In the context of the input sentence, determine the relationship between 'Fiserv' and 'Nasdaq'.
Options: subsidiary, original broadcaster, stock exchange, legal form

Investors include Visa Inc., V -1.32 % Nasdaq Inc., Citi Ventures , C -1.49 % Capital One Financial Corp. COF -1.21 % , Fiserv Inc. FISV -1.69 % and Orange SA ORAN -1.13 % .
stock exchange