SoftBank’s OpenAI Valuation Boost Masks Liquidity Shortfall

SoftBank is set to report a net profit of ¥236 billion for Q1 FY2026 after a revaluation that places its 11% stake in OpenAI at about $80 billion as of the end of March 2026. Lenders trimmed a proposed $10 billion margin loan to $6 billion and S&P Global Ratings revised SoftBank’s outlook to negative, citing possible deterioration in asset liquidity.

The $80 billion valuation for the 11% stake is about 47% higher than the $54.4 billion valuation at the end of 2025. That figure reflects a funding round that priced OpenAI at $840 billion. OpenAI remains a private company with no public market price discovery; its value is set by recent investor commitments.

SoftBank secured a $40 billion bridge loan in March 2026 to help meet funding needs. The group proposed using part of its OpenAI holding as collateral for a $10 billion margin loan, but lenders expressed concern over valuation risk for the private stake and insisted on reducing the facility to $6 billion.

S&P Global Ratings changed the company’s outlook to negative, pointing to the concentration of illiquid assets and the risk those assets pose to SoftBank’s ability to raise cash quickly. Company filings show an estimated funding need of about $25 billion for 2026.

SoftBank has disclosed about $30 billion of additional obligations to OpenAI and $16 billion earmarked for a project called Stargate. The company’s balance sheet remains heavily weighted toward private holdings that lack ready market liquidity.

The $40 billion bridge loan provides temporary relief, while the reduced margin facility lowers the company’s immediate liquidity cushion. Analysts and ratings agencies are set to monitor SoftBank’s refinancing plans and its ability to meet announced commitments in the months ahead.