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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
391 Tasty plc TAST $13.0 M United Kingdom UK Consumer Discretionary UK Restaurants
392 Tandem Group plc TND $12.9 M United Kingdom UK Consumer Discretionary UK Leisure
393 Pennant International Group plc PEN $12.8 M United Kingdom UK Technology UK Software—Application
394 essensys plc ESYS $12.6 M United Kingdom UK Technology UK Software—Application
395 Tower Resources plc TRP $12.6 M United Kingdom UK Energy UK Oil & Gas E&P
396 Velocity Composites plc VEL $12.1 M United Kingdom UK Industrials UK Aerospace & Defense
397 genedrive plc GDR $12.1 M United Kingdom UK Healthcare UK Diagnostics & Research
398 WH Ireland Group plc WHI $11.9 M United Kingdom UK Financials UK Capital Markets
399 ECR Minerals plc ECR $11.8 M United Kingdom UK Basic Materials UK Gold
400 The Brighton Pier Group plc PIER $11.7 M

(Jan. 1, 2025)

 United Kingdom UK Consumer Discretionary UK Restaurants
401 Arc Minerals Limited ARCM $11.7 M Virgin Islands (British) Virgin Islands (British) Basic Materials Virgin Islands (British) Other Industrial Metals & Mining
402 Galantas Gold Corporation GAL $11.6 M Canada Canadian Basic Materials Canadian Gold
403 Rua Life Sciences plc RUA $11.5 M United Kingdom UK Healthcare UK Medical Devices
404 Synairgen plc SNG $11.5 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Biotechnology
405 AIREA plc AIEA $11.4 M United Kingdom UK Consumer Discretionary UK Textile Manufacturing
406 Cornerstone FS plc CSFS $11.3 M United Kingdom UK Technology UK Information Technology Services
407 Proteome Sciences plc PRM $11.3 M United Kingdom UK Healthcare UK Diagnostics & Research
408 One Media iP Group plc OMIP $11.2 M United Kingdom UK Communication Services UK Entertainment
409 Litigation Capital Management Limited LIT $11.0 M Australia Australian Financials Australian Credit Services
410 Conroy Gold and Natural Resources plc CGNR $10.6 M Ireland Irish Basic Materials Irish Gold
411 Destiny Pharma plc DEST $10.3 M

(July 1, 2024)

 United Kingdom UK Healthcare UK Biotechnology
412 Block Energy plc BLOE $10.2 M United Kingdom UK Energy UK Oil & Gas E&P
413 Induction Healthcare Group plc INHC $10.2 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Health Information Services
414 Comptoir Group plc COM $10.1 M United Kingdom UK Consumer Discretionary UK Restaurants
415 Global Petroleum Limited GBP $9.8 M

(Jan. 1, 2025)

 Australia Australian Energy Australian Oil & Gas E&P
416 Futura Medical plc FUM $9.8 M United Kingdom UK Healthcare UK Biotechnology
417 Coral Products plc CRU $9.7 M United Kingdom UK Consumer Discretionary UK Packaging & Containers
418 Beowulf Mining plc BEM $9.6 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
419 Phoenix Copper Limited PXC $9.6 M Virgin Islands (British) Virgin Islands (British) Basic Materials Virgin Islands (British) Copper
420 Aukett Swanke Group plc AUK $9.6 M United Kingdom UK Industrials UK Engineering & Construction

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

391. Tasty plc

Company Profile: Tasty plc
Market Cap (USD): $13.0 M
Stock: TAST wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

392. Tandem Group plc

Company Profile: Tandem Group plc
Market Cap (USD): $12.9 M
Stock: TND wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Leisure

393. Pennant International Group plc

Company Profile: Pennant International Group plc
Market Cap (USD): $12.8 M
Stock: PEN wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

394. essensys plc

Company Profile: essensys plc
Market Cap (USD): $12.6 M
Stock: ESYS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

395. Tower Resources plc

Company Profile: Tower Resources plc
Market Cap (USD): $12.6 M
Stock: TRP wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

396. Velocity Composites plc

Company Profile: Velocity Composites plc
Market Cap (USD): $12.1 M
Stock: VEL wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

