LSEG Workspace (formerly Refinitiv Workspace) (available at Barcelona and Madrid Libraries, or limited licenses for desktop application or web access). To load a company profile, type the company’s name or ticker into the main search bar. Then, on the company's profile page, click on the ‘Price & Charts’ tab, select ‘All Quotes’, and then ‘Exchanges’.
Bloomberg Terminal provides comprehensive financial data, including stock index memberships. Type the company’s ticker symbol, press <EQUITY>, then type WGT (Index Weightings) and press <GO>. You will see the indices in which your company is included. For example: AAPL US <EQUITY> WGT <GO>
Capital IQ : Enter the company name in the search box. Then, on the company's page, click Equity Listings on the left menu.
See FAQ: Equity Index: Constituents
