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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
121 Thor Explorations Ltd THX wb_incandescent $157.5 M Canada Canadian Basic Materials Canadian Gold
122 Diaceutics plc DXRX wb_incandescent $155.9 M United Kingdom UK Healthcare UK Biotechnology
123 Knights Group Holdings plc KGH wb_incandescent $154.2 M

(July 1, 2024)

 United Kingdom UK Industrials UK Specialty Business Services
124 Accrol Group Holdings plc ACRL wb_incandescent $153.5 M

(Jan. 1, 2024)

 United Kingdom UK Consumer Staples UK Household & Personal Products
125 EKF Diagnostics Holdings plc EKF wb_incandescent $153.3 M United Kingdom UK Healthcare UK Diagnostics & Research
126 Gooch & Housego plc GHH wb_incandescent $152.9 M United Kingdom UK Technology UK Electronic Components
127 Eleco plc ELCO wb_incandescent $149.9 M United Kingdom UK Technology UK Software—Application
128 IQE plc IQE wb_incandescent $149.5 M United Kingdom UK Technology UK Semiconductor Equipment & Materials
129 i3 Energy plc I3E wb_incandescent $149.3 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
130 Sylvania Platinum Limited SLP wb_incandescent $145.9 M Bermuda Bermuda Basic Materials Bermuda Other Precious Metals & Mining
131 Concurrent Technologies plc CNC wb_incandescent $142.4 M United Kingdom UK Technology UK Computer Hardware
132 Eagle Eye Solutions Group plc EYE wb_incandescent $141.1 M United Kingdom UK Technology UK Software—Application
133 Kore Potash plc KP2 wb_incandescent $140.1 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
134 The Alumasc Group plc ALU wb_incandescent $139.0 M United Kingdom UK Industrials UK Building Products & Equipment
135 Springfield Properties plc SPR wb_incandescent $137.7 M United Kingdom UK Consumer Discretionary UK Residential Construction
136 Kistos plc KIST wb_incandescent $135.2 M United Kingdom UK Financials UK Asset Management
137 Accsys Technologies plc AXS wb_incandescent $134.8 M United Kingdom UK Basic Materials UK Lumber & Wood Production
138 Gaming Realms plc GMR wb_incandescent $133.6 M United Kingdom UK Consumer Discretionary UK Gambling
139 Strix Group plc KETL wb_incandescent $131.9 M United Kingdom UK Technology UK Electronic Components
140 Corero Network Security plc CNS wb_incandescent $131.8 M United Kingdom UK Technology UK Software—Infrastructure
141 Scancell Holdings plc SCLP wb_incandescent $129.4 M United Kingdom UK Healthcare UK Biotechnology
142 Litigation Capital Management Limited LIT wb_incandescent $129.0 M Australia Australian Financials Australian Credit Services
143 Afentra PLC AET wb_incandescent $129.0 M United Kingdom UK Energy UK Oil & Gas E&P
144 Faron Pharmaceuticals OY FARN wb_incandescent $127.9 M

(July 1, 2024)

 Finland Finnish Healthcare Finnish Biotechnology
145 Michelmersh Brick Holdings plc MBH wb_incandescent $124.0 M United Kingdom UK Basic Materials UK Building Materials
146 Futura Medical plc FUM wb_incandescent $121.5 M United Kingdom UK Healthcare UK Biotechnology
147 Intercede Group plc IGP wb_incandescent $120.4 M United Kingdom UK Technology UK Software—Application
148 Renold plc RNO wb_incandescent $120.2 M United Kingdom UK Industrials UK Specialty Industrial Machinery
149 DP Poland plc DPP wb_incandescent $119.2 M Poland Polish Consumer Discretionary Polish Restaurants
150 Savannah Resources plc SAV wb_incandescent $118.1 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining

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

121. Thor Explorations Ltd

Company Profile: Thor Explorations Ltd
Market Cap (USD): $157.5 M
Stock: THX wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Gold

122. Diaceutics plc

Company Profile: Diaceutics plc
Market Cap (USD): $155.9 M
Stock: DXRX wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

123. Knights Group Holdings plc

Company Profile: Knights Group Holdings plc
Market Cap (USD): $154.2 M (July 1, 2024)
Stock: KGH wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

