Sierra Space
Commercial space systems including Dream Chaser spaceplane, habitats, and defense satellites.
Sierra Space (spin-off of Sierra Nevada Corporation) develops space technologies including the Dream Chaser reusable spaceplane, LIFE habitat modules, satellite platforms, and propulsion systems. The company has a NASA CRS-2 contract for cargo missions to the ISS and is expanding into defense with its Sierra Space Defense division. Sierra Space is headquartered in Colorado with facilities across six states.
Overview
- Headquarters
- Louisville, CO
- Founded
- 2021
- Employees
- 1,800
- Total funding
- $2.5B
- Valuation
- $8B (Series C, Mar 2026)
- Stage
- Series C
- Status
- active
- Domains
- Space transportation, Satellite systems, Defense space
- X / Twitter
- x.com/SierraSpaceCo
- Website
- sierraspace.com
Founders4
- FounderEren OzmenChairwoman and co-owner of Sierra Nevada Corporation, founder of Sierra Space.
- FounderFatih OzmenCEO and co-owner of Sierra Nevada Corporation, founder of Sierra Space.
- FounderDan JablonskyChief Executive Officer of Sierra Space since March 2, 2026; previously chair and CEO of Ursa Major Technologies and CEO of Maxar Technologies.
- FounderJeff SchraderChief Financial Officer of Sierra Space, effective mid-2026; prior Chief Strategy Officer; 25+ years of national-security aerospace and defense leadership.
Cap table8
Approximate ownership by holder. Indexed holders link to their records.
Raised per round
Valuation over time
Percentages marked ~ are not disclosed. Some are a generic VC-pattern model (founders/team weighted heaviest, option pool lightest, other holders evenly) sized to whatever's left undisclosed — a standard industry shape, not this company's actual cap table.
| Holder | Instrument | Ownership |
|---|---|---|
MUFG / Kanematsu / Tokio MarineReinvested | Preferred (Series C) | ~16.9% |
Moore Strategic VenturesReinvested | Preferred (Series C) | ~16.9% |
Coatue ManagementReinvested | Preferred (Series C) | ~16.9% |
General AtlanticReinvested | Preferred (Series C) | ~16.9% |
Sierra Nevada Corporation (Ozmen family)Reinvested | Common | ~16.9% |
Employee option pool | Options | ~8.5% |
Andalusian Private CapitalNew | Preferred (Series C) | ~3.4% |
LuminArx Capital ManagementNew | Preferred (Series C) | ~3.4% |
Contracts2
- ContractSDA Tranche 2 Tracking Layer Satellite ContractSpace Development Agency contract for 18 missile warning and tracking satellites.
- ContractSierra Space SDA AMDT3 Tracking Layer SatellitesSDA Accelerated Missile Defense Tranche 3 (AMDT3) award to Sierra Space for 18 missile-warning/tracking satellites (Horizon bus); $798M OTA prototype agreement, launch-ready by end of 2028.
Frequently asked
- What does Sierra Space do?
- Sierra Space (spin-off of Sierra Nevada Corporation) develops space technologies including the Dream Chaser reusable spaceplane, LIFE habitat modules, satellite platforms, and propulsion systems. The company has a NASA CRS-2 contract for cargo missions to the ISS and is expanding into defense with its Sierra Space Defense division. Sierra Space is headquartered in Colorado with facilities across six states.
- Where is Sierra Space headquartered?
- Sierra Space is headquartered in Louisville, CO and was founded in 2021.
- How much funding has Sierra Space raised?
- Sierra Space has raised $2.5B in disclosed funding, at a most recent valuation of $8B (Series C, Mar 2026).
- What does Sierra Space specialize in?
- Sierra Space works across Space transportation, Satellite systems, Defense space.
- Does Sierra Space hold government contracts?
- Defense Tech Atlas links Sierra Space to 2 government contracts and 1 program.
Sources & citations4
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Raised $550M Series C at $8B valuation in March 2026; ~1,800 employees
Denver Business Journal: Sierra Space snags $550M, valued at $8BReported2026-03-05 - 2
SNC (Ozmen family) controlling; General Atlantic, Coatue, Moore Strategic Ventures investors per press releases
Business Wire: Sierra Space Closes $550M in Series C RoundReported2026-03-05 - 3
Founded 2021 as spin-off of SNC; HQ Louisville, CO; Dream Chaser spaceplane
Wikipedia: Sierra SpaceVerified2026-06-07 - 4
Sierra Space appointed Dan Jablonsky as its first permanent Chief Executive Officer, effective March 2, 2026; founder Fatih Ozmen transitioned from interim CEO to chair of the board
Sierra Space: Sierra Space Appoints Dan Jablonsky as Chief Executive OfficerVerified2026-02-26