I don’t think he holds his own keys.
Discussion
Sauce?
Most of it is owned by MSFT, a publicly traded corporation. I have not heard any report of them using self custody. Most likely, it’s held by Coinbase or some other custodial giant.
*MSTR not MSFT 🤣
They use Coinbase as custodian, it's reported in their stock annual report
They also use Fidelity.
