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FTSE AIM 100
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Top FTSE AIM 100 Companies by Market Cap and Stocks in 2025

This is the list of the largest public listed companies in the FTSE AIM 100 index ranked by market capitalization, together with links to their reference stock, sector and industry.

FTSE AIM 100 Chart & Analysis

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Top FTSE AIM 100 Companies Ranking by Market Cap as of Jan. 1, 2025

Ranking Company Stock Market Cap (USD) Country Sector Industry
31 Alpha Financial Markets Consulting plc AFM wb_incandescent $718.3 M

(July 1, 2024)

 United Kingdom UK Industrials UK Consulting Services
32 Boku, Inc. BOKU wb_incandescent $714.7 M United States US Technology US Information Technology Services
33 Johnson Service Group plc JSG wb_incandescent $701.4 M United Kingdom UK Industrials UK Specialty Business Services
34 Draper Esprit plc GROW wb_incandescent $694.5 M United Kingdom UK Financials UK Asset Management
35 FD Technologies plc FDP wb_incandescent $684.7 M United Kingdom UK Technology UK Information Technology Services
36 Volex plc VLX wb_incandescent $684.2 M United Kingdom UK Industrials UK Electrical Equipment & Parts
37 Cohort plc CHRT wb_incandescent $669.3 M United Kingdom UK Industrials UK Aerospace & Defense
38 Hotel Chocolat Group plc HOTC wb_incandescent $651.7 M

(Jan. 1, 2024)

 United Kingdom UK Consumer Staples UK Confectioners
39 M.P. Evans Group plc MPE wb_incandescent $640.4 M United Kingdom UK Consumer Staples UK Farm Products
40 Atalaya Mining plc ATYM wb_incandescent $630.8 M

(March 1, 2023)

 Cyprus Cyprus Basic Materials Cyprus Copper
41 Judges Scientific plc JDG wb_incandescent $618.1 M United Kingdom UK Technology UK Scientific & Technical Instruments
42 Polar Capital Holdings plc POLR wb_incandescent $612.3 M United Kingdom UK Financials UK Asset Management
43 ASOS plc ASC wb_incandescent $610.2 M United Kingdom UK Consumer Discretionary UK Internet Retail
44 Advanced Medical Solutions Group plc AMS wb_incandescent $600.9 M United Kingdom UK Healthcare UK Medical Instruments & Supplies
45 Urban Logistics REIT plc SHED wb_incandescent $598.8 M United Kingdom UK Real Estate UK REIT—Industrial
46 Nichols plc NICL wb_incandescent $593.8 M United Kingdom UK Consumer Staples UK Beverages—Non-Alcoholic
47 Silence Therapeutics plc SLN wb_incandescent $588.4 M

(Nov. 1, 2021)

 United Kingdom UK Healthcare UK Biotechnology
48 Uniphar plc UPR wb_incandescent $579.5 M Ireland Irish Healthcare Irish Medical Care Facilities
49 Young & Co.'s Brewery, plc YNGA wb_incandescent $573.9 M United Kingdom UK Consumer Discretionary UK Restaurants
50 Young & Co.'s Brewery, plc YNGN wb_incandescent $573.9 M United Kingdom UK Consumer Discretionary UK Restaurants
51 YouGov plc YOU wb_incandescent $561.2 M United Kingdom UK Communication Services UK Advertising Agencies
52 boohoo group plc BOO wb_incandescent $534.7 M United Kingdom UK Consumer Discretionary UK Internet Retail
53 Mattioli Woods plc MTW wb_incandescent $523.3 M

(July 1, 2024)

 United Kingdom UK Financials UK Asset Management
54 AB Dynamics plc ABDP wb_incandescent $517.4 M United Kingdom UK Consumer Discretionary UK Auto Parts
55 Mortgage Advice Bureau (Holdings) plc MAB1 wb_incandescent $465.5 M United Kingdom UK Financials UK Mortgage Finance
56 Numis Corporation plc NUM wb_incandescent $465.4 M

(July 1, 2023)

 United Kingdom UK Financials UK Capital Markets
57 FW Thorpe plc TFW wb_incandescent $447.8 M United Kingdom UK Industrials UK Electrical Equipment & Parts
58 Telit Communications plc TCM wb_incandescent $435.1 M

(Aug. 1, 2021)

 United Kingdom UK Technology UK Communication Equipment
59 Warehouse REIT plc WHR wb_incandescent $431.1 M United Kingdom UK Real Estate UK REIT—Industrial
60 FRP Advisory Group plc FRP wb_incandescent $430.4 M United Kingdom UK Financials UK Capital Markets

Top FTSE AIM 100 Companies Ranking by Market Cap as of Jan. 1, 2025

31. Alpha Financial Markets Consulting plc

Company Profile: Alpha Financial Markets Consulting plc
Market Cap (USD): $718.3 M (July 1, 2024)
Stock: AFM wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

