bezant Resources plc BZT wb_incandescent $7.9 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
434 ADVFN plc AFN wb_incandescent $7.6 M

(Jan. 1, 2025)

 United Kingdom UK Financials UK Capital Markets
435 Aukett Swanke Group plc AUK wb_incandescent $7.5 M United Kingdom UK Industrials UK Engineering & Construction
436 MyHealthChecked plc MHC wb_incandescent $7.3 M United Kingdom UK Healthcare UK Medical Devices
437 Autins Group plc AUTG wb_incandescent $7.1 M United Kingdom UK Consumer Discretionary UK Auto Parts
438 WH Ireland Group plc WHI wb_incandescent $7.0 M United Kingdom UK Financials UK Capital Markets
439 Oxford BioDynamics plc OBD wb_incandescent $7.0 M United Kingdom UK Healthcare UK Biotechnology
440 Europa Oil & Gas (Holdings) plc EOG wb_incandescent $6.9 M United Kingdom UK Energy UK Oil & Gas E&P
441 Petards Group plc PEG wb_incandescent $6.9 M United Kingdom UK Industrials UK Security & Protection Services
442 Bluejay Mining plc JAY wb_incandescent $6.8 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
443 SEEEN plc SEEN wb_incandescent $6.7 M United Kingdom UK Technology UK Software—Application
444 Zytronic plc ZYT wb_incandescent $6.7 M

(Jan. 1, 2025)

 United Kingdom UK Technology UK Electronic Components
445 Aferian Plc AFRN wb_incandescent $6.6 M United Kingdom UK Communication Services UK Broadcasting
446 Thor Mining plc THR wb_incandescent $6.6 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
447 ECR Minerals plc ECR wb_incandescent $6.4 M United Kingdom UK Basic Materials UK Gold
448 Cadence Minerals plc KDNC wb_incandescent $6.4 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
449 Aeorema Communications plc AEO wb_incandescent $6.3 M United Kingdom UK Communication Services UK Entertainment
450 Comptoir Group plc COM wb_incandescent $6.3 M United Kingdom UK Consumer Discretionary UK Restaurants

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

421. Surgical Innovations Group plc

Company Profile: Surgical Innovations Group plc
Market Cap (USD): $9.0 M
Stock: SUN wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

422. Hardide plc

Company Profile: Hardide plc
Market Cap (USD): $8.9 M
Stock: HDD wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

423. Mobile Tornado Group plc

Company Profile: Mobile Tornado Group plc
Market Cap (USD): $8.8 M
Stock: MBT wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

424. Feedback plc

Company Profile: Feedback plc
Market Cap (USD): $8.7 M
Stock: FDBK wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

425. musicMagpie plc

Company Profile: musicMagpie plc
Market Cap (USD): $8.7 M (July 1, 2024)
Stock: MMAG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

426. Deltic Energy plc

Company Profile: Deltic Energy plc
Market Cap (USD): $8.7 M
Stock: DELT wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

427. Beowulf Mining plc

Company Profile: Beowulf Mining plc
Market Cap (USD): $8.6 M
Stock: BEM wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

428. MYCELX Technologies Corporation

Company Profile: MYCELX Technologies Corporation
Market Cap (USD): $8.5 M
Stock: MYX wb_incandescent
Country: United States
Sector: US Industrials
Industry: US Pollution & Treatment Controls

429. Armadale Capital plc

Company Profile: Armadale Capital plc
Market Cap (USD): $8.4 M (Jan. 1, 2024)
Stock: ACP wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

430. Mosman Oil and Gas Limited

Company Profile: Mosman Oil and Gas Limited
Market Cap (USD): $8.4 M
Stock: MSMN wb_incandescent
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

431. Reabold Resources plc

Company Profile: Reabold Resources plc
Market Cap (USD): $8.2 M
Stock: RBD wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

432. Proton Motor Power Systems plc

Company Profile: Proton Motor Power Systems plc
Market Cap (USD): $8.1 M (Jan. 1, 2025)
Stock: PPS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

433. Bezant Resources plc

Company Profile: Bezant Resources plc
Market Cap (USD): $7.9 M
Stock: BZT wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

434. ADVFN plc

Company Profile: ADVFN plc
Market Cap (USD): $7.6 M (Jan. 1, 2025)
Stock: AFN wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

435. Aukett Swanke Group plc

Company Profile: Aukett Swanke Group plc
Market Cap (USD): $7.5 M
Stock: AUK wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

436. MyHealthChecked plc

Company Profile: MyHealthChecked plc
Market Cap (USD): $7.3 M
Stock: MHC wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

437. Autins Group plc

Company Profile: Autins Group plc
Market Cap (USD): $7.1 M
Stock: AUTG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Auto Parts

438. WH Ireland Group plc

Company Profile: WH Ireland Group plc
Market Cap (USD): $7.0 M
Stock: WHI wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

439. Oxford BioDynamics plc

Company Profile: Oxford BioDynamics plc
Market Cap (USD): $7.0 M
Stock: OBD wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

440. Europa Oil & Gas (Holdings) plc

Company Profile: Europa Oil & Gas (Holdings) plc
Market Cap (USD): $6.9 M
Stock: EOG wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

441. Petards Group plc

Company Profile: Petards Group plc
Market Cap (USD): $6.9 M
Stock: PEG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Security & Protection Services

442. Bluejay Mining plc

Company Profile: Bluejay Mining plc
Market Cap (USD): $6.8 M
Stock: JAY wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

443. SEEEN plc

Company Profile: SEEEN plc
Market Cap (USD): $6.7 M
Stock: SEEN wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

444. Zytronic plc

Company Profile: Zytronic plc
Market Cap (USD): $6.7 M (Jan. 1, 2025)
Stock: ZYT wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

445. Aferian Plc

Company Profile: Aferian Plc
Market Cap (USD): $6.6 M
Stock: AFRN wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Broadcasting

446. Thor Mining plc

Company Profile: Thor Mining plc
Market Cap (USD): $6.6 M
Stock: THR wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

447. ECR Minerals plc

Company Profile: ECR Minerals plc
Market Cap (USD): $6.4 M
Stock: ECR wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

448. Cadence Minerals plc

Company Profile: Cadence Minerals plc
Market Cap (USD): $6.4 M
Stock: KDNC wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

449. Aeorema Communications plc

Company Profile: Aeorema Communications plc
Market Cap (USD): $6.3 M
Stock: AEO wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

450. Comptoir Group plc

Company Profile: Comptoir Group plc
Market Cap (USD): $6.3 M
Stock: COM wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

Stay in touch