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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
1 Jet2 plc JET2 wb_incandescent $3.95 B United Kingdom UK Consumer Discretionary UK Travel Services
2 Abcam plc ABC wb_incandescent $3.58 B

(Dec. 1, 2022)

 United Kingdom UK Healthcare UK Biotechnology
3 Burford Capital Limited BUR wb_incandescent $3.00 B United Kingdom UK Financials UK Asset Management
4 HUTCHMED Ltd. HCM wb_incandescent $2.43 B Hong Kong HK Healthcare HK Biotechnology
5 Keywords Studios plc KWS wb_incandescent $2.42 B

(July 1, 2024)

 Ireland Irish Communication Services Irish Electronic Gaming & Multimedia
6 GlobalData plc DATA wb_incandescent $1.84 B United Kingdom UK Industrials UK Consulting Services
7 Breedon Group plc BREE wb_incandescent $1.82 B United Kingdom UK Basic Materials UK Building Materials
8 Secure Income REIT Ord SIR wb_incandescent $1.81 B

(July 1, 2022)

 United Kingdom UK Real Estate UK REIT—Diversified
9 Blue Prism Group plc PRSM wb_incandescent $1.66 B

(March 1, 2022)

 United Kingdom UK Technology UK Software—Infrastructure
10 Smart Metering Systems plc SMS wb_incandescent $1.65 B

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Electrical Equipment & Parts
11 Clinigen Group plc CLIN wb_incandescent $1.61 B

(April 1, 2022)

 United Kingdom UK Healthcare UK Medical Distribution
12 Gamma Communications plc GAMA wb_incandescent $1.60 B United Kingdom UK Communication Services UK Telecom Services
13 Alpha FX Group plc AFX wb_incandescent $1.31 B United Kingdom UK Financials UK Capital Markets
14 Ideagen plc IDEA wb_incandescent $1.27 B

(July 1, 2022)

 United Kingdom UK Technology UK Software—Application
15 Sumo Group plc SUMO wb_incandescent $1.18 B

(Jan. 1, 2022)

 United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
16 GB Group plc GBG wb_incandescent $1.14 B

(July 1, 2024)

 United Kingdom UK Technology UK Software—Application
17 EMIS Group plc EMIS wb_incandescent $1.13 B

(July 1, 2023)

 United Kingdom UK Healthcare UK Health Information Services
18 WANdisco plc WAND wb_incandescent $1.12 B

(July 1, 2023)

 United Kingdom UK Technology UK Software—Application
19 Greatland Gold plc GGP wb_incandescent $1.03 B United Kingdom UK Basic Materials UK Gold
20 CareTech Holdings plc CTH wb_incandescent $978.5 M

(Sept. 1, 2022)

 United Kingdom UK Healthcare UK Medical Care Facilities
21 Fevertree Drinks plc FEVR wb_incandescent $975.7 M United Kingdom UK Consumer Staples UK Beverages—Non-Alcoholic
22 Learning Technologies Group plc LTG wb_incandescent $961.5 M United Kingdom UK Consumer Staples UK Education & Training Services
23 James Halstead plc JHD wb_incandescent $961.3 M United Kingdom UK Industrials UK Building Products & Equipment
24 Greencoat Renewables plc GRP wb_incandescent $918.8 M Ireland Irish Utilities Irish Utilities—Independent Power Producers
25 Craneware plc CRW wb_incandescent $917.6 M United Kingdom UK Healthcare UK Health Information Services
26 Renew Holdings plc RNWH wb_incandescent $913.9 M United Kingdom UK Industrials UK Engineering & Construction
27 CVS Group plc CVSG wb_incandescent $836.4 M United Kingdom UK Consumer Discretionary UK Personal Services
28 Pan African Resources plc PAF wb_incandescent $822.6 M South Africa South African Basic Materials South African Gold
29 Serica Energy plc SQZ wb_incandescent $771.6 M United Kingdom UK Energy UK Oil & Gas E&P
30 RWS Holdings plc RWS wb_incandescent $754.4 M United Kingdom UK Industrials UK Consulting Services

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

1. Jet2 plc

Company Profile: Jet2 plc
Market Cap (USD): $3.95 B
Stock: JET2 wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Travel Services

2. Abcam plc

Company Profile: Abcam plc
Market Cap (USD): $3.58 B (Dec. 1, 2022)
Stock: ABC wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

3. Burford Capital Limited

Company Profile: Burford Capital Limited
Market Cap (USD): $3.00 B
Stock: BUR wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

