SoftBank Group Corp. is widening the pool of lenders for its $40 billion bridge loan, a financing vehicle that underwrites the technology conglomerate’s $30 billion follow‑on stake in OpenAI. HSBC, BNP Paribas and Italy’s Intesa Sanpaolo have formally submitted commitments as sub‑underwriters, joining the original syndicate of JPMorgan Chase, Goldman Sachs, Mizuho Bank, Sumitomo Mitsui Banking Corporation and MUFG Bank.

Bloomberg reports the loan, signed on March 27, 2026, is unsecured and carries a 12‑month term that expires on March 26, 2027. The facility was designed as a short‑term bridge, giving SoftBank the liquidity to fund its Vision Fund 2 contribution to OpenAI’s $110 billion funding round, which valued the artificial‑intelligence firm at $852 billion. SoftBank’s total exposure to OpenAI now stands at roughly $64.6 billion.

Unlike a traditional margin loan, the bridge carries no specific collateral. Lenders are betting on SoftBank’s overall credit rating and, implicitly, on a forthcoming liquidity event—most analysts expect an OpenAI initial public offering in the fourth quarter of 2026. The loan’s maturity aligns with that timeline, suggesting the original underwriters and the new European participants anticipate the IPO will generate enough cash to retire the debt.

Credit rating agency S&P flagged a concentration risk in March, noting that OpenAI could represent about 30 percent of SoftBank’s portfolio. A delay or cancellation of the IPO would force SoftBank to refinance the loan under less favorable terms, potentially triggering a downgrade. The firm is reportedly exploring a separate $10 billion margin loan backed by its OpenAI shares, further highlighting the aggressive financing strategy behind its AI ambitions.

The entry of HSBC, BNP Paribas and Intesa Sanpaolo signals that European banks are willing to share the risk. Their participation expands the syndicate’s geographical reach, incorporating major U.S., Japanese and European institutions. Market observers interpret the broadened lender base as a vote of confidence not only in SoftBank’s ability to manage its exposure but also in the broader AI boom that OpenAI epitomizes.

SoftBank’s financing maneuvers are among the most leveraged bets on a single private company in recent memory. The $40 billion bridge, combined with the potential margin loan, creates a financial structure that resembles a high‑stakes margin call: the company can continue to increase its OpenAI stake without liquidating other assets, assuming the IPO will deliver a windfall large enough to settle the debt comfortably.

As the syndication moves from a “soft‑launch” phase into full distribution, the banking community will watch closely for any shifts in OpenAI’s IPO timetable. A successful listing could validate the loan’s design and the willingness of lenders to back AI‑centric deals. Conversely, a postponement would test SoftBank’s refinancing options and could reshape the risk calculations for banks that have now placed significant capital on the table.

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