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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
271 Christie Group plc CTG wb_incandescent $38.8 M United Kingdom UK Industrials UK Specialty Business Services
272 Haydale Graphene Industries plc HAYD wb_incandescent $38.6 M United Kingdom UK Basic Materials UK Specialty Chemicals
273 88 Energy Limited 88E wb_incandescent $38.5 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
274 Plant Health Care plc PHC wb_incandescent $38.1 M

(July 1, 2024)

 United States US Basic Materials US Agricultural Inputs
275 Ariana Resources plc AAU wb_incandescent $37.4 M United Kingdom UK Basic Materials UK Gold
276 Sareum Holdings plc SAR wb_incandescent $37.3 M United Kingdom UK Healthcare UK Biotechnology
277 Vianet Group plc VNET wb_incandescent $37.2 M United Kingdom UK Industrials UK Specialty Business Services
278 Manx Financial Group plc MFX wb_incandescent $37.0 M United Kingdom UK Financials UK Banks—Regional
279 Maintel Holdings plc MAI wb_incandescent $36.9 M United Kingdom UK Technology UK Communication Equipment
280 M Winkworth plc WINK wb_incandescent $36.6 M United Kingdom UK Real Estate UK Real Estate Services
281 GetBusy plc GETB wb_incandescent $35.5 M United Kingdom UK Technology UK Software—Application
282 Litigation Capital Management Limited LIT wb_incandescent $35.0 M Australia Australian Financials Australian Credit Services
283 Hornby plc HRN wb_incandescent $34.6 M

(Jan. 1, 2024)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
284 XLMedia plc XLM wb_incandescent $34.2 M

(Jan. 1, 2025)

 Cyprus Cyprus Communication Services Cyprus Publishing
285 Emmerson plc EML wb_incandescent $33.8 M United Kingdom UK Basic Materials UK Agricultural Inputs
286 Orosur Mining Inc. OMI wb_incandescent $33.6 M Canada Canadian Basic Materials Canadian Gold
287 Gattaca plc GATC wb_incandescent $33.4 M United Kingdom UK Industrials UK Staffing & Employment Services
288 PowerHouse Energy Group plc PHE wb_incandescent $33.3 M United Kingdom UK Utilities UK Utilities—Renewable
289 Futura Medical plc FUM wb_incandescent $33.0 M United Kingdom UK Healthcare UK Biotechnology
290 Chariot Ltd. CHAR wb_incandescent $33.0 M United Kingdom UK Energy UK Oil & Gas E&P
291 Transense Technologies plc TRT wb_incandescent $33.0 M United Kingdom UK Consumer Discretionary UK Auto Parts
292 Renalytix AI plc RENX wb_incandescent $31.9 M United Kingdom UK Healthcare UK Diagnostics & Research
293 tinyBuild, Inc. TBLD wb_incandescent $31.8 M United States US Communication Services US Electronic Gaming & Multimedia
294 Various Eateries plc VARE wb_incandescent $31.6 M United Kingdom UK Consumer Discretionary UK Restaurants
295 Cornerstone FS plc CSFS wb_incandescent $31.6 M United Kingdom UK Technology UK Information Technology Services
296 First Property Group plc FPO wb_incandescent $31.0 M United Kingdom UK Real Estate UK Real Estate Services
297 The Mission Group plc TMG wb_incandescent $30.8 M United Kingdom UK Communication Services UK Advertising Agencies
298 Tlou Energy Limited TLOU wb_incandescent $30.5 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
299 Robinson plc RBN wb_incandescent $29.9 M United Kingdom UK Consumer Discretionary UK Packaging & Containers
300 ANGLE plc AGL wb_incandescent $29.7 M United Kingdom UK Healthcare UK Diagnostics & Research

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

271. Christie Group plc

Company Profile: Christie Group plc
Market Cap (USD): $38.8 M
Stock: CTG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

272. Haydale Graphene Industries plc

Company Profile: Haydale Graphene Industries plc
Market Cap (USD): $38.6 M
Stock: HAYD wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

273. 88 Energy Limited

Company Profile: 88 Energy Limited
Market Cap (USD): $38.5 M (July 1, 2024)
Stock: 88E wb_incandescent
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

