One customer paid DayOne nearly 70% of its revenue.

DayOne plans a Nasdaq listing raising up to $5bn at roughly $20bn.

Sources say the customer is ByteDance, which committed 838 megawatts across Malaysia, Thailand and Finland.

Its share of committed 2027 contracts falls below 50%, those sources say.

DayOne lost $77.2 million in the first half of 2026.

How each outlet framed it
Zhidx
reports via The Information that ByteDance is the anonymous client behind about 70% of DayOne's revenue, and maps its SIJORI cross-border model

Sources: Zhidx