SpaceX completed the largest initial public offering (IPO) in history on Friday, raising $85.7 billion and reaching a market valuation exceeding $2 trillion by the close of trading. This milestone positioned Elon Musk, the company’s founder and CEO, as the world’s first trillionaire on paper. However, the IPO sparked considerable debate and skepticism among investors and commentators prior to its debut.

Criticism surfaced prominently on social media platforms, with some users expressing concern about the potential risks to average investors’ retirement savings. A post on a Reddit investment forum questioned how to protect parents’ retirement accounts from exposure to the SpaceX IPO. Former U.S. Labor Secretary Robert Reich labeled the offering a “Ponzi scheme,” warning that ordinary Americans might suffer losses. Another Reddit commentator compared Musk to PT Barnum, the 19th-century showman associated with the phrase, “There’s a sucker born every minute,” suggesting some investors could be misled by hype.

Despite these criticisms, the SpaceX IPO illustrates both the strengths and weaknesses of the current American capitalist system. As Musk’s personal wealth expands dramatically, SpaceX shares are now accessible to millions of investors through exchange-traded funds (ETFs) and mutual funds, which constitute a major part of many Americans’ 401(k) and other retirement portfolios. Multiple stock market indexes have adjusted their inclusion criteria to allow rapid integration of new large-cap stocks, with SpaceX expected to be added to the Nasdaq 100 by July 6.

For individual investors, direct exposure to SpaceX will generally remain limited. For example, in a fund tracking the Nasdaq 100, SpaceX is projected to account for approximately 0.6 percent of assets. An investor with $10,000 in such a fund would therefore hold about $60 worth of SpaceX stock. Nonetheless, the widespread distribution of shares means that millions of individual and institutional investors will now participate in the company’s fortunes.

The broad ownership of stock marks a significant transformation in the U.S. economy. Whereas 20th-century workers often held equity concentrated in a single employer, today’s investors typically own diversified portfolios spanning numerous companies, dispersing and concentrating risk simultaneously. This approach ties large sections of the population more closely to the overall performance of financial markets rather than the success of any single firm.

SpaceX stands as one of the most notable corporate achievements in recent decades. The company is a complex conglomerate comprising several ventures, including its core rocket business, the satellite internet service Starlink, and the artificial intelligence entity xAI. While questions persist regarding the company’s valuation, its growth prospects, and xAI’s path to profitability, these uncertainties are common across prominent tech firms.

SpaceX’s innovations in reusable rocket technology have made it the second-largest contractor for NASA. Meanwhile, its Starlink service has extended internet access to millions worldwide who previously lacked connectivity. These advances generate societal value beyond financial markets, with future benefits potentially accruing to investors through their holdings in the broader U.S. equity market.

The IPO highlights the dual nature of contemporary capitalism: while it enables extraordinary wealth accumulation for a few, it also facilitates widespread participation in market gains through diversified investments. This contrast underscores ongoing tensions around inequality and market accessibility as defining features of the 21st-century economy.