Concentration of Bitcoin ownership challenges the foundational idea of a decentralized cryptocurrency network.

Bernstein analysts predict MicroStrategy will own 4% of the total bitcoin supply by the end of 2033, an amount they expect to be worth about $830 billion.

Bernstein raised its MicroStrategy price target to $600 from $290.Broker Canaccord also increased its price target for the software company, to $510 from $300.The shares rose over 6% in early trading Monday.