Largest & Smallest Market Cap AIM Companies

UPDATED JANUARY, 2019

Largest & Smallest Market Cap AIM Companies

As depicted by the extreme variation in size below, AIM offers investors a huge variety of investment opportunities (updated 12th January, 2019). 

25 Largest AIM Companies By Market Cap

  • Burford Capital Ltd (BUR) – £3.65bn
  • Fevertree Drinks PLC (FEVR) – £2.92bn
  • Abcam PLC (ABC) £2.50bn
  • ASOS PLC (ASC) – £2.39bn
  • Hutchinson China Meditech Ltd (HCM) – £2.27bn
  • boohoo.com PLC (BOO) – £2.21bn
  • Plus500 Ltd (PLUS) – £1.69bn
  • RWS Holdings PLC (RWS) – £1.28bn
  • Secure Income REIT PLC (SIR) – £1.26bn
  • Dart Group PLC (DTG) – £1.25bn
  • Breedon Group PLC (BREE) – £1.07bn
  • James Halstead PLC (JHD) – £1.02bn
  • Clinigen Group PLC (CLIN) – £1.01bn
  • Globalworth Real Estate Investments Ltd (GWI) – £946.00m
  • Hurricane Energy PLC (HUR) – £929.61m
  • Blue Prism Group PLC (PRSM) – £873.92m
  • Keywords Studios PLC (KWS) – £790.86m
  • Gamma Communications PLC (GAMA) – £748.12m
  • Young & Co’s Brewery PLC (YNGA) – £744.25m
  • GB Group PLC (GBG) – £715.87m
  • Globaldata PLC (DATA) – £697.99m
  • Phoenix Global Resources PLC (PGR) – £696.66m
  • Craneware PLC (CRW) – £675.48
  • Origin Enterprises PLC (OGN) – £655.63
  • Diversified Oil & Gas PLC (DGOC) – £637.62

25 Smallest AIM Companies By Market Cap

  • Eight Capital Partners (ECP) – £0.188m
  • PhotonStar LED Group PLC (PSL) – £0.195m
  • Zibao Metals Recycling Holdings PLC (ZBO) – £0.427
  • Inspirit Energy Holdings PLC (INSP) – £0.461m
  • Halosource Corporation (HAL) – £0.563m
  • MBL Group PLC (MUBL) – £0.605m
  • Mobile Streams PLC (MOS) – £0.629m
  • REACT Group PLC (REAT) – £0.664m
  • Tiger Resources PLC (TIR) – £0.691m
  • Sabien Technology Group PLC (SNT) – £0.708m
  • Pires Investments PLC (PIRE) – £0.711m
  • Richland Resources Ltd (RLD) – £0.738m
  • Marechale Capital PLC (MAC) – £0.764m
  • Port Erin Biopharma Investments Ltd (PEBI) – £0.811m
  • Slingsby (H.C) PLC (SLNG) – £0.825m
  • Polemos PLC (PLMO) – £0.826m
  • Cellcast PLC (CLTV) – £0.852
  • Origo Partners PLC (OPP) – £0.896m
  • PCG Entertainment PLC (PCGE) – £0.933m
  • Katoro Gold PLC (KAT) – £1.01m
  • Gunsynd PLC (GUN) – £1.05m
  • Altona Energy PLC (ANR) – £1.05m
  • MediaZest PLC (MDZ) – £1.09m
  • CSF Group PLC (CSFG) – £1.12
  • Imaginatik PLC (IMTK) – £1.14m

*The illiquidity in the trading of the shares above means you should proceed with the upmost caution when considering investing in the real lower-end of the FTSE AIM market. To add to this, several of the smallest AIM companies listed above currently have their shares suspended or are looking towards potentially delisting from the market.

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