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.
Company Profile:
Open Orphan plc
Market Cap (USD):
$25.41 B
Stock:
ORPH
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Country:
United Kingdom
Sector:
Healthcare
Industry:
Biotechnology
Company Profile:
Abcam plc
Market Cap (USD):
$3.58 B
(Dec. 1, 2022)
Stock:
ABC
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Country:
United Kingdom
Sector:
Healthcare
Industry:
Biotechnology
Company Profile:
Burford Capital Limited
Market Cap (USD):
$3.42 B
Stock:
BUR
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Country:
United Kingdom
Sector:
Financials
Industry:
Asset Management
Company Profile:
Jet2 plc
Market Cap (USD):
$3.41 B
Stock:
JET2
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Country:
United Kingdom
Sector:
Consumer Discretionary
Industry:
Travel Services
Company Profile:
HUTCHMED Ltd.
Market Cap (USD):
$3.14 B
Stock:
HCM
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Country:
Hong Kong
Sector:
Healthcare
Industry:
Biotechnology
Company Profile:
GlobalData plc
Market Cap (USD):
$2.31 B
Stock:
DATA
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Country:
United Kingdom
Sector:
Industrials
Industry:
Consulting Services
Company Profile:
Secure Income REIT Ord
Market Cap (USD):
$1.81 B
(July 1, 2022)
Stock:
SIR
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Country:
United Kingdom
Sector:
Real Estate
Industry:
REIT—Diversified
Company Profile:
YouGov plc
Market Cap (USD):
$1.73 B
Stock:
YOU
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Country:
United Kingdom
Sector:
Communication Services
Industry:
Advertising Agencies
Company Profile:
Yellow Cake plc
Market Cap (USD):
$1.71 B
Stock:
YCA
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Country:
United Kingdom
Sector:
Energy
Industry:
Uranium
Company Profile:
Keywords Studios plc
Market Cap (USD):
$1.67 B
Stock:
KWS
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Country:
Ireland
Sector:
Communication Services
Industry:
Electronic Gaming & Multimedia
Company Profile:
Blue Prism Group plc
Market Cap (USD):
$1.66 B
(March 1, 2022)
Stock:
PRSM
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Country:
United Kingdom
Sector:
Technology
Industry:
Software—Infrastructure
Company Profile:
Smart Metering Systems plc
Market Cap (USD):
$1.65 B
Stock:
SMS
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Country:
United Kingdom
Sector:
Industrials
Industry:
Electrical Equipment & Parts
Company Profile:
Clinigen Group plc
Market Cap (USD):
$1.61 B
(April 1, 2022)
Stock:
CLIN
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Country:
United Kingdom
Sector:
Healthcare
Industry:
Medical Distribution
Company Profile:
Fevertree Drinks plc
Market Cap (USD):
$1.56 B
Stock:
FEVR
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Country:
United Kingdom
Sector:
Consumer Staples
Industry:
Beverages—Non-Alcoholic
Company Profile:
Breedon Group plc
Market Cap (USD):
$1.54 B
Stock:
BREE
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Country:
United Kingdom
Sector:
Basic Materials
Industry:
Building Materials
Company Profile:
CVS Group plc
Market Cap (USD):
$1.53 B
Stock:
CVSG
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Country:
United Kingdom
Sector:
Consumer Discretionary
Industry:
Personal Services
Company Profile:
Gamma Communications plc
Market Cap (USD):
$1.40 B
Stock:
GAMA
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Country:
United Kingdom
Sector:
Communication Services
Industry:
Telecom Services
Company Profile:
Ideagen plc
Market Cap (USD):
$1.27 B
(July 1, 2022)
Stock:
IDEA
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Country:
United Kingdom
Sector:
Technology
Industry:
Software—Application
Company Profile:
Greencoat Renewables plc
Market Cap (USD):
$1.25 B
Stock:
GRP
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Country:
Ireland
Sector:
Utilities
Industry:
Utilities—Independent Power Producers
Company Profile:
RWS Holdings plc
Market Cap (USD):
$1.19 B
Stock:
RWS
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Country:
United Kingdom
Sector:
Industrials
Industry:
Consulting Services
Company Profile:
Sumo Group plc
Market Cap (USD):
$1.18 B
(Jan. 1, 2022)
Stock:
SUMO
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Country:
United Kingdom
Sector:
Communication Services
Industry:
Electronic Gaming & Multimedia
Company Profile:
Serica Energy plc
Market Cap (USD):
$1.14 B
Stock:
SQZ
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Country:
United Kingdom
Sector:
Energy
Industry:
Oil & Gas E&P
Company Profile:
EMIS Group plc
Market Cap (USD):
$1.13 B
(July 1, 2023)
Stock:
EMIS
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Country:
United Kingdom
Sector:
Healthcare
Industry:
Health Information Services
Company Profile:
WANdisco plc
Market Cap (USD):
$1.12 B
(July 1, 2023)
Stock:
WAND
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Country:
United Kingdom
Sector:
Technology
Industry:
Software—Application
Company Profile:
James Halstead plc
Market Cap (USD):
$1.07 B
Stock:
JHD
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Country:
United Kingdom
Sector:
Industrials
Industry:
Building Products & Equipment
Company Profile:
Next Fifteen Communications Group plc
Market Cap (USD):
$1.01 B
Stock:
NFC
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Country:
United Kingdom
Sector:
Communication Services
Industry:
Advertising Agencies
Company Profile:
President Energy plc
Market Cap (USD):
$1.00 B
Stock:
PPC
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Country:
United Kingdom
Sector:
Energy
Industry:
Oil & Gas E&P
Company Profile:
CareTech Holdings plc
Market Cap (USD):
$978.5 M
(Sept. 1, 2022)
Stock:
CTH
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Country:
United Kingdom
Sector:
Healthcare
Industry:
Medical Care Facilities
Company Profile:
Alpha FX Group plc
Market Cap (USD):
$936.9 M
Stock:
AFX
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Country:
United Kingdom
Sector:
Financials
Industry:
Capital Markets
Company Profile:
Impax Asset Management Group plc
Market Cap (USD):
$898.5 M
Stock:
IPX
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Country:
United Kingdom
Sector:
Financials
Industry:
Asset Management