| Jet2 plcAIM: JET2 | Industrials | $3.57B | £14.14 | -0.42% |
| HUTCHMED (China) LimitedAIM: HCM | Health Care | $2.55B | £2.22 | +0.45% |
| SigmaRoc plcAIM: SRC | Materials | $1.83B | £1.22 | -2.32% |
| Yellow Cake plcAIM: YCA | Energy | $1.82B | £5.49 | -2.75% |
| M.P. Evans Group PLCAIM: MPE | Consumer Staples | $1.41B | £20.20 | -1.94% |
| Serica Energy plcAIM: SQZ | Energy | $1.39B | £2.64 | +3.78% |
| Fevertree Drinks PLCAIM: FEVR | Consumer Staples | $1.25B | £8.45 | +0.60% |
| Renew Holdings plcAIM: RNWH | Industrials | $1.02B | £9.46 | -2.97% |
| Polar Capital Holdings PlcAIM: POLR | Financials | $976.68M | £7.81 | -0.38% |
| Filtronic plcAIM: FTC | Information Technology | $958.57M | £3.21 | -2.73% |
| IQE plcAIM: IQE | Information Technology | $952.77M | £0.51 | -6.64% |
| ITM Power PlcAIM: ITM | Industrials | $931.20M | £0.92 | -9.58% |
| Tungsten West PLCAIM: TUN | Materials | $869.98M | £0.44 | -5.21% |
| Rockhopper Exploration plcAIM: RKH | Energy | $858.79M | £0.48 | -20.84% |
| Advanced Medical Solutions Group plcAIM: AMS | Health Care | $808.86M | £2.83 | +0.36% |
| everplay group plcAIM: EVPL | Communication Services | $777.39M | £4.05 | -0.98% |
| Cohort plcAIM: CHRT | Industrials | $718.58M | £11.92 | +0.85% |
| Griffin Mining LimitedAIM: GFM | Materials | $710.71M | £3.10 | +4.73% |
| RWS Holdings plcAIM: RWS | Industrials | $696.50M | £1.39 | -2.18% |
| James Halstead plcAIM: JHD | Industrials | $684.14M | £1.25 | +0.80% |
| Metals Exploration plcAIM: MTL | Materials | $671.71M | £0.16 | -1.20% |
| Anglo Asian Mining PLCAIM: AAZ | Materials | $636.92M | £4.10 | -2.38% |
| London Security plcAIM: LSC | Industrials | $607.14M | £37.50 | +2.74% |
| Restore plcAIM: RST | Industrials | $545.84M | £3.08 | +0.16% |
| Boku, Inc.AIM: BOKU | Financials | $542.59M | £1.43 | -0.69% |
| Tatton Asset Management plcAIM: TAM | Financials | $537.00M | £6.70 | 0.00% |
| Nichols plcAIM: NICL | Consumer Staples | $531.27M | £10.90 | -0.91% |
| boohoo group plcAIM: DEBS | Consumer Discretionary | $516.64M | £0.25 | +1.44% |
| Globalworth Real Estate Investments LimitedAIM: GWI | Real Estate | $512.25M | €1.52 | -8.18% |
| Craneware plcAIM: CRW | Health Care | $485.89M | £10.82 | -0.37% |
| Mha PlcAIM: MHA | Industrials | $448.02M | £1.32 | +0.19% |
| Avacta Group PlcAIM: AVCT | Health Care | $445.37M | £0.64 | -11.11% |
| Gooch & Housego PLCAIM: GHH | Information Technology | $443.60M | £12.25 | 0.00% |
| Next 15 Group plcAIM: NFG | Communication Services | $440.31M | £2.97 | -10.00% |
| YouGov plcAIM: YOU | Communication Services | $410.04M | £2.64 | -0.53% |
| Winvia Entertainment PlcAIM: WVIA | Consumer Discretionary | $399.87M | £2.78 | -3.48% |
| James Latham plcAIM: LTHM | Industrials | $399.17M | £10.70 | -1.38% |
| Allergy Therapeutics plcAIM: AGY | Health Care | $397.96M | £0.05 | 0.00% |
| FW Thorpe PlcAIM: TFW | Industrials | $392.20M | £2.55 | -3.77% |
| Franchise Brands plcAIM: FRAN | Industrials | $382.06M | £1.53 | +1.32% |
| Yü Group PLCAIM: YU. | Utilities | $378.68M | £16.25 | -1.81% |
| NIOX Group PlcAIM: NIOX | Health Care | $373.52M | £0.68 | +1.49% |
| Empire Metals LimitedAIM: EEE | Materials | $371.88M | £0.33 | -10.60% |
| Avingtrans plcAIM: AVG | Industrials | $365.97M | £7.50 | +1.90% |
| FRP Advisory Group plcAIM: FRP | Financials | $365.48M | £1.14 | 0.00% |
| Big Technologies PLCAIM: BIG | Information Technology | $359.88M | £0.94 | +0.86% |
| The Property Franchise Group PLCAIM: TPFG | Real Estate | $347.63M | £4.10 | -0.61% |
| Victorian Plumbing Group plcAIM: VIC | Consumer Discretionary | $346.05M | £0.79 | -1.00% |
| Optima Health plcAIM: OPT | Health Care | $344.78M | £2.40 | 0.00% |
| Guardian Metal Resources PLCAIM: GMET | Materials | $341.50M | £1.33 | -14.24% |
