Prism Financial

SpaceX has joined the Nasdaq-100, a major stock market index that tracks many of the largest nonfinancial companies listed on Nasdaq.

The move could make the company a holding in more index-based funds, including some funds used in retirement accounts.

Index inclusion can matter because index-tracking funds may need to add shares of a newly included company. That can affect demand for the stock, though it does not guarantee future performance.

The company recently went public and has seen notable stock-price movement since its initial public offering.

The broader takeaway is that index changes can indirectly affect what investors own, especially through mutual funds, exchange-traded funds, and retirement account holdings.

For investors, this is a reminder to understand what is inside the funds they own—not just the name of the index or account.

SpaceX joins the Nasdaq 100, clearing way for potential investment influx. Here's what to know The move could add the Elon Musk-led firm to many retirement portfolios.