How SpaceX’s $75B IPO Is Influencing Other Space and Defense Companies Going Public

Investors are effectively treating the IPO as a validation event for the commercial space economy. If SpaceX lists successfully at a multi‑trillion‑dollar valuation, it could provide a powerful public‑market benchmark for the sector and support higher valuations for comparable companies. Analysts and executives have described this dynamic as the start of a possible re‑rating of space companies, particularly in Europe.

Why a Mega‑IPO Can Complicate Other Listings

While enthusiasm is rising, a deal of this magnitude can also disrupt the IPO pipeline.

Large IPOs require massive allocations of institutional capital. When a single offering seeks tens of billions of dollars, it can temporarily dominate the equity issuance calendar and absorb investor attention and risk appetite.

For companies preparing their own listings, that creates two strategic choices:

• Delay the IPO to avoid competing with SpaceX for investor capital during the same window.
• Wait until after the listing in hopes that a strong SpaceX debut improves sector sentiment and valuation comparables.

In other words, the IPO can act both as a catalyst and as a temporary bottleneck for other deals.

The Case of OHB and KNDS

Two European aerospace and defense companies often mentioned in this context illustrate the mixed impact.

OHB SE

OHB is sometimes discussed alongside the SpaceX IPO narrative, but it is already publicly listed, meaning it benefits directly from improved sector sentiment rather than needing to time its own debut.

The stock’s recent gains following the SpaceX filing reflect investor expectations that the entire satellite and launch ecosystem could command higher valuations if SpaceX’s IPO succeeds.

KNDS

The Franco‑German defense group KNDS—known for armored vehicles and military systems—has explored a potential IPO in recent years, though a confirmed listing date has not been announced.

Because its listing timeline remains flexible, a massive SpaceX debut could influence when it eventually comes to market. Waiting until after the SpaceX deal could allow KNDS and similar companies to:

• benefit from renewed investor attention toward aerospace and defense
• price their shares using SpaceX as a valuation benchmark

However, direct evidence that KNDS has already changed its timetable specifically because of SpaceX remains limited.

A Potential Turning Point for the Space Economy

If the offering proceeds at the reported valuation, the listing would be the first U.S. IPO potentially exceeding a $1 trillion valuation, instantly making SpaceX one of the world’s most valuable companies.

Such a debut would do more than raise capital for one company—it would effectively establish a new public‑market reference point for the rapidly growing commercial space economy.

For investors and companies alike, the outcome of the SpaceX IPO could determine whether the next few years bring a wave of aerospace listings—or a more cautious wait‑and‑see period.