FYI: Here are the 10 largest robo-advisers based on their assets under management as of the third quarter. The data are from the third-quarter version of the 2018 Robo Report compiled by BackendBenchmarking.
Regards,
Ted
https://www.investmentnews.com/gallery/20181107/FREE/110709999/PH1. Vanguard Personal Advisor Services
2. Schwab Intelligent Portfolio Products
3. TD Ameritrade Selective and Essential Portfolios
4. Betterment
5. Wealthfront
6. Personal Capital
7. FutureAdvisor
8. Acorns
9. United Income
10. T. Rowe Price ActivePlus Portfolios