Your 401(k) Bought SpaceX Today–Whether You Wanted It or Not

What happens when a $2 trillion money-losing company joins a major index after only 15 days? Plenty.

KEY TAKEAWAYS

• SpaceX became the fastest company ever to join the Nasdaq-100 after its IPO because of a new rule allowing top-40 market-cap companies to enter after just 15 trading days. The change forced index funds to purchase billions of dollars of shares regardless of valuation.

• Millions of retirement investors now indirectly own SpaceX through Nasdaq-100 funds and target-date retirement plans. Most received this exposure automatically without making an active investment decision.

• The S&P 500 deliberately rejected adopting similar fast-track inclusion rules. Its existing profitability, float, and seasoning requirements kept SpaceX out of the index for now.

• SpaceX presents both an exciting growth narrative and meaningful valuation risks. Strong businesses such as Starlink and launch services compete against heavy losses, limited public float, and premium pricing.

• The episode highlights that passive investing follows index methodologies rather than independent investment analysis. Changes to index rules can materially alter investor exposure without investors taking any action.

MY HOT TAKES

• Index construction deserves as much scrutiny as stock selection. The rules governing inclusion increasingly shape where trillions of investment dollars are allocated.

• Passive investing is not entirely passive because someone actively designs the methodology behind every index. Investors should understand those rules instead of assuming every index represents the market in the same way.

• Automatic buying pressure can temporarily overwhelm traditional valuation analysis. Mechanical demand should not be confused with fundamental conviction.

• Extraordinary companies can still become poor investments if purchased at excessive valuations. Price remains an essential part of every investment decision.

• Investors should recognize that seemingly similar index funds may follow very different philosophies. The differences between Nasdaq-100 and S&P 500 methodologies are becoming increasingly meaningful.

• You can quote me: “The biggest risk in passive investing may no longer be the companies… it may be the people writing the indexes.”

The final frontier. Cue the music. If you are reading this and you understand the tagline 👈 and first three lines of this post/newsletter, you are–well–of a certain age. You are also likely to own some sort of retirement account such as an IRA or a 401(k). You learned to save as much as you could, as often as you could. No one is judging you–I know it is not always easy with what curve-balls life tosses our way. Life changes, expanding families, job changes…and yeah the occasional splurge, because YOLO.

So, you saved a bit, you followed your broker’s advice–some of it worked out and some, maybe not so much, but eventually you settled in and realized that long-term focus yields the greatest and most consistent returns. At some point you discovered mutual funds and ETFs and learned that passive investing did a pretty darn good job at growing your wealth.

You learned to trust the system. Nothing too crazy. Well, there was that time that you bought the Facebook-now-Meta-soon-to-be-who-knows, because you were feeling lucky, and your grandkids were mostly impressed. That last part was the greatest return you got from the IPO as the stock was literally under water for years. BUT, you held on, and your persistence ultimately paid off. Solid management and good products ultimately won out. You also pledged never to get involved in a popular IPO again. You did just fine owning your SPY or your QQQ (S&P 500 and Nasdaq 100 Index exchange traded funds), or your moderately aggressive 401(k) allocation. Those all gave you ample exposure to the growth stocks that defined the great index returns of the past almost two decades.

But you just could not avoid seeing the plug-in cars, the robots, the shiny rockets, the satellites, the tunnels, and–yes, the Tweets (are they even still called that?). Elon Musk was unavoidable. He showed up everywhere that was associated with the future. A modern day industrialist with not just vision, but some magical ability to turn those visions into reality. Let’s leave out the part of the story where he dabbled in politics–it’s not relative to the story line. 😉

You watched Tesla spring up out of nowhere. Great products, lots of cool ideas, but no profit. The company somehow survived and its stocks exploded upward despite its lack of profits. You watched from the sidelines. Some of your friends made a lot of money with the stock, but you were satisfied with your investment returns. At least you said that out loud–you wouldn’t have minded riding the Tesla growth wave.

Then it happened. Almost out of nowhere. SpaceX rocketed onto the scene. It was pretty straight forward. They built rockets. Rockets have a very small target demographic and they tend to explode at the most inconvenient times. But they are necessary for the–well, future. They can also cart satellites into space–satellites necessary for connectivity–now a core necessity. Food, shelter, and connectivity. You might be able to make money building rockets and providing connectivity with sticky customers like governments and broadband.

SpaceX evolved into so much more, becoming the retention basin for all of its venerable founder’s projects. The word “projects” means that they lose money, but hope to make some in the future. In this case, those projects lose a LOT of money. But, no worries, many futurists are lined up and willing to fund those projects. Who wants to miss the next Apple or Microsoft? Those too were projects at one point in their lives, and they have created generational wealth. I would be remiss if I didn’t add Tesla to that list–it has certainly created wealth.

SpaceX was a private company that only existed in slide decks and on financial TV news. A nice-to-know-about thing. If you loved Elon, you invested in Tesla, but you didn’t need to. You learned your lesson with the Facebook IPO, and besides, your IRA and 401(k) were doing just fine with index ETFs. Then came the SpaceX IPO. The company's first public filing showed a money losing operation which was banking heavily on the future–mostly the far out future. One which could be very lucrative if achieved.

You decide to wait and see how it went. It went. It is now public and you can buy it, but you are doing well enough with your index ETFs. If anything you would consider buying a small token amount just in case, but you are content. You move on.

This morning, you are probably an indirect owner of SpaceX, and you probably didn’t even know it. And your exposure to it is probably larger than you would expect.

Let me explain.

On June 12, SpaceX priced its IPO at $135 per share and began trading on Nasdaq under the ticker SPCX. It immediately became the largest IPO in recorded history–raising approximately $75 billion, and after underwriters exercised their over allotment option, the final tally landed near $85.7 billion. The company hit the public markets with a valuation of $1.77 trillion. On day one, shares closed up 19%, briefly pushing the market cap above $2 trillion. The stock ran all the way to $225 at its peak before cooling off. At yesterday's close, SPCX was just around its first day’s close at $160.

