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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
91 PetroTal Corp. PTAL $255.0 M United States US Energy US Oil & Gas E&P
92 Kitwave Group plc KITW $254.7 M United Kingdom UK Consumer Staples UK Food Distribution
93 Netcall plc NET $253.5 M United Kingdom UK Technology UK Software—Application
94 Midwich Group plc MIDW $250.7 M United Kingdom UK Technology UK Electronics & Computer Distribution
95 Begbies Traynor Group plc BEG $250.2 M United Kingdom UK Industrials UK Specialty Business Services
96 Impax Asset Management Group plc IPX $249.5 M United Kingdom UK Financials UK Asset Management
97 Brickability Group plc BRCK $244.4 M United Kingdom UK Industrials UK Industrial Distribution
98 Supreme Plc SUP $236.5 M United Kingdom UK Industrials UK Electrical Equipment & Parts
99 N Brown Group plc BWNG $233.7 M

(Jan. 1, 2025)

 United Kingdom UK Consumer Discretionary UK Internet Retail
100 Frontier Developments plc FDEV $230.7 M United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
101 Fonix Mobile plc FNX $224.3 M United Kingdom UK Technology UK Information Technology Services
102 Gooch & Housego plc GHH $224.0 M United Kingdom UK Technology UK Electronic Components
103 M&C Saatchi plc SAA $222.1 M United Kingdom UK Communication Services UK Advertising Agencies
104 ActiveOps Plc AOM $222.0 M United Kingdom UK Technology UK Software—Application
105 Animalcare Group plc ANCR $221.2 M United Kingdom UK Healthcare UK Medical Care Facilities
106 Renold plc RNO $220.5 M

(July 1, 2025)

 United Kingdom UK Industrials UK Specialty Industrial Machinery
107 Mkango Resources Ltd. MKA $219.6 M Canada Canadian Basic Materials Canadian Other Industrial Metals & Mining
108 Aquis Exchange plc AQX $218.3 M

(July 1, 2025)

 United Kingdom UK Financials UK Financial Data & Stock Exchanges
109 Springfield Properties plc SPR $214.8 M United Kingdom UK Consumer Discretionary UK Residential Construction
110 Avingtrans plc AVG $214.0 M United Kingdom UK Industrials UK Specialty Industrial Machinery
111 Beeks Trading Corporation Ltd. BKS $213.0 M United Kingdom UK Technology UK Software—Infrastructure
112 Eckoh plc ECK $211.3 M

(Jan. 1, 2025)

 United Kingdom UK Technology UK Information Technology Services
113 Warpaint London plc W7L $210.7 M United Kingdom UK Consumer Staples UK Household & Personal Products
114 Base Resources Limited BSE $207.5 M

(July 1, 2024)

 Australia Australian Basic Materials Australian Other Industrial Metals & Mining
115 Knights Group Holdings plc KGH $202.6 M United Kingdom UK Industrials UK Specialty Business Services
116 Accsys Technologies plc AXS $202.1 M United Kingdom UK Basic Materials UK Lumber & Wood Production
117 Kore Potash plc KP2 $202.0 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
118 Kistos plc KIST $199.6 M United Kingdom UK Financials UK Asset Management
119 Helios Underwriting plc HUW $198.3 M United Kingdom UK Financials UK Insurance—Property & Casualty
120 Arbuthnot Banking Group plc ARBB $194.9 M United Kingdom UK Financials UK Banks—Regional

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

91. PetroTal Corp.

Company Profile: PetroTal Corp.
Market Cap (USD): $255.0 M
Stock: PTAL wb_incandescent
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

92. Kitwave Group plc

Company Profile: Kitwave Group plc
Market Cap (USD): $254.7 M
Stock: KITW wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Food Distribution

93. Netcall plc

Company Profile: Netcall plc
Market Cap (USD): $253.5 M
Stock: NET wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

94. Midwich Group plc

Company Profile: Midwich Group plc
Market Cap (USD): $250.7 M
Stock: MIDW wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

