SpaceX Plans $20 Billion Investment-Grade Bond to Refinance xAI Merger Debt

SpaceX is preparing its first-ever investment-grade dollar bond offering, worth $20 billion, in the same week it received ratings from all three major credit agencies.

The purpose is straightforward: replace the $20 billion bridge loan SpaceX obtained from Bank of America, Citigroup, JPMorgan Chase, Goldman Sachs, and Morgan Stanley when it acquired xAI in February 2026. That merger, valued at $1.25 trillion, was described by CNBC as the largest corporate combination in history. The bridge loan matures in September 2027, and SpaceX, in thirty years of operation, has never issued investment-grade dollar bonds before. The timing lands exactly one week after the company completed a record $75 billion Nasdaq IPO.

Three Rating Agencies, One Day, One Answer

Moody’s gave Baa1, Fitch gave BBB+, and S&P came in at BBB. All three agencies handed out investment-grade ratings on the same day for a company that posted a $4.28 billion net loss on $4.69 billion revenue in Q1 2026. Nearly every dollar earned went right back out.

What gave the agencies confidence was cash-flow visibility, not profitability. Two long-term contracts underpin the rating: a $30 billion cloud compute agreement with Alphabet running through mid-2029, and a $45 billion three-year AI infrastructure deal with Anthropic. Together those contracts represent $75 billion in contracted future revenue. Rating agencies assess repayment capacity; SpaceX cleared that bar on the strength of these two agreements.

The Financial Picture After the xAI Merger

SpaceX absorbed xAI in February in a transaction observers called the biggest merger of all time. Since then, public disclosure about integration progress has been minimal.

What is visible from the outside: all 11 xAI co-founders had departed by March 2026, and Musk later acknowledged the AI division “wasn’t built right the first time.” SpaceX acquired AI coding assistant Cursor for $60 billion on June 17, signaling the company’s AI product line still needs external acquisitions to fill gaps.

SpaceX also holds 18,712 Bitcoin on its balance sheet, worth approximately $1.29 billion at Q1 valuations against an original cost of $661 million. The paper gain is roughly $630 million. Total long-term debt sits at $29.1 billion, with the bridge loan accounting for most of it.

What the Bond Market Debut Signals

The five underwriting banks are the same institutions that provided the original bridge loan. That is deliberate: those banks know the company’s financials most intimately and have the strongest incentive to get the deal done.

Markets were not entirely convinced. SpaceX shares dropped 6% on the day the bond offering was announced, just one week after the company completed the largest IPO in history at $135 per share, pushing its valuation above $2 trillion. According to Yahoo Finance, analysts expect a successful issuance to lower SpaceX’s borrowing costs over time and open capacity for further AI infrastructure expansion. CryptoBriefing reports the company’s total long-term debt stands at $29.1 billion, dominated by the bridge loan it now seeks to convert.

A $20 billion bond from SpaceX is effectively a public referendum on whether investors believe the xAI integration is on track. The result will tell the market something the company has not disclosed directly.

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Related reading:

• SpaceX Acquires Cursor for $60 Billion Four Days After IPO
• SpaceX IPO: The Market Bets $1.75 Trillion on AI Compute
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