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York Space Systems

Denver satellite maker that builds small and mid-size spacecraft in volume, mostly for the U.S. military's new low-orbit networks. Went public on the NYSE in January 2026.

Products, by altitude

On the ground · 0 km · Earth’s surface

  • In service

    LX-Class

    Mid-size satellite body for payloads of 300 kg or more

  • In development

    M-Class

    Large satellite body for heavy imaging and communications payloads

  • In service

    S-Class

    Mass-produced small satellite body for big constellations

Known rounds

DateRoundAmount
Jan 2026IPO (NYSE: YSS)$629M⁠1
Jan 2015Equity (Form D)$250K⁠2

Milestones

  • Jun 2026 Closed its purchase of Solestial, a Tempe, Arizona maker of space solar cells, for about $67 million in cash and stock. Company statement⁠3
  • Aug 2025 Delivered 21 spacecraft for the Space Development Agency's Tranche 1 Transport Layer ahead of its first launch. Company statement⁠4

Sources

  1. Kirkland & Ellis press releaseJan 30, 2026
  2. SEC EDGAR (Form D)Apr 19, 2016
  3. Solestial newsroomJun 4, 2026
  4. Aviation WeekAug 25, 2025
  5. SatNewsJan 29, 2026
  6. SEC EDGAR, York Space Systems Inc. company page

Updated Oct 22, 2026 · How we source facts · Suggest a correction