4. HUTCHMED Ltd.

Company Profile: HUTCHMED Ltd.
Market Cap (USD): $2.43 B
Stock: HCM wb_incandescent
Country: Hong Kong
Sector: HK Healthcare
Industry: HK Biotechnology

5. Keywords Studios plc

Company Profile: Keywords Studios plc
Market Cap (USD): $2.42 B (July 1, 2024)
Stock: KWS wb_incandescent
Country: Ireland
Sector: Irish Communication Services
Industry: Irish Electronic Gaming & Multimedia

6. GlobalData plc

Company Profile: GlobalData plc
Market Cap (USD): $1.84 B
Stock: DATA wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

7. Breedon Group plc

Company Profile: Breedon Group plc
Market Cap (USD): $1.82 B
Stock: BREE wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

8. Secure Income REIT Ord

Company Profile: Secure Income REIT Ord
Market Cap (USD): $1.81 B (July 1, 2022)
Stock: SIR wb_incandescent
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

9. Blue Prism Group plc

Company Profile: Blue Prism Group plc
Market Cap (USD): $1.66 B (March 1, 2022)
Stock: PRSM wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

10. Smart Metering Systems plc

Company Profile: Smart Metering Systems plc
Market Cap (USD): $1.65 B (Jan. 1, 2024)
Stock: SMS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

11. Clinigen Group plc

Company Profile: Clinigen Group plc
Market Cap (USD): $1.61 B (April 1, 2022)
Stock: CLIN wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Distribution

12. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.60 B
Stock: GAMA wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

13. Alpha FX Group plc

Company Profile: Alpha FX Group plc
Market Cap (USD): $1.31 B
Stock: AFX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

14. Ideagen plc

Company Profile: Ideagen plc
Market Cap (USD): $1.27 B (July 1, 2022)
Stock: IDEA wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

15. Sumo Group plc

Company Profile: Sumo Group plc
Market Cap (USD): $1.18 B (Jan. 1, 2022)
Stock: SUMO wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Electronic Gaming & Multimedia

16. GB Group plc

Company Profile: GB Group plc
Market Cap (USD): $1.14 B (July 1, 2024)
Stock: GBG wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

17. EMIS Group plc

Company Profile: EMIS Group plc
Market Cap (USD): $1.13 B (July 1, 2023)
Stock: EMIS wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

18. WANdisco plc

Company Profile: WANdisco plc
Market Cap (USD): $1.12 B (July 1, 2023)
Stock: WAND wb_incandescent
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

19. Greatland Gold plc

Company Profile: Greatland Gold plc
Market Cap (USD): $1.03 B
Stock: GGP wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

20. CareTech Holdings plc

Company Profile: CareTech Holdings plc
Market Cap (USD): $978.5 M (Sept. 1, 2022)
Stock: CTH wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

21. Fevertree Drinks plc

Company Profile: Fevertree Drinks plc
Market Cap (USD): $975.7 M
Stock: FEVR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Non-Alcoholic

22. Learning Technologies Group plc

Company Profile: Learning Technologies Group plc
Market Cap (USD): $961.5 M
Stock: LTG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Education & Training Services

23. James Halstead plc

Company Profile: James Halstead plc
Market Cap (USD): $961.3 M
Stock: JHD wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Building Products & Equipment

24. Greencoat Renewables plc

Company Profile: Greencoat Renewables plc
Market Cap (USD): $918.8 M
Stock: GRP wb_incandescent
Country: Ireland
Sector: Irish Utilities
Industry: Irish Utilities—Independent Power Producers

25. Craneware plc

Company Profile: Craneware plc
Market Cap (USD): $917.6 M
Stock: CRW wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

26. Renew Holdings plc

Company Profile: Renew Holdings plc
Market Cap (USD): $913.9 M
Stock: RNWH wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

27. CVS Group plc

Company Profile: CVS Group plc
Market Cap (USD): $836.4 M
Stock: CVSG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Personal Services

28. Pan African Resources plc

Company Profile: Pan African Resources plc
Market Cap (USD): $822.6 M
Stock: PAF wb_incandescent
Country: South Africa
Sector: South African Basic Materials
Industry: South African Gold

29. Serica Energy plc

Company Profile: Serica Energy plc
Market Cap (USD): $771.6 M
Stock: SQZ wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

30. RWS Holdings plc

Company Profile: RWS Holdings plc
Market Cap (USD): $754.4 M
Stock: RWS wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

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