124. Accrol Group Holdings plc

Company Profile: Accrol Group Holdings plc
Market Cap (USD): $153.5 M (Jan. 1, 2024)
Stock: ACRL wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Household & Personal Products

125. EKF Diagnostics Holdings plc

Company Profile: EKF Diagnostics Holdings plc
Market Cap (USD): $153.3 M
Stock: EKF wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Diagnostics & Research

126. Gooch & Housego plc

Company Profile: Gooch & Housego plc
Market Cap (USD): $152.9 M
Stock: GHH wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

127. Eleco plc

Company Profile: Eleco plc
Market Cap (USD): $149.9 M
Stock: ELCO wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

128. IQE plc

Company Profile: IQE plc
Market Cap (USD): $149.5 M
Stock: IQE wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductor Equipment & Materials

129. i3 Energy plc

Company Profile: i3 Energy plc
Market Cap (USD): $149.3 M (July 1, 2024)
Stock: I3E wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

130. Sylvania Platinum Limited

Company Profile: Sylvania Platinum Limited
Market Cap (USD): $145.9 M
Stock: SLP wb_incandescent
Country: Bermuda
Sector: Bermuda Basic Materials
Industry: Bermuda Other Precious Metals & Mining

131. Concurrent Technologies plc

Company Profile: Concurrent Technologies plc
Market Cap (USD): $142.4 M
Stock: CNC wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Computer Hardware

132. Eagle Eye Solutions Group plc

Company Profile: Eagle Eye Solutions Group plc
Market Cap (USD): $141.1 M
Stock: EYE wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

133. Kore Potash plc

Company Profile: Kore Potash plc
Market Cap (USD): $140.1 M
Stock: KP2 wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

134. The Alumasc Group plc

Company Profile: The Alumasc Group plc
Market Cap (USD): $139.0 M
Stock: ALU wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Building Products & Equipment

135. Springfield Properties plc

Company Profile: Springfield Properties plc
Market Cap (USD): $137.7 M
Stock: SPR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Residential Construction

136. Kistos plc

Company Profile: Kistos plc
Market Cap (USD): $135.2 M
Stock: KIST wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

137. Accsys Technologies plc

Company Profile: Accsys Technologies plc
Market Cap (USD): $134.8 M
Stock: AXS wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Lumber & Wood Production

138. Gaming Realms plc

Company Profile: Gaming Realms plc
Market Cap (USD): $133.6 M
Stock: GMR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Gambling

139. Strix Group plc

Company Profile: Strix Group plc
Market Cap (USD): $131.9 M
Stock: KETL wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

140. Corero Network Security plc

Company Profile: Corero Network Security plc
Market Cap (USD): $131.8 M
Stock: CNS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

141. Scancell Holdings plc

Company Profile: Scancell Holdings plc
Market Cap (USD): $129.4 M
Stock: SCLP wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

142. Litigation Capital Management Limited

Company Profile: Litigation Capital Management Limited
Market Cap (USD): $129.0 M
Stock: LIT wb_incandescent
Country: Australia
Sector: Australian Financials
Industry: Australian Credit Services

143. Afentra PLC

Company Profile: Afentra PLC
Market Cap (USD): $129.0 M
Stock: AET wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

144. Faron Pharmaceuticals OY

Company Profile: Faron Pharmaceuticals OY
Market Cap (USD): $127.9 M (July 1, 2024)
Stock: FARN wb_incandescent
Country: Finland
Sector: Finnish Healthcare
Industry: Finnish Biotechnology

145. Michelmersh Brick Holdings plc

Company Profile: Michelmersh Brick Holdings plc
Market Cap (USD): $124.0 M
Stock: MBH wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

146. Futura Medical plc

Company Profile: Futura Medical plc
Market Cap (USD): $121.5 M
Stock: FUM wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

147. Intercede Group plc

Company Profile: Intercede Group plc
Market Cap (USD): $120.4 M
Stock: IGP wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

148. Renold plc

Company Profile: Renold plc
Market Cap (USD): $120.2 M
Stock: RNO wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

149. DP Poland plc

Company Profile: DP Poland plc
Market Cap (USD): $119.2 M
Stock: DPP wb_incandescent
Country: Poland
Sector: Polish Consumer Discretionary
Industry: Polish Restaurants

150. Savannah Resources plc

Company Profile: Savannah Resources plc
Market Cap (USD): $118.1 M
Stock: SAV wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

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