Jeff Bezos said Wednesday that his rocket company, Blue Origin, will likely go public in several years.

The comments came after the company raised $10 billion from outside investors for the first time, reportedly valuing Blue Origin at $140 billion.

So far, Bezos has personally invested about $28 billion in Blue Origin since it launched in 2000. An IPO would eventually give the company access to public-market capital rather than relying primarily on Bezos' wealth to finance its ambitions.

For Amazon.com, Inc. (NASDAQ: AMZN) shareholders, that distinction matters because Bezos' space spending has historically been intertwined with his personal ownership of Amazon, which he also founded.

Although separate, Blue Origin and Amazon have a commercial relationship. For example, Seattle-based Amazon has contracts with Blue Origin for New Glenn launches that support a satellite broadband business called Amazon Leo.

Amazon Could Get a Cleaner Space Story

An eventual Blue Origin listing could make that relationship easier for investors to analyze.

Presently, Amazon investors have exposure to Amazon's satellite ambitions through Amazon Leo, while Blue Origin remains a privately held company controlled by Bezos. A public listing would create a visible market valuation for Blue Origin, potentially giving investors a clearer benchmark for the value of the broader space ecosystem Bezos has spent decades building.

It could also change the way Bezos funds the company.

Instead of continually drawing on his personal wealth, historically supported in part by Amazon share sales, Blue Origin could raise capital directly from public investors. That could reduce the financial link between Bezos' Amazon holdings and his space ambitions.

The IPO Could Create a New Space Benchmark

The timing is particularly interesting because Elon Musk's Space Exploration Technologies Corp. (NASDAQ: SPCX) went public earlier this year, giving investors their first major public-market benchmark for a large private space company.

Blue Origin offers exposure to New Glenn, lunar ambitions, and government contracts with NASA and the U.S. Space Force. Bezos also said New Glenn will fly again in December after a launch-pad setback earlier this year.

For Amazon investors, the takeaway is not that Blue Origin's potential IPO suddenly adds value to Amazon's stock. It is that a public Blue Origin could finally separate the economics of Bezos' space ambitions from Amazon, while simultaneously making Amazon's own satellite business easier to compare with the emerging space market.

The next signals to watch are Blue Origin's outside-capital strategy, New Glenn's launch cadence and whether Bezos moves from saying an IPO "probably makes sense" to outlining a concrete path toward the public markets.