It's not clear to me exactly what they have moved, but two of my (very old) Simple IRA accounts got forcefully moved without my approval, and a 401k rollover into a self-managed IRA is still around. Not sure what the difference was exactly.
https://www.ascensus.com/about-us/press-room/news/ascensus-t...
This post was a reminder to get those moved out of Ascensus into Fidelity if possible.
