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FTSE AIM UK 50
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Top FTSE AIM UK 50 Companies by Market Cap and Stocks in 2024

This is the list of the largest public listed companies in the FTSE AIM UK 50 index ranked by market capitalization, together with links to their reference stock, sector and industry.

FTSE AIM UK 50 Chart & Analysis

Top FTSE AIM UK 50 Companies Ranking by Market Cap as of Jan. 1, 2024

Ranking Company Stock Market Cap (USD) Country Sector Industry
1 Abcam plc ABC wb_incandescent $3.58 B

(Dec. 1, 2022)

United Kingdom Healthcare Biotechnology
2 Jet2 plc JET2 wb_incandescent $3.41 B United Kingdom Consumer Discretionary Travel Services
3 Secure Income REIT Ord SIR wb_incandescent $1.81 B

(July 1, 2022)

United Kingdom Real Estate REIT—Diversified
4 Keywords Studios plc KWS wb_incandescent $1.67 B Ireland Communication Services Electronic Gaming & Multimedia
5 Blue Prism Group plc PRSM wb_incandescent $1.66 B

(March 1, 2022)

United Kingdom Technology Software—Infrastructure
6 Smart Metering Systems plc SMS wb_incandescent $1.65 B United Kingdom Industrials Electrical Equipment & Parts
7 Clinigen Group plc CLIN wb_incandescent $1.61 B

(April 1, 2022)

United Kingdom Healthcare Medical Distribution
8 Fevertree Drinks plc FEVR wb_incandescent $1.56 B United Kingdom Consumer Staples Beverages—Non-Alcoholic
9 CVS Group plc CVSG wb_incandescent $1.53 B United Kingdom Consumer Discretionary Personal Services
10 Gamma Communications plc GAMA wb_incandescent $1.40 B United Kingdom Communication Services Telecom Services
11 RWS Holdings plc RWS wb_incandescent $1.19 B United Kingdom Industrials Consulting Services
12 Sumo Group plc SUMO wb_incandescent $1.18 B

(Jan. 1, 2022)

United Kingdom Communication Services Electronic Gaming & Multimedia
13 Serica Energy plc SQZ wb_incandescent $1.14 B United Kingdom Energy Oil & Gas E&P
14 EMIS Group plc EMIS wb_incandescent $1.13 B

(July 1, 2023)

United Kingdom Healthcare Health Information Services
15 James Halstead plc JHD wb_incandescent $1.07 B United Kingdom Industrials Building Products & Equipment
16 Next Fifteen Communications Group plc NFC wb_incandescent $1.01 B United Kingdom Communication Services Advertising Agencies
17 CareTech Holdings plc CTH wb_incandescent $978.5 M

(Sept. 1, 2022)

United Kingdom Healthcare Medical Care Facilities
18 Impax Asset Management Group plc IPX wb_incandescent $898.5 M United Kingdom Financials Asset Management
19 GB Group plc GBG wb_incandescent $881.1 M United Kingdom Technology Software—Application
20 Renew Holdings plc RNWH wb_incandescent $865.4 M United Kingdom Industrials Engineering & Construction
21 Learning Technologies Group plc LTG wb_incandescent $815.5 M United Kingdom Consumer Staples Education & Training Services
22 Johnson Service Group plc JSG wb_incandescent $747.1 M United Kingdom Industrials Specialty Business Services
23 Volex plc VLX wb_incandescent $736.7 M United Kingdom Industrials Electrical Equipment & Parts
24 Young & Co.'s Brewery, plc YNGA wb_incandescent $727.6 M United Kingdom Consumer Discretionary Restaurants
25 Young & Co.'s Brewery, plc YNGN wb_incandescent $727.6 M United Kingdom Consumer Discretionary Restaurants
26 ASOS plc ASC wb_incandescent $637.5 M United Kingdom Consumer Discretionary Internet Retail
27 Polar Capital Holdings plc POLR wb_incandescent $600.3 M United Kingdom Financials Asset Management
28 Mortgage Advice Bureau (Holdings) plc MAB1 wb_incandescent $596.4 M United Kingdom Financials Mortgage Finance
29 Silence Therapeutics plc SLN wb_incandescent $588.4 M

(Nov. 1, 2021)

United Kingdom Healthcare Biotechnology
30 FW Thorpe plc TFW wb_incandescent $582.3 M United Kingdom Industrials Electrical Equipment & Parts

Top FTSE AIM UK 50 Companies Ranking by Market Cap as of Jan. 1, 2024

1. Abcam plc

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

2. Jet2 plc

Company Profile: Jet2 plc
Market Cap (USD): $3.41 B
Stock: JET2 wb_incandescent
Country: United Kingdom
Sector: Consumer Discretionary
Industry: Travel Services

3. 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: Real Estate
Industry: REIT—Diversified