| Vertu Motors plcAIM: VTU | Consumer Discretionary | $339.30M | £0.84 | -0.94% |
| Hargreaves Services PlcAIM: HSP | Industrials | $338.20M | £8.34 | 0.00% |
| Central Asia Metals plcAIM: CAML | Materials | $337.58M | £1.51 | +0.80% |
| MS INTERNATIONAL plcAIM: MSI | Industrials | $333.69M | £15.65 | +0.32% |
| Kistos Holdings PlcAIM: KIST | Energy | $329.32M | £3.08 | +2.50% |
| AdvancedAdvT LimitedAIM: ADVT | Information Technology | $323.10M | £1.88 | +1.35% |
| Public Policy Holding Company, Inc.AIM: PPHC | Industrials | $321.81M | £8.05 | -6.40% |
| Judges Scientific plcAIM: JDG | Industrials | $316.68M | £35.80 | -0.56% |
| Sylvania Platinum LimitedAIM: SLP | Materials | $311.06M | £0.91 | 0.00% |
| B.P. Marsh & Partners PLCAIM: BPM | Financials | $309.38M | £6.55 | 0.00% |
| Science Group plcAIM: SAG | Industrials | $307.99M | £5.73 | -0.35% |
| Andrews Sykes Group plcAIM: ASY | Industrials | $293.00M | £5.18 | -2.36% |
| Concurrent Technologies PlcAIM: CNC | Information Technology | $287.72M | £2.75 | +10.00% |
| Keystone Law Group plcAIM: KEYS | Industrials | $286.18M | £6.89 | 0.00% |
| Tribal Group plcAIM: TRB | Consumer Discretionary | $285.05M | £1.01 | +19.93% |
| Netcall plcAIM: NET | Information Technology | $282.13M | £1.26 | +0.40% |
| Ramsdens Holdings PLCAIM: RFX | Financials | $273.08M | £6.33 | 0.00% |
| Tristel plcAIM: TSTL | Health Care | $271.42M | £4.30 | +0.58% |
| Jadestone Energy plcAIM: JSE | Energy | $270.36M | £0.37 | -1.33% |
| SRT Marine Systems plcAIM: SRT | Information Technology | $267.29M | £0.74 | -6.33% |
| Cerillion PlcAIM: CER | Information Technology | $265.30M | £6.80 | 0.00% |
| Fintel PlcAIM: FNTL | Industrials | $262.83M | £1.92 | +0.52% |
| Kore Potash plcAIM: KP2 | Materials | $260.22M | £0.04 | -1.32% |
| Frontier Developments plcAIM: FDEV | Communication Services | $259.59M | £5.76 | -1.20% |
| Seeing Machines LimitedAIM: SEE | Information Technology | $258.85M | £0.04 | -8.29% |
| Afentra plcAIM: AET | Energy | $257.99M | £0.73 | +2.39% |
| Eleco plcAIM: ELCO | Information Technology | $254.02M | £2.30 | 0.00% |
| Fonix PlcAIM: FNX | Financials | $253.35M | £1.95 | -1.02% |
| AB Dynamics plcAIM: ABDP | Consumer Discretionary | $250.71M | £8.10 | -2.06% |
| Midwich Group plcAIM: MIDW | Information Technology | $250.07M | £1.75 | -4.06% |
| BTG Consulting plcAIM: BTG | Industrials | $245.53M | £1.11 | -3.48% |
| RentGuarantor Holdings PLCAIM: RGG | Real Estate | $237.30M | £1.12 | +1.36% |
| Serabi Gold plcAIM: SRB | Materials | $225.74M | £2.30 | +2.68% |
| Diaceutics PLCAIM: DXRX | Health Care | $224.22M | £2.02 | +1.00% |
| Mincon Group plcAIM: MCON | Industrials | $220.28M | £0.79 | +3.97% |
| Celtic plcAIM: CCP | Communication Services | $217.01M | £1.73 | 0.00% |
| Strategic Minerals PlcAIM: SML | Materials | $216.47M | £0.06 | +10.86% |
| Helios Underwriting plcAIM: HUW | Financials | $216.27M | £2.38 | +4.16% |
| Mulberry Group plcAIM: MUL | Consumer Discretionary | $215.35M | £2.32 | -10.77% |
| dotdigital Group PlcAIM: DOTD | Information Technology | $213.86M | £0.54 | +1.69% |
| Supreme PlcAIM: SUP | Consumer Discretionary | $210.72M | £1.36 | 0.00% |
| Warpaint London PLCAIM: W7L | Consumer Staples | $210.25M | £1.96 | -2.00% |
| Savannah Resources PlcAIM: SAV | Materials | $205.15M | £0.05 | -0.19% |
| ActiveOps PlcAIM: AOM | Information Technology | $202.90M | £2.18 | +1.16% |
| Pantheon Resources PlcAIM: PANR | Energy | $199.86M | £0.10 | +1.06% |
| Camellia PlcAIM: CAM | Consumer Staples | $196.97M | £59.00 | +3.51% |
| BRCK Group plcAIM: BRCK | Industrials | $196.28M | £0.45 | -1.74% |
| Andrada Mining LimitedAIM: ATM | Materials | $190.84M | £0.07 | +5.18% |
| Knights Group Holdings plcAIM: KGH | Industrials | $189.90M | £1.70 | +0.59% |
| M&C Saatchi plcAIM: SAA | Communication Services | $187.28M | £1.19 | -1.65% |