Spain

Top 139 largest Spanish Companies by Market Cap

This is the list of the largest public listed companies from Spain by market capitalization with links to their reference stock, sector and industry.

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Top Companies from Spain as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Industria de Diseño Textil, SA $206.20 B Spain Spanish Consumer Discretionary Spanish Apparel Retail
2 Banco Santander, SA $176.84 B Spain Spanish Financials Spanish Banks—Diversified
3 Iberdrola, SA $146.18 B Spain Spanish Utilities Spanish Utilities—Diversified
4 Banco Bilbao Vizcaya Argentaria, SA $136.54 B Spain Spanish Financials Spanish Banks—Diversified
5 CaixaBank, SA $87.45 B Spain Spanish Financials Spanish Banks—Regional
6 Ferrovial, SA $46.57 B Spain Spanish Industrials Spanish Infrastructure Operations
7 Aena S.M.E., SA $39.11 B Spain Spanish Industrials Spanish Airports & Air Services
8 Endesa, SA $37.95 B Spain Spanish Utilities Spanish Utilities—Regulated Electric
9 Amadeus IT Group, SA $31.77 B Spain Spanish Technology Spanish Information Technology Services
10 Naturgy Energy Group, SA $29.10 B Spain Spanish Utilities Spanish Utilities—Regulated Gas
11 International Consolidated Airlines Group, SA $25.85 B Spain Spanish Industrials Spanish Airlines
12 ACS, Actividades de Construcción y Servicios, SA $25.72 B Spain Spanish Industrials Spanish Engineering & Construction
13 Telefónica, SA $23.07 B Spain Spanish Communication Services Spanish Telecom Services
14 Cellnex Telecom, SA $21.79 B Spain Spanish Communication Services Spanish Telecom Services
15 Repsol SA $21.37 B Spain Spanish Energy Spanish Oil & Gas Integrated
16 Banco de Sabadell, SA $20.16 B Spain Spanish Financials Spanish Banks—Diversified
17 EDP Renováveis, SA $15.53 B Spain Spanish Utilities Spanish Utilities—Renewable
18 Mapfre, SA $15.31 B Spain Spanish Financials Spanish Insurance—Diversified
19 Bankinter, SA $15.29 B Spain Spanish Financials Spanish Banks—Regional
20 Siemens Gamesa Renewable Energy, SA $13.41 B

(Feb. 1, 2023)

 Spain Spanish Industrials Spanish Specialty Industrial Machinery
21 Acciona, SA $12.21 B Spain Spanish Industrials Spanish Engineering & Construction
22 Indra Sistemas, SA $10.21 B Spain Spanish Technology Spanish Information Technology Services
23 Red Eléctrica Corporación, SA $9.70 B Spain Spanish Utilities Spanish Utilities—Regulated Electric
24 Grifols, SA $8.95 B Spain Spanish Healthcare Spanish Drug Manufacturers—General
25 Unicaja Banco, SA $8.55 B Spain Spanish Financials Spanish Banks—Regional
26 MERLIN Properties SOCIMI, SA $8.15 B Spain Spanish Real Estate Spanish REIT—Diversified
27 Grupo Catalana Occidente, SA $6.24 B Spain Spanish Financials Spanish Insurance—Diversified
28 Fomento de Construcciones y Contratas SA $6.19 B Spain Spanish Industrials Spanish Waste Management
29 Fluidra, SA $5.24 B Spain Spanish Industrials Spanish Specialty Industrial Machinery
30 Corporación Financiera Alba, SA $5.10 B

(Jan. 1, 2025)

 Spain Spanish Financials Spanish Asset Management

Top Companies from Spain as of Jan. 01, 2026

1. Inditex

Company Profile: Industria de Diseño Textil, SA
Market Cap (USD): $206.20 B
Country: Spain
Sector: Spanish Consumer Discretionary
Industry: Spanish Apparel Retail

2. Santander

Company Profile: Banco Santander, SA
Market Cap (USD): $176.84 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Diversified

3. Iberdrola, SA

Company Profile: Iberdrola, SA
Market Cap (USD): $146.18 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Diversified

4. Banco Bilbao Vizcaya Argentaria, SA

Company Profile: Banco Bilbao Vizcaya Argentaria, SA
Market Cap (USD): $136.54 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Diversified

5. CaixaBank, SA

Company Profile: CaixaBank, SA
Market Cap (USD): $87.45 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Regional

