Under CIP-0045 an operator above weight 2.5 has to run its own node instead of having its weight hosted elsewhere.
The Canton Foundation lists Tradeweb both among its 55 Super Validators and among its Premier Members, and the catalogue tags it Super Validator, Canton Foundation Member and Market Infrastructure.
Tradeweb builds and operates electronic marketplaces for rates, credit, equities and money markets, and it operates a Super Validator on Canton.
Tradeweb is listed on Canton as application.
You can find Tradeweb at tradeweb.com.
Listed on Canton as application, Tradeweb falls under Super Validator.