Sierra Space is a commercial space company focused on building an end-to-end business and technology platform in space. It is developing the Dream Chaser spaceplane for cargo transport to low Earth orbit and is also working with Blue Origin on the Orbital Reef commercial space station, contributing its LIFE (Large Integrated Flexible Environment) habitat modules. Sierra Space partners with organizations like NASA, the U.S. Air Force, and commercial entities for space transportation, destination, and application-related activities. Associated keywords include space transportation, commercial space stations, space technology, Dream Chaser, and LIFE habitat.
All verified mentions of this organization in source documents.
Sierra Space raised $550 million in a Series C financing round today.
Existing backers General Atlantic, Coatue, and Moore Strategic Ventures participated in Sierra Space’s Series C round.
Sierra Space plans in 2027 to leverage its existing satellite bus architectures for broader missions in Medium Earth Orbit.
Sierra Space raised $290 million in a Series B round at a $5.3 billion valuation in September 2023.
Sierra Space is positioning the reusable Dream Chaser spaceplane as a national security asset for hypersonic research and rapid payload return.
Sierra Space received $550 million in Series C equity financing.
The Series C financing will help Sierra Space boost its production capacity and pursue growth opportunities beyond its current satellite and spacecraft mission programs.
LuminArx Capital Management led Sierra Space’s $550 million Series C investment.
In January 2026, Sierra Space completed the first nine satellite structures for the SDA Tranche 2 Tracking Layer three months ahead of schedule.
Sierra Space established a defense division last year to focus on serving national security space customers.
LuminArx Capital led Sierra Space’s Series C financing round.
Sierra Space’s total funding since 2021 exceeds $2 billion.
Fatih Ozmen, Sierra Space founder who served as interim chief executive officer, will continue as chair of the board.
Dan Jablonsky will become chief executive officer of Sierra Space effective March 2, 2026.
Sierra Space is preparing for a next phase of growth across national security, defense, civil, and commercial space markets.
Sierra Space has stacked seven of nine completed Semper Citius SDA satellite structures for the Tranche 2 Tracking Layer program.
In June 2025, Sierra Space expanded its solar power system manufacturing capacity to 150 kilowatts per year, a threefold increase.
Blue Origin and Sierra Space completed the Orbital Reef System Definition Review with NASA in June 2025.
Blue Origin and Sierra Space jointly developed the Orbital Reef commercial space station.
Blue Origin and Sierra Space set a 2027 operational target for Orbital Reef.