Much like Fleetwood Mac, SpaceX … wants to be with you everywhere.

Since its explosive initial public offering in June, issuers and index providers have rushed to incorporate the aerospace and satellite communications company into their products. So far, it appears in 179 exchange-traded funds, according to a recent Morningstar analysis, including both your traditional broad market index funds and some thematics as well. But as more shares of the company become available, its weight could become oversized in some indexes and the products that track them, said Zachary Evens, a passive strategies analyst at Morningstar.

“That will be an important story going forward over this next year, as more shares get unlocked, as SpaceX…