32. Boku, Inc.

Company Profile: Boku, Inc.
Market Cap (USD): $714.7 M
Stock: BOKU wb_incandescent
Country: United States
Sector: US Technology
Industry: US Information Technology Services

33. Johnson Service Group plc

Company Profile: Johnson Service Group plc
Market Cap (USD): $701.4 M
Stock: JSG wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

34. Draper Esprit plc

Company Profile: Draper Esprit plc
Market Cap (USD): $694.5 M
Stock: GROW wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

35. FD Technologies plc

Company Profile: FD Technologies plc
Market Cap (USD): $684.7 M
Stock: FDP wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

36. Volex plc

Company Profile: Volex plc
Market Cap (USD): $684.2 M
Stock: VLX wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

37. Cohort plc

Company Profile: Cohort plc
Market Cap (USD): $669.3 M
Stock: CHRT wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

38. Hotel Chocolat Group plc

Company Profile: Hotel Chocolat Group plc
Market Cap (USD): $651.7 M (Jan. 1, 2024)
Stock: HOTC wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Confectioners

39. M.P. Evans Group plc

Company Profile: M.P. Evans Group plc
Market Cap (USD): $640.4 M
Stock: MPE wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Farm Products

40. Atalaya Mining plc

Company Profile: Atalaya Mining plc
Market Cap (USD): $630.8 M (March 1, 2023)
Stock: ATYM wb_incandescent
Country: Cyprus
Sector: Cyprus Basic Materials
Industry: Cyprus Copper

41. Judges Scientific plc

Company Profile: Judges Scientific plc
Market Cap (USD): $618.1 M
Stock: JDG wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

42. Polar Capital Holdings plc

Company Profile: Polar Capital Holdings plc
Market Cap (USD): $612.3 M
Stock: POLR wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

43. ASOS plc

Company Profile: ASOS plc
Market Cap (USD): $610.2 M
Stock: ASC wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

44. Advanced Medical Solutions Group plc

Company Profile: Advanced Medical Solutions Group plc
Market Cap (USD): $600.9 M
Stock: AMS wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

45. Urban Logistics REIT plc

Company Profile: Urban Logistics REIT plc
Market Cap (USD): $598.8 M
Stock: SHED wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Industrial

46. Nichols plc

Company Profile: Nichols plc
Market Cap (USD): $593.8 M
Stock: NICL wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Non-Alcoholic

47. Silence Therapeutics plc

Company Profile: Silence Therapeutics plc
Market Cap (USD): $588.4 M (Nov. 1, 2021)
Stock: SLN wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

48. Uniphar plc

Company Profile: Uniphar plc
Market Cap (USD): $579.5 M
Stock: UPR wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Medical Care Facilities

49. Young & Co.'s Brewery, plc

Company Profile: Young & Co.'s Brewery, plc
Market Cap (USD): $573.9 M
Stock: YNGA wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

50. Young & Co.'s Brewery, plc

Company Profile: Young & Co.'s Brewery, plc
Market Cap (USD): $573.9 M
Stock: YNGN wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

51. YouGov plc

Company Profile: YouGov plc
Market Cap (USD): $561.2 M
Stock: YOU wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Advertising Agencies

52. boohoo group plc

Company Profile: boohoo group plc
Market Cap (USD): $534.7 M
Stock: BOO wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Internet Retail

53. Mattioli Woods plc

Company Profile: Mattioli Woods plc
Market Cap (USD): $523.3 M (July 1, 2024)
Stock: MTW wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

54. AB Dynamics plc

Company Profile: AB Dynamics plc
Market Cap (USD): $517.4 M
Stock: ABDP wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Auto Parts

55. Mortgage Advice Bureau (Holdings) plc

Company Profile: Mortgage Advice Bureau (Holdings) plc
Market Cap (USD): $465.5 M
Stock: MAB1 wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Mortgage Finance

56. Numis Corporation plc

Company Profile: Numis Corporation plc
Market Cap (USD): $465.4 M (July 1, 2023)
Stock: NUM wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

57. FW Thorpe plc

Company Profile: FW Thorpe plc
Market Cap (USD): $447.8 M
Stock: TFW wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

58. Telit Communications plc

Company Profile: Telit Communications plc
Market Cap (USD): $435.1 M (Aug. 1, 2021)
Stock: TCM wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

59. Warehouse REIT plc

Company Profile: Warehouse REIT plc
Market Cap (USD): $431.1 M
Stock: WHR wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Industrial

60. FRP Advisory Group plc

Company Profile: FRP Advisory Group plc
Market Cap (USD): $430.4 M
Stock: FRP wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

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