6. Ferrovial, SA

Company Profile: Ferrovial, SA
Market Cap (USD): $46.57 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Infrastructure Operations

7. Aena S.M.E., SA

Company Profile: Aena S.M.E., SA
Market Cap (USD): $39.11 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Airports & Air Services

8. Endesa, SA

Company Profile: Endesa, SA
Market Cap (USD): $37.95 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Regulated Electric

9. Amadeus IT Group, SA

Company Profile: Amadeus IT Group, SA
Market Cap (USD): $31.77 B
Country: Spain
Sector: Spanish Technology
Industry: Spanish Information Technology Services

10. Naturgy Energy Group, SA

Company Profile: Naturgy Energy Group, SA
Market Cap (USD): $29.10 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Regulated Gas

11. International Consolidated Airlines Group, SA

Company Profile: International Consolidated Airlines Group, SA
Market Cap (USD): $25.85 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Airlines

12. ACS, Actividades de Construcción y Servicios, SA

Company Profile: ACS, Actividades de Construcción y Servicios, SA
Market Cap (USD): $25.72 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Engineering & Construction

13. Telefónica, SA

Company Profile: Telefónica, SA
Market Cap (USD): $23.07 B
Country: Spain
Sector: Spanish Communication Services
Industry: Spanish Telecom Services

14. Cellnex Telecom, SA

Company Profile: Cellnex Telecom, SA
Market Cap (USD): $21.79 B
Country: Spain
Sector: Spanish Communication Services
Industry: Spanish Telecom Services

15. Repsol SA

Company Profile: Repsol SA
Market Cap (USD): $21.37 B
Country: Spain
Sector: Spanish Energy
Industry: Spanish Oil & Gas Integrated

16. Banco de Sabadell, SA

Company Profile: Banco de Sabadell, SA
Market Cap (USD): $20.16 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Diversified

17. EDP Renováveis, SA

Company Profile: EDP Renováveis, SA
Market Cap (USD): $15.53 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Renewable

18. Mapfre, SA

Company Profile: Mapfre, SA
Market Cap (USD): $15.31 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Insurance—Diversified

19. Bankinter, SA

Company Profile: Bankinter, SA
Market Cap (USD): $15.29 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Regional

20. Siemens Gamesa Renewable Energy, SA

Company Profile: Siemens Gamesa Renewable Energy, SA
Market Cap (USD): $13.41 B (Feb. 1, 2023)
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Specialty Industrial Machinery

21. Acciona, SA

Company Profile: Acciona, SA
Market Cap (USD): $12.21 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Engineering & Construction

22. Indra Sistemas, SA

Company Profile: Indra Sistemas, SA
Market Cap (USD): $10.21 B
Country: Spain
Sector: Spanish Technology
Industry: Spanish Information Technology Services

23. Red Eléctrica Corporación, SA

Company Profile: Red Eléctrica Corporación, SA
Market Cap (USD): $9.70 B
Country: Spain
Sector: Spanish Utilities
Industry: Spanish Utilities—Regulated Electric

24. Grifols, SA

Company Profile: Grifols, SA
Market Cap (USD): $8.95 B
Country: Spain
Sector: Spanish Healthcare
Industry: Spanish Drug Manufacturers—General

25. Unicaja Banco, SA

Company Profile: Unicaja Banco, SA
Market Cap (USD): $8.55 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Banks—Regional

26. MERLIN Properties SOCIMI, SA

Company Profile: MERLIN Properties SOCIMI, SA
Market Cap (USD): $8.15 B
Country: Spain
Sector: Spanish Real Estate
Industry: Spanish REIT—Diversified

27. Grupo Catalana Occidente, SA

Company Profile: Grupo Catalana Occidente, SA
Market Cap (USD): $6.24 B
Country: Spain
Sector: Spanish Financials
Industry: Spanish Insurance—Diversified

28. Fomento de Construcciones y Contratas SA

Company Profile: Fomento de Construcciones y Contratas SA
Market Cap (USD): $6.19 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Waste Management

29. Fluidra, SA

Company Profile: Fluidra, SA
Market Cap (USD): $5.24 B
Country: Spain
Sector: Spanish Industrials
Industry: Spanish Specialty Industrial Machinery

30. Corporación Financiera Alba, SA

Company Profile: Corporación Financiera Alba, SA
Market Cap (USD): $5.10 B (Jan. 1, 2025)
Country: Spain
Sector: Spanish Financials
Industry: Spanish Asset Management

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