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FTSE AIM 100
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Top FTSE AIM 100 Companies by Market Cap and Stocks in 2026

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

Top FTSE AIM 100 Companies Ranking by Market Cap as of Jan. 1, 2026

Ranking Company Stock Market Cap (USD) Country Sector Industry
1 Greatland Gold plc GGP $4.63 B United Kingdom UK Basic Materials UK Gold
2 Abcam plc ABC $3.58 B

(Dec. 1, 2022)

 United Kingdom UK Healthcare UK Biotechnology
3 Jet2 plc JET2 $3.56 B United Kingdom UK Consumer Discretionary UK Travel Services
4 Pan African Resources plc PAF $2.91 B South Africa South African Basic Materials South African Gold
5 Keywords Studios plc KWS $2.42 B

(July 1, 2024)

 Ireland Irish Communication Services Irish Electronic Gaming & Multimedia
6 HUTCHMED Ltd. HCM $2.36 B Hong Kong HK Healthcare HK Biotechnology
7 Burford Capital Limited BUR $1.93 B United Kingdom UK Financials UK Asset Management
8 Alpha FX Group plc AFX $1.92 B

(July 1, 2025)

 United Kingdom UK Financials UK Capital Markets
9 Secure Income REIT Ord SIR $1.81 B

(July 1, 2022)

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

(March 1, 2022)

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

(Jan. 1, 2024)

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

(April 1, 2022)

 United Kingdom UK Healthcare UK Medical Distribution
13 Breedon Group plc BREE $1.52 B United Kingdom UK Basic Materials UK Building Materials
14 Ideagen plc IDEA $1.27 B

(July 1, 2022)

 United Kingdom UK Technology UK Software—Application
15 Fevertree Drinks plc FEVR $1.26 B United Kingdom UK Consumer Staples UK Beverages—Non-Alcoholic
16 CVS Group plc CVSG $1.22 B United Kingdom UK Consumer Discretionary UK Personal Services
17 Draper Esprit plc GROW $1.19 B United Kingdom UK Financials UK Asset Management
18 Sumo Group plc SUMO $1.18 B

(Jan. 1, 2022)

 United Kingdom UK Communication Services UK Electronic Gaming & Multimedia
19 Gamma Communications plc GAMA $1.13 B United Kingdom UK Communication Services UK Telecom Services
20 EMIS Group plc EMIS $1.13 B

(July 1, 2023)

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

(July 1, 2023)

 United Kingdom UK Technology UK Software—Application
22 GlobalData plc DATA $1.12 B United Kingdom UK Industrials UK Consulting Services
23 Uniphar plc UPR $1.06 B Ireland Irish Healthcare Irish Medical Care Facilities
24 Volex plc VLX $1.02 B United Kingdom UK Industrials UK Electrical Equipment & Parts
25 CareTech Holdings plc CTH $978.5 M

(Sept. 1, 2022)

 United Kingdom UK Healthcare UK Medical Care Facilities
26 Learning Technologies Group plc LTG $961.5 M

(Jan. 1, 2025)

 United Kingdom UK Consumer Staples UK Education & Training Services
27 Renew Holdings plc RNWH $945.8 M United Kingdom UK Industrials UK Engineering & Construction
28 Serica Energy plc SQZ $937.6 M United Kingdom UK Energy UK Oil & Gas E&P
29 Craneware plc CRW $912.8 M United Kingdom UK Healthcare UK Health Information Services
30 Greencoat Renewables plc GRP $911.3 M Ireland Irish Utilities Irish Utilities—Independent Power Producers

Top FTSE AIM 100 Companies Ranking by Market Cap as of Jan. 1, 2026

1. Greatland Gold plc

Company Profile: Greatland Gold plc
Market Cap (USD): $4.63 B
Stock: GGP wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

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. Jet2 plc

Company Profile: Jet2 plc
Market Cap (USD): $3.56 B
Stock: JET2 wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Travel Services

4. Pan African Resources plc

Company Profile: Pan African Resources plc
Market Cap (USD): $2.91 B
Stock: PAF wb_incandescent
Country: South Africa
Sector: South African Basic Materials
Industry: South African Gold

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. HUTCHMED Ltd.

Company Profile: HUTCHMED Ltd.
Market Cap (USD): $2.36 B
Stock: HCM wb_incandescent
Country: Hong Kong
Sector: HK Healthcare
Industry: HK Biotechnology

7. Burford Capital Limited

Company Profile: Burford Capital Limited
Market Cap (USD): $1.93 B
Stock: BUR wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

8. Alpha FX Group plc

Company Profile: Alpha FX Group plc
Market Cap (USD): $1.92 B (July 1, 2025)
Stock: AFX wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

9. 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

10. 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

11. 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

12. 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

13. Breedon Group plc

Company Profile: Breedon Group plc
Market Cap (USD): $1.52 B
Stock: BREE wb_incandescent
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

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. Fevertree Drinks plc

Company Profile: Fevertree Drinks plc
Market Cap (USD): $1.26 B
Stock: FEVR wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Non-Alcoholic

16. CVS Group plc

Company Profile: CVS Group plc
Market Cap (USD): $1.22 B
Stock: CVSG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Personal Services

17. Draper Esprit plc

Company Profile: Draper Esprit plc
Market Cap (USD): $1.19 B
Stock: GROW wb_incandescent
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

18. 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

19. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.13 B
Stock: GAMA wb_incandescent
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Telecom Services

20. 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

21. 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

22. GlobalData plc

Company Profile: GlobalData plc
Market Cap (USD): $1.12 B
Stock: DATA wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

23. Uniphar plc

Company Profile: Uniphar plc
Market Cap (USD): $1.06 B
Stock: UPR wb_incandescent
Country: Ireland
Sector: Irish Healthcare
Industry: Irish Medical Care Facilities

24. Volex plc

Company Profile: Volex plc
Market Cap (USD): $1.02 B
Stock: VLX wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

25. 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

26. Learning Technologies Group plc

Company Profile: Learning Technologies Group plc
Market Cap (USD): $961.5 M (Jan. 1, 2025)
Stock: LTG wb_incandescent
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Education & Training Services

27. Renew Holdings plc

Company Profile: Renew Holdings plc
Market Cap (USD): $945.8 M
Stock: RNWH wb_incandescent
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

28. Serica Energy plc

Company Profile: Serica Energy plc
Market Cap (USD): $937.6 M
Stock: SQZ wb_incandescent
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

29. Craneware plc

Company Profile: Craneware plc
Market Cap (USD): $912.8 M
Stock: CRW wb_incandescent
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

30. Greencoat Renewables plc

Company Profile: Greencoat Renewables plc
Market Cap (USD): $911.3 M
Stock: GRP wb_incandescent
Country: Ireland
Sector: Irish Utilities
Industry: Irish Utilities—Independent Power Producers

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