K2 Space designs and manufactures large satellite buses, including its Mega and planned Giga lines, for government and commercial spacecraft customers.
K2 Space is a US satellite maker executing a bigger-is-better thesis (its Gravitas demonstrator launched March 2026 with claimed most-powerful Hall thrusters in space, plus Mega- and 100kW Giga-class buses) from a Torrance factory designed for up to 100 large satellites a year. It has converted to anchor contracts: an SES initial tranche of 30 MEO satellites (its largest disclosed commercial win), buses for Anduril in the Golden Dome interceptor program, and a Space Force Protected Tactical Satcom bus role. It raised >$1B (a Series D in July 2026 at $6.8B, 2.3x in seven months) with >$1B in signed contracts; recognized revenue is estimated at 10-100m.
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K2 Space designs and manufactures large satellite buses, including its Mega and planned Giga lines, for government and commercial spacecraft customers. K2 Space is a US satellite maker executing a bigger-is-better thesis (its Gravitas demonstrator launched March 2026 with claimed most-powerful Hall thrusters in space, plus Mega- and 100kW Giga-class buses) from a Torrance factory designed for up to 100 large satellites a year. It has converted to anchor contracts: an SES initial tranche of 30 MEO satellites (its largest disclosed commercial win),
K2 Space ranks 22 of 100 on the Space 100 (November 2026 edition) with a score of 81 out of 100, in Platforms (Satellites & spacecraft). Assessment by Frontier Tech Intelligence.
Airbus Defence & Space (rank 8), Thales Alenia Space (rank 12), Muon Space (rank 20), Millennium Space Systems (rank 23), The Exploration Company (rank 26), Redwire (rank 28).
K2 Space is based in Torrance, California, United States. Stage: Established.
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