Now here is where it gets interesting for you, the prudent, index-loving investor who wisely took a pass.

Nasdaq has a rule–a brand new rule, effective May 1, 2026–that allows any company ranking in the top 40 by market capitalization at the time of its IPO to join the Nasdaq-100 after just 15 trading days of public life. Fifteen. That is it. No seasoning requirement. No profitability test. No waiting period measured in quarters. Just: be enormous, show up, and count to fifteen.

SpaceX–I am sure you heard–is enormous. IPO day put it among the five largest publicly traded companies in the United States. Fifteen trading days after June 12 lands on July 7. That is today.

Before the opening bell this morning, SpaceX officially joined the Nasdaq-100. The fastest major index inclusion after an IPO in history. And because approximately $1.4 trillion in total capital tracks the Nasdaq-100 ecosystem–covering QQQ, QQQM, their leveraged siblings, and the vast majority of 401(k) plans with a "large-cap growth" or "Nasdaq" sleeve–every single one of those funds had to buy SPCX. Not because a portfolio manager made a judgment call. Not because anyone ran a discounted cash flow model and decided $160 was an attractive entry. They bought it because the index rulebook said so.

J.P. Morgan estimates the forced buying from QQQ alone at approximately $4.3 billion. Across all Nasdaq-100 and linked Russell index trackers, the total mechanical demand runs somewhere in the $22 to $27 billion range. That is not a recommendation. That is gravity.

Think about what that actually means. The Millers–our hypothetical middle-income household who diligently max out their 401(k) contributions every year and park the money in a target-date fund or a Nasdaq index option–woke up this morning owning SpaceX. They did not choose it. They did not research it. They did not decide whether a company burning $4.3 billion in a single quarter deserves a $2 trillion valuation. They simply owned a QQQ-linked fund, and now they own SpaceX too. Roughly 0.5% to 0.7% of every dollar they have in those funds just became SPCX exposure–whether they wanted that or not.

There is something philosophically interesting happening here, and I think it is worth pausing on.

The S&P 500–the gold standard index, the one your SPY and VOO track–looked at this exact situation and said no. S&P Dow Jones Indices actually ran a public consultation in May 2026 about whether to adopt a similar fast-track rule. On June 4th, they rejected their own proposal. The old rules stand: twelve months of public trading history, four consecutive quarters of GAAP profitability, a minimum 10% public float. SpaceX reported a $4.28 billion GAAP net loss in the first quarter of 2026 alone, following nearly $5 billion in losses for all of 2025. Under S&P's framework, SpaceX cannot even be considered for inclusion before mid-2027–and only then if it somehow achieves sustained profitability it has not yet demonstrated. S&P 500 holders are sitting this one out, at least for now.

Nasdaq took the other road. And critics have not been gentle about it. After all, passive index investors are being asked to buy a $2 trillion company trading at over 90 times revenue, with a 4% public float and a GAAP loss larger than most companies' entire revenues–because an index rule change that was enacted six weeks before the IPO mechanically required it. Nasdaq moved to 15 days. FTSE Russell moved to five. S&P held the line.

Now, I want to be fair here. There is a real bull case for SpaceX that is not entirely untethered from reality. Starlink–the satellite internet business–generated $11.4 billion in revenue in 2025, growing about 50% year over year, with more than 10 million active subscribers across 160 countries. The company has AI compute contracts with Anthropic worth roughly $1.25 billion a month and a similar deal with Google at $920 million a month. The launch business has about a decade's head start on every competitor. And Musk, whatever you think of him personally, has a demonstrated history of making things work that were supposed to be impossible.

But there is also a sober counter-narrative that deserves equal consideration. Every major Nasdaq-100 IPO stock over the past several decades has underperformed the S&P 500 over the long run. That is not a hot take–that is a data point. The ten largest U.S. IPO stocks in history have underperformed the S&P 500 by 96 percentage points since their listing dates. Many well-respected, independent equity analyses have placed SPCX's fair value substantially below where it trades today. The public float is only 3% to 5% of total shares outstanding–meaning the forced buying of $22 to $27 billion is colliding with a very thin supply of available stock. And the lockup expiration calendar starts to open up in August, when insiders become eligible to sell. The passive buying that lands today could easily become the exit ramp that early investors have been waiting for.

None of that means SpaceX fails. It means the question of whether this is a good investment–at this price, right now–is genuinely contested by serious people on both sides.

For your mother-in-law, who owns a QQQ-linked retirement account and did not ask for any of this: she is now a SpaceX shareholder. Her exposure is modest–half a percent or so of her Nasdaq position. It is not going to make or break her retirement. But the principle at stake is worth understanding. Passive investing's great promise was that it removed emotion and judgment from the equation. You bought the market. You trusted the market. What today illustrates is that "the market" is not a neutral collection of the best companies–it is a rulebook. And the people who write the rulebook have opinions, incentives…and maybe a few critics.

The S&P 500 held its standards. Nasdaq boldly went where none have gone before and rewrote its rules six weeks before the largest IPO in history. Both are "passive" investments. They are not the same thing.

YESTERDAY’S MARKETS

Yesterday, the S&P 500 gained 0.72%, while the Nasdaq Composite rose 1.12%, led by strength in semiconductor stocks. The Dow Jones Industrial Average added 0.29%, closing at a new record high of 53,055. The 10-year Treasury yield eased to approximately 4.47%, pulling back slightly after last week's softer-than-expected jobs report.

NEXT UP

• No major economic releases this morning, but Fed Governor Michelle Bowman will speak this morning.