4. Keywords Studios plc

Company Profile: Keywords Studios plc
Market Cap (USD): $1.67 B
Stock: KWS wb_incandescent
Country: Ireland
Sector: Communication Services
Industry: Electronic Gaming & Multimedia

5. 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: Technology
Industry: Software—Infrastructure

6. Smart Metering Systems plc

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

7. 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: Healthcare
Industry: Medical Distribution

8. Fevertree Drinks plc

Company Profile: Fevertree Drinks plc
Market Cap (USD): $1.56 B
Stock: FEVR wb_incandescent
Country: United Kingdom
Sector: Consumer Staples
Industry: Beverages—Non-Alcoholic

9. CVS Group plc

Company Profile: CVS Group plc
Market Cap (USD): $1.53 B
Stock: CVSG wb_incandescent
Country: United Kingdom
Sector: Consumer Discretionary
Industry: Personal Services

10. Gamma Communications plc

Company Profile: Gamma Communications plc
Market Cap (USD): $1.40 B
Stock: GAMA wb_incandescent
Country: United Kingdom
Sector: Communication Services
Industry: Telecom Services

11. RWS Holdings plc

Company Profile: RWS Holdings plc
Market Cap (USD): $1.19 B
Stock: RWS wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Consulting Services

12. 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: Communication Services
Industry: Electronic Gaming & Multimedia

13. Serica Energy plc

Company Profile: Serica Energy plc
Market Cap (USD): $1.14 B
Stock: SQZ wb_incandescent
Country: United Kingdom
Sector: Energy
Industry: Oil & Gas E&P

14. 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: Healthcare
Industry: Health Information Services

15. James Halstead plc

Company Profile: James Halstead plc
Market Cap (USD): $1.07 B
Stock: JHD wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Building Products & Equipment

16. Next Fifteen Communications Group plc

Company Profile: Next Fifteen Communications Group plc
Market Cap (USD): $1.01 B
Stock: NFC wb_incandescent
Country: United Kingdom
Sector: Communication Services
Industry: Advertising Agencies

17. 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: Healthcare
Industry: Medical Care Facilities

18. Impax Asset Management Group plc

Company Profile: Impax Asset Management Group plc
Market Cap (USD): $898.5 M
Stock: IPX wb_incandescent
Country: United Kingdom
Sector: Financials
Industry: Asset Management

19. GB Group plc

Company Profile: GB Group plc
Market Cap (USD): $881.1 M
Stock: GBG wb_incandescent
Country: United Kingdom
Sector: Technology
Industry: Software—Application

20. Renew Holdings plc

Company Profile: Renew Holdings plc
Market Cap (USD): $865.4 M
Stock: RNWH wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Engineering & Construction

21. Learning Technologies Group plc

Company Profile: Learning Technologies Group plc
Market Cap (USD): $815.5 M
Stock: LTG wb_incandescent
Country: United Kingdom
Sector: Consumer Staples
Industry: Education & Training Services

22. Johnson Service Group plc

Company Profile: Johnson Service Group plc
Market Cap (USD): $747.1 M
Stock: JSG wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Specialty Business Services

23. Volex plc

Company Profile: Volex plc
Market Cap (USD): $736.7 M
Stock: VLX wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Electrical Equipment & Parts

24. Young & Co.'s Brewery, plc

Company Profile: Young & Co.'s Brewery, plc
Market Cap (USD): $727.6 M
Stock: YNGA wb_incandescent
Country: United Kingdom
Sector: Consumer Discretionary
Industry: Restaurants

25. Young & Co.'s Brewery, plc

Company Profile: Young & Co.'s Brewery, plc
Market Cap (USD): $727.6 M
Stock: YNGN wb_incandescent
Country: United Kingdom
Sector: Consumer Discretionary
Industry: Restaurants

26. ASOS plc

Company Profile: ASOS plc
Market Cap (USD): $637.5 M
Stock: ASC wb_incandescent
Country: United Kingdom
Sector: Consumer Discretionary
Industry: Internet Retail

27. Polar Capital Holdings plc

Company Profile: Polar Capital Holdings plc
Market Cap (USD): $600.3 M
Stock: POLR wb_incandescent
Country: United Kingdom
Sector: Financials
Industry: Asset Management

28. Mortgage Advice Bureau (Holdings) plc

Company Profile: Mortgage Advice Bureau (Holdings) plc
Market Cap (USD): $596.4 M
Stock: MAB1 wb_incandescent
Country: United Kingdom
Sector: Financials
Industry: Mortgage Finance

29. 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: Healthcare
Industry: Biotechnology

30. FW Thorpe plc

Company Profile: FW Thorpe plc
Market Cap (USD): $582.3 M
Stock: TFW wb_incandescent
Country: United Kingdom
Sector: Industrials
Industry: Electrical Equipment & Parts