A $100B Cash Pile and Still Borrowing: SPCX Slides as the Bond Debut Exposes the Capex Bill

The Catalyst: A Bond Sale Nobody Asked For

SPCX's third straight down session lines up cleanly with SpaceX launching its debut $20 billion bond offering on June 22, a senior unsecured notes deal that lands barely ten days after the largest IPO in history priced at $135. The notes carry investment-grade ratings — Moody's Baa1, Fitch BBB+, S&P BBB and exist mostly to refinance the bridge loan from SpaceX's February merger with xAI. On paper, this is housekeeping. The problem is the disclosure that rode along with it: SpaceX sat on roughly $100.8 billion in cash as of June 19 and is *still* reaching for another $20 billion of debt. Investment-grade paper doesn't usually trigger a selloff — but a balance sheet this flush going back to the market for more is exactly the kind of signal that makes shareholders ask what they missed.

Why $100 Billion in Cash Stopped Reassuring Anyone

A company borrowing while sitting on a nine-figure cash pile only makes sense if the spend ahead dwarfs both — and that is exactly the math the market ran this week. Analysts at Goldman Sachs and Evercore ISI project capex above $1 trillion by 2031, with Oppenheimer modeling net debt near $400 billion. On top of that, SpaceX has layered a $6.3 billion AI infrastructure deal with Reflection AI onto a $60 billion all-stock bid for Cursor. Stack it up and the $75 billion raised at IPO plus $100.8 billion in cash suddenly reads less like a fortress and more like a down payment on Musk's combined space, Starlink, and AI roadmap. Simply Wall St went as far as flagging less than a year of cash runway against that spend. The bond isn't the disease — it's the first hard confirmation that the IPO windfall has a shelf life.

The Setup: A 4% Float Doing All the Work

None of this plays out cleanly, because only about 4% of SpaceX trades freely — the other 96% is locked up, and that thinness cuts both directions. It powered the run from the $135 IPO to a $225.64 peak on June 16, and now it's amplifying the reversal: at $150.50, SPCX has round-tripped roughly a third of that move and shed most of its post-IPO gains. A book this thin leaves the $135 IPO price as the next real reference point below. The larger overhang is supply: a 28% tranche unlocks after the Q3 earnings report and the full remainder at 180 days, meaning the float that drove this volatility is set to widen at exactly the moment the debt and capex questions are still open. The perp's $1.2 billion in 24h volume says traders are leaning into that uncertainty, not waiting it out.