Of Arianaspace, Blue Origin, Rocketlab, SpaceX, United Launch Alliance: only Rocketlab is publicly traded.
As in Ariane Space, wholly owned by Airbus SAS (ex EADS) and listed on Euronext Paris, FWB, CAC 40, DAX and Euro Stoxx 50?
In the same vain, indices / trackers are not exchanges.
Of Arianaspace, Blue Origin, Rocketlab, SpaceX, United Launch Alliance: only Rocketlab is publicly traded.