SoftBank: AI deals, investors and valuation

SoftBank completes its acquisition of DigitalBridge, the digital infrastructure and data center manager, announced in December 2025.

SoftBank increased its margin loan backed by Arm shares by $5bn to $25bn, people familiar said.

SoftBank sought a $10bn margin loan backed by its OpenAI stake; later reports say it closed in August with Goldman, JPMorgan, Mizuho, Apollo and SMBC.

JPMorgan, Goldman Sachs, Mizuho, SMBC and MUFG lent SoftBank $40bn, mainly to fund its $30bn follow-on OpenAI investment via Vision Fund 2 — its largest dollar loan ever.

SoftBank co-leads the $110 billion round at $730 billion pre-money with an additional $30 billion.

Skild AI (foundation models for robots) raises about $1.4 billion at over $14 billion, more than triple May 2025. SoftBank leads with Nvidia; Macquarie, 1789 Capital and Bezos Expeditions participate.

SoftBank sold its entire Nvidia stake for $5.83bn; with T-Mobile share sales and the Arm margin loan it funds its $22.5bn OpenAI commitment.

SoftBank sought $5bn more in margin loans backed by Arm shares to fund OpenAI; the facility later reached $20bn ($8.5bn drawn by Nov 2025).

SoftBank acquires 100% of ABB's robotics division ($2.3 billion in revenue), subject to approvals in the EU, China and the US.

SoftBank buys $2 billion of Intel shares at $23 each.

SoftBank (via Vision Fund 2) commits up to $30 billion of the $40 billion round at a $300 billion post-money valuation; second closing of $22.5 billion completed on 26/12/2025, ~11% stake.

SoftBank acquires Arm-based server CPU designer Ampere Computing, now a wholly owned subsidiary.

SoftBank commits to spend $3 billion a year to use OpenAI solutions across its companies; the SB OpenAI Japan JV is created to sell 'Crystal Intelligence' to Japanese businesses.

Stargate launched at the White House: up to $500 billion of US AI infrastructure by 2029, $100 billion immediately. According to The Information, SoftBank commits $19 billion (~40%); Masayoshi Son chairman.