274. Plant Health Care plc

Company Profile: Plant Health Care plc
Market Cap (USD): $38.1 M (July 1, 2024)
Stock: PHC wb_incandescent
Country: United States
Sector: US Basic Materials
Industry: US Agricultural Inputs

275. Ariana Resources plc

Company Profile: Ariana Resources plc
Market Cap (USD): $37.4 M
Stock: AAU wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

276. Sareum Holdings plc

Company Profile: Sareum Holdings plc
Market Cap (USD): $37.3 M
Stock: SAR wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

277. Vianet Group plc

Company Profile: Vianet Group plc
Market Cap (USD): $37.2 M
Stock: VNET wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

278. Manx Financial Group plc

Company Profile: Manx Financial Group plc
Market Cap (USD): $37.0 M
Stock: MFX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Regional

279. Maintel Holdings plc

Company Profile: Maintel Holdings plc
Market Cap (USD): $36.9 M
Stock: MAI wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

280. M Winkworth plc

Company Profile: M Winkworth plc
Market Cap (USD): $36.6 M
Stock: WINK wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

281. GetBusy plc

Company Profile: GetBusy plc
Market Cap (USD): $35.5 M
Stock: GETB wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

282. Litigation Capital Management Limited

Company Profile: Litigation Capital Management Limited
Market Cap (USD): $35.0 M
Stock: LIT wb_incandescent
Country: Australia
Sector: Australian Financials
Industry: Australian Credit Services

283. Hornby plc

Company Profile: Hornby plc
Market Cap (USD): $34.6 M (Jan. 1, 2024)
Stock: HRN wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

284. XLMedia plc

Company Profile: XLMedia plc
Market Cap (USD): $34.2 M (Jan. 1, 2025)
Stock: XLM wb_incandescent
Country: Cyprus
Sector: Cyprus Communication Services
Industry: Cyprus Publishing

285. Emmerson plc

Company Profile: Emmerson plc
Market Cap (USD): $33.8 M
Stock: EML wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Agricultural Inputs

286. Orosur Mining Inc.

Company Profile: Orosur Mining Inc.
Market Cap (USD): $33.6 M
Stock: OMI wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Gold

287. Gattaca plc

Company Profile: Gattaca plc
Market Cap (USD): $33.4 M
Stock: GATC wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

288. PowerHouse Energy Group plc

Company Profile: PowerHouse Energy Group plc
Market Cap (USD): $33.3 M
Stock: PHE wb_incandescent
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Renewable

289. Futura Medical plc

Company Profile: Futura Medical plc
Market Cap (USD): $33.0 M
Stock: FUM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

290. Chariot Ltd.

Company Profile: Chariot Ltd.
Market Cap (USD): $33.0 M
Stock: CHAR wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

291. Transense Technologies plc

Company Profile: Transense Technologies plc
Market Cap (USD): $33.0 M
Stock: TRT wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Auto Parts

292. Renalytix AI plc

Company Profile: Renalytix AI plc
Market Cap (USD): $31.9 M
Stock: RENX wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

293. tinyBuild, Inc.

Company Profile: tinyBuild, Inc.
Market Cap (USD): $31.8 M
Stock: TBLD wb_incandescent
Country: United States
Sector: US Communication Services
Industry: US Electronic Gaming & Multimedia

294. Various Eateries plc

Company Profile: Various Eateries plc
Market Cap (USD): $31.6 M
Stock: VARE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

295. Cornerstone FS plc

Company Profile: Cornerstone FS plc
Market Cap (USD): $31.6 M
Stock: CSFS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

296. First Property Group plc

Company Profile: First Property Group plc
Market Cap (USD): $31.0 M
Stock: FPO wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

297. The Mission Group plc

Company Profile: The Mission Group plc
Market Cap (USD): $30.8 M
Stock: TMG wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

298. Tlou Energy Limited

Company Profile: Tlou Energy Limited
Market Cap (USD): $30.5 M (July 1, 2024)
Stock: TLOU wb_incandescent
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

299. Robinson plc

Company Profile: Robinson plc
Market Cap (USD): $29.9 M
Stock: RBN wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Packaging & Containers

300. ANGLE plc

Company Profile: ANGLE plc
Market Cap (USD): $29.7 M
Stock: AGL wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

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