SpaceX went public on the Nasdaq on June 12, 2026, priced at $135 a share, and closed its first day around $160.95, up roughly 19%. If you’re an employee or former employee with vested shares, the question on your mind probably isn’t about the headlines. It’s simpler: should you sell, hold, or do something in between?
There’s no universal answer, and anyone telling you there is hasn’t seen your full financial picture. What follows is a framework for thinking it through based on your own risk tolerance, not a prediction about where the stock goes next.
A Few Facts Worth Knowing
The IPO raised about $75 billion, one of the largest in history, with roughly 555.6 million shares offered. The public float, the portion of shares actually available to trade, is only around 4 to 5% of the company’s total shares outstanding. That’s a small float for a company this size, which can mean sharper price swings than you’d see in a more widely held stock. Elon Musk retains voting control through a dual-class share structure, and the company reported a GAAP loss in its IPO filing despite strong revenue growth.
On taxes: historically, SpaceX has been known for using equity structures that differ from the double trigger RSUs common at many late-stage private companies, where no tax is owed until a liquidity event occurs. If your shares vested and were taxed as ordinary income before this IPO, regardless of whether you could sell them yet, that changes your cost basis and your tax math going forward. It’s worth confirming your specific situation against your own grant documents rather than assuming, since equity structures can vary by grant and by when you joined.
On timing, some employee and early-investor shares may become eligible for sale following the company’s first earnings release as a public company, with broader lockup expirations following later in 2026. Confirm your exact eligibility dates with HR or your equity plan administrator before making any plans around them.
A Risk-Based Framework
Instead of trying to time the stock, ask yourself these questions:
How much of your net worth is tied up in SpaceX shares right now? If it’s a small slice of a diversified portfolio, the stakes of any single decision are lower. If it’s a large share of your net worth, including your future paycheck, that’s concentration risk regardless of how the stock performs from here.
Would you buy this much SpaceX stock today, in cash, if you didn’t already own it? This is the classic test for concentration risk. If the answer is no, that’s a signal worth taking seriously, independent of whether you think the stock will go up or down.
Do you need this money in the next few years, or is it long-term? Money you’ll need soon, for a home, for retirement starting shortly, for any major goal, generally shouldn’t be sitting in a single volatile stock no matter how much you believe in the company.
What does selling actually cost you in taxes? If your shares already vested and were taxed as ordinary income, selling now mainly triggers capital gains on appreciation since vesting, not a second round of ordinary income tax. That’s a very different calculation than people often assume, and it’s worth running the actual numbers before deciding.
Are you actually eligible to sell yet? Lockup restrictions are real, and selling before you’re permitted to can create its own problems. Confirm your dates before building a plan around them.
Don’t Let the Tax Tail Wag the Dog
It’s tempting to hold a stock longer than you’re actually comfortable with simply because selling triggers a tax bill. That’s a real cost, and it’s worth planning around, but it shouldn’t be the deciding factor on its own.
If you wouldn’t be comfortable holding this much of any single, volatile stock as a significant share of your net worth, regardless of which company it was, then taxes are a reason to plan the sale thoughtfully, not a reason to avoid selling altogether. A tax bill is a one-time cost. Riding a concentrated position down because you didn’t want to pay it is a risk that compounds. The goal isn’t to minimize taxes at any cost. It’s to make a decision you’d be comfortable with even if the stock dropped 50% the day after you decided not to sell.
The Bottom Line
The decision that matters most isn’t whether SpaceX stock goes up or down from here, and it isn’t purely a tax question either. It’s how much of your financial life you want riding on one company, and whether that amount matches how much risk you’re actually comfortable carrying once taxes are taken out of the driver’s seat. That’s a personal number, not a market call, and it’s worth a real conversation rather than a guess.
If you’d like to talk through your specific equity, your tax situation, and where your real risk tolerance sits, you can learn more about how we work and what it costs or schedule a conversation directly. If you also left California at any point during your vesting history, our guide to leaving California with equity compensation covers how that affects your tax picture.
Disclosure: This article is for general educational purposes only and does not constitute personalized tax, legal, or investment advice, and is not a recommendation to buy, sell, or hold any security, including SPCX. Facts about SpaceX’s IPO, share structure, and equity plans referenced here reflect publicly available reporting as of June 2026 and may not apply to every grant or every employee; confirm your specific situation with your own plan documents. Before making any decision about concentrated stock or tax planning, consult a qualified tax professional, attorney, and a fiduciary financial advisor who can evaluate your complete financial picture. Inclinevest LLC is a fee-only, fiduciary registered investment advisor. Nothing in this article should be construed as investment advice or a guarantee of any particular outcome.
