Here's a recent article that shows relative marketshares: https://www.vox.com/recode/2019/7/11/20688108/postmates-acquisition-ipo-doordash-walmart-uber https:/

Here's a recent article that shows relative marketshares: https://www.vox.com/recode/2019/7/11/20688108/postmates-acquisition-ipo-doordash-walmart-uber https://www.vox.com/recode/2019/7/11/20688108/postmates-acqu... Looks like Doordash doubled its US marketshare in the last year mostly at Grubhub's expense while others have remained more or less flat.