95. Begbies Traynor Group plc

Company Profile: Begbies Traynor Group plc
Market Cap (USD): $250.2 M
Stock: BEG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

96. Impax Asset Management Group plc

Company Profile: Impax Asset Management Group plc
Market Cap (USD): $249.5 M
Stock: IPX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

97. Brickability Group plc

Company Profile: Brickability Group plc
Market Cap (USD): $244.4 M
Stock: BRCK wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Industrial Distribution

98. Supreme Plc

Company Profile: Supreme Plc
Market Cap (USD): $236.5 M
Stock: SUP wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

99. N Brown Group plc

Company Profile: N Brown Group plc
Market Cap (USD): $233.7 M (Jan. 1, 2025)
Stock: BWNG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

100. Frontier Developments plc

Company Profile: Frontier Developments plc
Market Cap (USD): $230.7 M
Stock: FDEV wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

101. Fonix Mobile plc

Company Profile: Fonix Mobile plc
Market Cap (USD): $224.3 M
Stock: FNX wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

102. Gooch & Housego plc

Company Profile: Gooch & Housego plc
Market Cap (USD): $224.0 M
Stock: GHH wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

103. M&C Saatchi plc

Company Profile: M&C Saatchi plc
Market Cap (USD): $222.1 M
Stock: SAA wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

104. ActiveOps Plc

Company Profile: ActiveOps Plc
Market Cap (USD): $222.0 M
Stock: AOM wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

105. Animalcare Group plc

Company Profile: Animalcare Group plc
Market Cap (USD): $221.2 M
Stock: ANCR wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

106. Renold plc

Company Profile: Renold plc
Market Cap (USD): $220.5 M (July 1, 2025)
Stock: RNO wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

107. Mkango Resources Ltd.

Company Profile: Mkango Resources Ltd.
Market Cap (USD): $219.6 M
Stock: MKA wb_incandescent
Country: Canada
Sector: Canadian Basic Materials
Industry: Canadian Other Industrial Metals & Mining

108. Aquis Exchange plc

Company Profile: Aquis Exchange plc
Market Cap (USD): $218.3 M (July 1, 2025)
Stock: AQX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Financial Data & Stock Exchanges

109. Springfield Properties plc

Company Profile: Springfield Properties plc
Market Cap (USD): $214.8 M
Stock: SPR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Residential Construction

110. Avingtrans plc

Company Profile: Avingtrans plc
Market Cap (USD): $214.0 M
Stock: AVG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

111. Beeks Trading Corporation Ltd.

Company Profile: Beeks Trading Corporation Ltd.
Market Cap (USD): $213.0 M
Stock: BKS wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

112. Eckoh plc

Company Profile: Eckoh plc
Market Cap (USD): $211.3 M (Jan. 1, 2025)
Stock: ECK wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

113. Warpaint London plc

Company Profile: Warpaint London plc
Market Cap (USD): $210.7 M
Stock: W7L wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Household & Personal Products

114. Base Resources Limited

Company Profile: Base Resources Limited
Market Cap (USD): $207.5 M (July 1, 2024)
Stock: BSE wb_incandescent
Country: Australia
Sector: Australian Basic Materials
Industry: Australian Other Industrial Metals & Mining

115. Knights Group Holdings plc

Company Profile: Knights Group Holdings plc
Market Cap (USD): $202.6 M
Stock: KGH wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

116. Accsys Technologies plc

Company Profile: Accsys Technologies plc
Market Cap (USD): $202.1 M
Stock: AXS wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Lumber & Wood Production

117. Kore Potash plc

Company Profile: Kore Potash plc
Market Cap (USD): $202.0 M
Stock: KP2 wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

118. Kistos plc

Company Profile: Kistos plc
Market Cap (USD): $199.6 M
Stock: KIST wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

119. Helios Underwriting plc

Company Profile: Helios Underwriting plc
Market Cap (USD): $198.3 M
Stock: HUW wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Property & Casualty

120. Arbuthnot Banking Group plc

Company Profile: Arbuthnot Banking Group plc
Market Cap (USD): $194.9 M
Stock: ARBB wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Regional

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