STMicroelectronics, a Geneva-based chipmaker, is poised to reap over $3 billion in cumulative revenue from low-Earth-orbit satellite constellations by 2028. This milestone marks a significant expansion of the company's space business, which began with European Space Agency qualification in 1977.
The seven tools
STMicroelectronics has shipped over 5 billion RF antenna chips to Starlink and now expects its low-Earth-orbit business alone to deliver more than $3 billion in cumulative revenue between 2026 and 2028. Orbital data centers are an option for later.
What each tool does
The driver of this growth is the structural shift from government-led space programs to commercial constellation operators. SpaceX's Starlink dominates the customer concentration, with STMicroelectronics supplying components for inter-satellite laser communication links on future SpaceX platforms.
Tradeoffs
The space business is not without exposure, with customer concentration being a key risk. With more than five billion chips already shipped to a single Starlink program and another five billion projected by 2027, ST's space revenue depends to an unusual degree on SpaceX's continued constellation expansion.
When to use it
Three indicators will signal whether the $3 billion target lands or slips: Starlink shipment volumes through 2026 and 2027, the cadence of Iris² procurement, and the development of the orbital-data-center market.
Pricing
STMicroelectronics has chosen to disclose the upside without booking it, which is the right position for an established public company. Investors want to know the optionality exists, but they do not want it priced.
Bottom line
The figures speak, with revenue growing from $175 million in 2021 to nearly $1 billion in 2026, and a $3 billion cumulative target through 2028. A 49-year-old space-chip business is suddenly one of the most interesting growth lines in European semiconductors.
The space business is not without risks, including customer concentration, qualification timelines, and geopolitical exposure. However, STMicroelectronics has the engineering and customer relationships to support its commitment to the 2028 milestone. The wider question is whether a satellite-constellation boom can support multiple chip suppliers at this scale or whether Starlink's near-monopoly customer position makes ST's lead difficult for any rival to displace.
STMicroelectronics' space business spans a wider product portfolio than the public conversation around the company tends to register. Radiation-hardened logic, voltage regulators, mixed-signal ASICs, and rad-hard discrete components for satellite platforms are all part of the existing line. The economics of those products differ across the customer base, but the underlying engineering, building chips that will function reliably in vacuum, in extreme thermal cycles, and under sustained radiation, is one of the higher-margin specializations