SPCX Clears $176 as the Greenshoe Lands Into a 4% Float

The Float Is the Entire Trade

The story on $SPCX isn't a headline — it's plumbing. SpaceX floated only about 4% of its shares in Friday's $135 IPO, leaving a tradable float worth somewhere near $80–85B against a market cap above $2.1 trillion. Musk still controls roughly 82.4% of the voting power and about 40% of the economics, so the overwhelming majority of shares that exist legally cannot be sold yet.

Now point passive money at that. MSCI added SpaceX to its World index on June 13, Nasdaq cleared it on a 15-trading-day fast-track, and FTSE Russell is working a five-day window. BNP Paribas pegged first-month Nasdaq-100 passive inflows near $8B, with total index demand across providers estimated around $30B. Price-insensitive buyers chasing a float this thin is the whole setup — and it's why a 7% session needs no news to justify it.

The Greenshoe Test

Here's why June 15 specifically mattered. The underwriters — Goldman Sachs and Morgan Stanley among them — exercised the full 83.33 million-share greenshoe, lifting total proceeds to a record $85.7 billion and blowing past Saudi Aramco's $29.4B mark from 2020 as the largest IPO ever.

The interesting part is what that supply did to price. A greenshoe is fresh stock hitting the tape, yet SPCX still cleared the $176.50 ceiling it had been stuck under since the $160.95 first-day close. When a book absorbs an extra 83 million shares and trades up 7% on the same day, the demand-versus-float imbalance stops being a thesis and starts being a tape read.

What Can Break It

None of this means the price is right. Morningstar fair-values SPCX near $63 — more than 60% below spot — and CFRA carries an outright Sell at $115, below the IPO price. The company posted a $4.9B net loss in 2025, and the bull case leans heavily on Musk's claim of $1 trillion in annual revenue by 2030 against Goldman's $474B and Morgan Stanley's $330B estimates for the same year.

The mechanical bid also has an expiration. Roughly 20% of insider stock unlocks after Q2 earnings around September, with the bulk of the 180-day lockup rolling off in December — the moment thin-float dynamics flip from tailwind to overhang. First earnings land September 2. Until then, the technical map points to $183.96 and $185 as the next targets, with $176.50 now the line that has to hold to keep the breakout intact.