397. genedrive plc

Company Profile: genedrive plc
Market Cap (USD): $12.1 M
Stock: GDR wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

398. WH Ireland Group plc

Company Profile: WH Ireland Group plc
Market Cap (USD): $11.9 M
Stock: WHI wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

399. ECR Minerals plc

Company Profile: ECR Minerals plc
Market Cap (USD): $11.8 M
Stock: ECR wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

400. The Brighton Pier Group plc

Company Profile: The Brighton Pier Group plc
Market Cap (USD): $11.7 M (Jan. 1, 2025)
Stock: PIER wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

401. Arc Minerals Limited

Company Profile: Arc Minerals Limited
Market Cap (USD): $11.7 M
Stock: ARCM wb_incandescent
Country: Virgin Islands (British)
Sector: Virgin Islands (British) Basic Materials
Industry: Virgin Islands (British) Other Industrial Metals & Mining

402. Galantas Gold Corporation

Company Profile: Galantas Gold Corporation
Market Cap (USD): $11.6 M
Stock: GAL wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Gold

403. Rua Life Sciences plc

Company Profile: Rua Life Sciences plc
Market Cap (USD): $11.5 M
Stock: RUA wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

404. Synairgen plc

Company Profile: Synairgen plc
Market Cap (USD): $11.5 M (Jan. 1, 2025)
Stock: SNG wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

405. AIREA plc

Company Profile: AIREA plc
Market Cap (USD): $11.4 M
Stock: AIEA wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Textile Manufacturing

406. Cornerstone FS plc

Company Profile: Cornerstone FS plc
Market Cap (USD): $11.3 M
Stock: CSFS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

407. Proteome Sciences plc

Company Profile: Proteome Sciences plc
Market Cap (USD): $11.3 M
Stock: PRM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

408. One Media iP Group plc

Company Profile: One Media iP Group plc
Market Cap (USD): $11.2 M
Stock: OMIP wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Entertainment

409. Litigation Capital Management Limited

Company Profile: Litigation Capital Management Limited
Market Cap (USD): $11.0 M
Stock: LIT wb_incandescent
Country: Australia
Sector: Australian Financials
Industry: Australian Credit Services

410. Conroy Gold and Natural Resources plc

Company Profile: Conroy Gold and Natural Resources plc
Market Cap (USD): $10.6 M
Stock: CGNR wb_incandescent
Country: Ireland
Sector: Irish Basic Materials
Industry: Irish Gold

411. Destiny Pharma plc

Company Profile: Destiny Pharma plc
Market Cap (USD): $10.3 M (July 1, 2024)
Stock: DEST wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

412. Block Energy plc

Company Profile: Block Energy plc
Market Cap (USD): $10.2 M
Stock: BLOE wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

413. Induction Healthcare Group plc

Company Profile: Induction Healthcare Group plc
Market Cap (USD): $10.2 M (Jan. 1, 2025)
Stock: INHC wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

414. Comptoir Group plc

Company Profile: Comptoir Group plc
Market Cap (USD): $10.1 M
Stock: COM wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

415. Global Petroleum Limited

Company Profile: Global Petroleum Limited
Market Cap (USD): $9.8 M (Jan. 1, 2025)
Stock: GBP wb_incandescent
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

416. Futura Medical plc

Company Profile: Futura Medical plc
Market Cap (USD): $9.8 M
Stock: FUM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

417. Coral Products plc

Company Profile: Coral Products plc
Market Cap (USD): $9.7 M
Stock: CRU wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Packaging & Containers

418. Beowulf Mining plc

Company Profile: Beowulf Mining plc
Market Cap (USD): $9.6 M
Stock: BEM wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

419. Phoenix Copper Limited

Company Profile: Phoenix Copper Limited
Market Cap (USD): $9.6 M
Stock: PXC wb_incandescent
Country: Virgin Islands (British)
Sector: Virgin Islands (British) Basic Materials
Industry: Virgin Islands (British) Copper

420. Aukett Swanke Group plc

Company Profile: Aukett Swanke Group plc
Market Cap (USD): $9.6 M
Stock: AUK wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

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