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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
391 IXICO plc IXI wb_incandescent $12.4 M United Kingdom UK Healthcare UK Biotechnology
392 Mineral & Financial Investments Limited MAFL wb_incandescent $12.4 M Cayman Islands Cayman Islands Financials Cayman Islands Asset Management
393 Proteome Sciences plc PRM wb_incandescent $12.3 M United Kingdom UK Healthcare UK Diagnostics & Research
394 Northamber plc NAR wb_incandescent $11.9 M United Kingdom UK Technology UK Electronics & Computer Distribution
395 The Brighton Pier Group plc PIER wb_incandescent $11.7 M

(Jan. 1, 2025)

 United Kingdom UK Consumer Discretionary UK Restaurants
396 Premier African Minerals Limited PREM wb_incandescent $11.6 M Virgin Islands (British) Virgin Islands (British) Basic Materials Virgin Islands (British) Other Industrial Metals & Mining
397 Oriole Resources plc ORR wb_incandescent $11.6 M United Kingdom UK Basic Materials UK Gold
398 Synairgen plc SNG wb_incandescent $11.5 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Biotechnology
399 Alien Metals Limited UFO wb_incandescent $11.3 M United Kingdom UK Basic Materials UK Other Precious Metals & Mining
400 Jarvis Securities plc JIM wb_incandescent $11.1 M United Kingdom UK Financials UK Capital Markets
401 Tekmar Group plc TGP wb_incandescent $11.0 M United Kingdom UK Industrials UK Engineering & Construction
402 Dianomi plc DNM wb_incandescent $10.9 M United Kingdom UK Communication Services UK Advertising Agencies
403 Xeros Technology Group plc XSG wb_incandescent $10.7 M United Kingdom UK Industrials UK Specialty Industrial Machinery
404 genedrive plc GDR wb_incandescent $10.6 M United Kingdom UK Healthcare UK Diagnostics & Research
405 Newmark Security plc NWT wb_incandescent $10.3 M United Kingdom UK Industrials UK Security & Protection Services
406 Destiny Pharma plc DEST wb_incandescent $10.3 M

(July 1, 2024)

 United Kingdom UK Healthcare UK Biotechnology
407 Rua Life Sciences plc RUA wb_incandescent $10.2 M United Kingdom UK Healthcare UK Medical Devices
408 Induction Healthcare Group plc INHC wb_incandescent $10.2 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Health Information Services
409 Touchstar plc TST wb_incandescent $10.2 M United Kingdom UK Technology UK Computer Hardware
410 Blue Star Capital plc BLU wb_incandescent $10.2 M United Kingdom UK Financials UK Asset Management
411 Tern plc TERN wb_incandescent $10.1 M United Kingdom UK Technology UK Software—Application
412 Ironveld plc IRON wb_incandescent $10.1 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
413 Block Energy plc BLOE wb_incandescent $10.1 M United Kingdom UK Energy UK Oil & Gas E&P
414 Fusion Antibodies plc FAB wb_incandescent $10.1 M United Kingdom UK Healthcare UK Biotechnology
415 Artemis Resources Limited ARV wb_incandescent $10.1 M Australia Australian Basic Materials Australian Other Industrial Metals & Mining
416 Strategic Minerals plc SML wb_incandescent $10.0 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
417 Global Petroleum Limited GBP wb_incandescent $9.8 M

(Jan. 1, 2025)

 Australia Australian Energy Australian Oil & Gas E&P
418 LPA Group plc LPA wb_incandescent $9.7 M United Kingdom UK Industrials UK Electrical Equipment & Parts
419 Coral Products plc CRU wb_incandescent $9.5 M United Kingdom UK Consumer Discretionary UK Packaging & Containers
420 Xtract Resources plc XTR wb_incandescent $9.1 M United Kingdom UK Basic Materials UK Gold

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

391. IXICO plc

Company Profile: IXICO plc
Market Cap (USD): $12.4 M
Stock: IXI wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

392. Mineral & Financial Investments Limited

Company Profile: Mineral & Financial Investments Limited
Market Cap (USD): $12.4 M
Stock: MAFL wb_incandescent
Country: Cayman Islands
Sector: Cayman Islands Financials
Industry: Cayman Islands Asset Management

393. Proteome Sciences plc

Company Profile: Proteome Sciences plc
Market Cap (USD): $12.3 M
Stock: PRM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

394. Northamber plc

Company Profile: Northamber plc
Market Cap (USD): $11.9 M
Stock: NAR wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

395. 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

396. Premier African Minerals Limited

Company Profile: Premier African Minerals Limited
Market Cap (USD): $11.6 M
Stock: PREM wb_incandescent
Country: Virgin Islands (British)
Sector: Virgin Islands (British) Basic Materials
Industry: Virgin Islands (British) Other Industrial Metals & Mining

397. Oriole Resources plc

Company Profile: Oriole Resources plc
Market Cap (USD): $11.6 M
Stock: ORR wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

398. 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

399. Alien Metals Limited

Company Profile: Alien Metals Limited
Market Cap (USD): $11.3 M
Stock: UFO wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Precious Metals & Mining

400. Jarvis Securities plc

Company Profile: Jarvis Securities plc
Market Cap (USD): $11.1 M
Stock: JIM wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

401. Tekmar Group plc

Company Profile: Tekmar Group plc
Market Cap (USD): $11.0 M
Stock: TGP wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

402. Dianomi plc

Company Profile: Dianomi plc
Market Cap (USD): $10.9 M
Stock: DNM wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

403. Xeros Technology Group plc

Company Profile: Xeros Technology Group plc
Market Cap (USD): $10.7 M
Stock: XSG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

404. genedrive plc

Company Profile: genedrive plc
Market Cap (USD): $10.6 M
Stock: GDR wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

405. Newmark Security plc

Company Profile: Newmark Security plc
Market Cap (USD): $10.3 M
Stock: NWT wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Security & Protection Services

406. 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

407. Rua Life Sciences plc

Company Profile: Rua Life Sciences plc
Market Cap (USD): $10.2 M
Stock: RUA wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

408. 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

409. Touchstar plc

Company Profile: Touchstar plc
Market Cap (USD): $10.2 M
Stock: TST wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Computer Hardware

410. Blue Star Capital plc

Company Profile: Blue Star Capital plc
Market Cap (USD): $10.2 M
Stock: BLU wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

411. Tern plc

Company Profile: Tern plc
Market Cap (USD): $10.1 M
Stock: TERN wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

412. Ironveld plc

Company Profile: Ironveld plc
Market Cap (USD): $10.1 M
Stock: IRON wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

413. Block Energy plc

Company Profile: Block Energy plc
Market Cap (USD): $10.1 M
Stock: BLOE wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

414. Fusion Antibodies plc

Company Profile: Fusion Antibodies plc
Market Cap (USD): $10.1 M
Stock: FAB wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

415. Artemis Resources Limited

Company Profile: Artemis Resources Limited
Market Cap (USD): $10.1 M
Stock: ARV wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Industrial Metals & Mining

416. Strategic Minerals plc

Company Profile: Strategic Minerals plc
Market Cap (USD): $10.0 M
Stock: SML wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

417. 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

418. LPA Group plc

Company Profile: LPA Group plc
Market Cap (USD): $9.7 M
Stock: LPA wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

419. Coral Products plc

Company Profile: Coral Products plc
Market Cap (USD): $9.5 M
Stock: CRU wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Packaging & Containers

420. Xtract Resources plc

Company Profile: Xtract Resources plc
Market Cap (USD): $9.1 M
Stock: XTR wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

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