SpaceX, the Largest IPO, Fell Below Its Offer Price in Seven Weeks

On the morning of June 12, 2026, SpaceX shares began trading at $135, raising roughly $75 billion — the largest IPO ever completed.

The opening print put market cap near $1.8 trillion; the stock finished its first session at $161, up 19%.

Four trading days later, on June 16, the shares traded as high as $225.64 intraday, 67% above the offer price. For a brief stretch SpaceX was worth more than Amazon and Microsoft.

By the end of July the same stock was below $110.

This piece is not about whether SpaceX is a good company. It is about a stock losing more than half its value in seven weeks while almost nothing about the business changed.

How an Offer Price Is Set

An IPO price is not discovered in the market: the company and its underwriters set it after weeks of conversations with institutional investors.

The objective is self-contradictory. The issuer wants to raise as much as possible; the banks want a stock that trades up on day one. A broken deal means the institutions they allocated to were handed damaged goods.

So the offer price is left deliberately a little cheap; a 15% to 20% first-day gain is treated as a well-executed deal.

Why the Offering Itself Was So Large

Seventy-five billion dollars is an enormous amount to pull from the market at once. But the free float — the share that actually circulates — is typically small in deals like this.

Against a $1.8 trillion valuation, $75 billion is roughly 4% of the equity.

The consequence is direct: when the float is thin, a buy order of a given size moves the stock much further. More detail: Market Cap, Free Float and Stock Splits

That is why IPOs move so violently in their first weeks: the company does not change, the ground the price stands on is thin. There is also no shared view of what the stock is worth — no year of trading history, no four quarters of comparable results, no analyst consensus to anchor to.

The price forms in a window where narrative substitutes for conviction.

The July decline was not specific to SpaceX: the same weeks brought a sharp sell-off across artificial intelligence and semiconductor names.

What explains the gap is not the company but the thinness of the ground the price stood on.

What the Sell Side Said

CFRA initiated coverage with a sell rating and a 12-month target of $115, below the offer price itself. It cited three points: an aggressive growth plan, a demanding valuation, and capital intensity.

That last item matters most: launching rockets, building a satellite network and running factories is not like selling software, and growth requires continuous, heavy investment.

In businesses like this profit arrives well behind revenue growth, and free cash flow can stay negative for years.

How Much of the July Decline Belongs to the Company

When a stock halves in seven weeks the first instinct is to assume something broke. Nothing did: no earnings release, no cancelled contract, no operational announcement that would justify a rerating.

Part of the decline came from the market as a whole; the rest was the first weeks' enthusiasm draining away. The $225 print came from a thin order book, not a settled view of value.

The distinction matters because the two prompt different questions: a company-specific decline asks whether the thesis broke, a structural one asks what the price was reflecting in the first place.

Two Readings

Both columns can be true at once. What separates them is the time horizon over which each turns out right.

The Lock-Up Has Not Expired Yet

Founder and employee shares typically cannot be sold for 90 to 180 days; when that window closes the number of tradable shares jumps and supply pressure follows.

SpaceX's lock-up had not expired at the time of writing: the base that sets the price is still thin, and it will thicken in the months ahead.

Lock-up expiration does not mean a wave of selling but an increase in tradable shares; the two are routinely confused. As the float grows the arithmetic reverses: an order of the same size moves the price less, because the book is deeper.

So expiry creates supply pressure in the short run and calms the price over the medium term. The date to mark alongside a new listing's first earnings report is the day the lock-up ends: together they form the threshold where price moves from narrative to conviction.

The Lesson: A New Stock's Price Is Not a Verdict

The number that appears when a company goes public is not the market's conclusion about the business. The price you see in the first weeks is a range produced in a thin order book, where short-horizon buyers and sellers meet.

The subject happened to be SpaceX, but the lesson applies to every IPO. Neither a rising first day nor a seventh week below the offer price answers what the company is worth.

For broader context: What Is a Stock? and Liquidity and Spreads

This article draws on reporting from CNBC, CNN Business and Seeking Alpha. Price and date details are compiled from publicly available news sources.

Correction (September 13, 2026): prose tightened for rhythm; figures and sources unchanged.