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3 Space Stocks With Market Caps Up To $330 Billion

Simply Wall St·09/30/2026 12:27:33
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Government borrowing costs are climbing to levels last seen before the global financial crisis, and that puts a spotlight on businesses that help keep communications, defence and data flowing efficiently. As bond markets reset, investors are rethinking where reliable infrastructure might justify the risk. The orbital build out is one of those stories. This piece walks through three US listed space economy stocks from our global screener that merit a closer look.

The three stocks below are a starting sample from the space economy, while the full screen pulls out 24 more listed players with equally compelling stories that are not covered here. To identify your own highest conviction angles on launch providers, satellite operators, and defence contractors, head straight to the Global Space Race Stocks screener.

General Electric (GE)

Overview: General Electric, through GE Aerospace, builds and services aircraft engines, propulsion systems and avionics that power commercial, military and space-adjacent platforms worldwide.

Operations: GE Aerospace generates about US$37.7b from Commercial Engines & Services, US$11.5b from Defense & Propulsion Technologies and US$1.4b from Corporate & Other activities.

Market Cap: US$330.2b

General Electric matters for this space race theme because its GE Aerospace arm supplies the propulsion and avionics that keep many military and launch-adjacent platforms in the air.

"Acceleration of next generation engine programs such as adaptive cycle engines and CCA propulsion, supported by rising defense book to bill of 1.7x and a Defense & Propulsion Technologies backlog above US$30b, points to multi year visibility on future defense revenue and contribution to segment profit."

The real swing factor for General Electric now sits in how one deeply embedded supply chain move ultimately feeds through to margins and cash.

That margin puzzle is exactly what the full narrative for General Electric unpacks, showing how engine programs, backlog quality and capital priorities could be quietly reshaping General Electric’s risk reward profile.

NYSE:GE Revenue & Expenses Breakdown as at Sep 2026
NYSE:GE Revenue & Expenses Breakdown as at Sep 2026

Rocket Lab (RKLB)

Overview: Rocket Lab runs small and medium orbital launch vehicles and space systems that put satellites and constellations into working orbits.

Operations: Rocket Lab generates about US$544 million from Space Systems and US$225 million from Launch Services across commercial and government missions.

Market Cap: US$41.7b

Rocket Lab matters to this space race theme because it is one of the few publicly listed operators offering dedicated orbital launch and in house satellite hardware rather than just riding along on someone else’s rocket.

"Neutron's successful operation should be that turning point. However, Neutron's failure would risk the entire company."

What investors really have to weigh is how one emerging pressure around future launch cadence and contract flow could tilt that balance.

That launch risk is exactly why reading the full narrative for Rocket Lab can help you see how Rocket Lab’s contracts, cash needs and upside potential are really aligned.

NasdaqGS:RKLB 1-Year Stock Price Chart
NasdaqGS:RKLB 1-Year Stock Price Chart

RTX (RTX)

Overview: RTX is a large aerospace and defense group whose Raytheon unit supplies satellite systems, space sensors and related command-and-control technology.

Operations: RTX generates about US$35.0b from Pratt & Whitney, US$31.2b from Collins Aerospace and US$29.9b from Raytheon, mostly from US customers.

Market Cap: US$252.9b

RTX matters for the Global Space Race Stocks theme because its Raytheon space systems and sensors help run the orbital infrastructure that defense agencies rely on for warning, communications and tracking.

"RTX’s record backlog of US$289b, supported by a Raytheon rolling 12 month book to bill of 1.77 and US$19.9b of quarterly awards for systems such as Patriot, AMRAAM, AIM 9X and LTAMDS, points to multi year conversion of contracted demand into revenue and segment operating profit that some investors may not yet fully reflect in valuations."

What may prove most important is how one largely unseen pressure around future capacity and execution shapes RTX margins on those long dated space linked contracts.

If that execution question is on your mind, read the full narrative for RTX to see how RTX’s backlog, capital plans and risk levers could be quietly decoupling.

NYSE:RTX Earnings & Revenue History as at Sep 2026
NYSE:RTX Earnings & Revenue History as at Sep 2026

Seeking Alternatives Before Momentum Escapes

Fresh ideas move fast. Breakout themes gain momentum, late entrants get caught chasing, and early research advantage keeps dropping as data ages. Scan new lists before the crowd and act now.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.