Unclassified // open-source data on US defense tech // 14 NOV 2026
Space & ISR sector
Space & ISR company in Louisville, Colorado

Sierra Space

Spun out of Sierra Nevada Corporation, builds the Dream Chaser spaceplane, satellite buses, habitats and rocket engines, including defense work.

Falcon 9 launches the GPS III-SV09 mission from Cape Canaveral Space Force Station, January 2026. Photo: U.S. Space Force photo by Gwendolyn Kurzen, Public domain (U.S. government work).

Latest round$550MSeries C, Mar 2026
Valuation$8BMar 2026

Funding history

DateRoundAmount
Mar 2026Series C$550M

Why it matters

Series C at an $8B valuation in March 2026; $22.6M Air Force contract for the Vortex upper-stage engine; TRANSCOM agreement on Dream Chaser cargo for DoD logistics.

ProductsDream ChaserVortexVelocityHorizonTitan

Is Sierra Space publicly traded?

Sierra Space is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Information only, not investment advice.

Some figures rest on a single report. Treat them as indicative.Last verified November 14, 2026

Sierra Space: key questions

What does Sierra Space do?

Spun out of Sierra Nevada Corporation, builds the Dream Chaser spaceplane, satellite buses, habitats and rocket engines, including defense work.

What does Sierra Space make?

Products named by Sierra Space include Dream Chaser, Vortex, Velocity, Horizon and Titan.

Where is Sierra Space based?

Sierra Space is headquartered in Louisville, Colorado. It was founded in 2021.

What is Sierra Space's valuation?

Sierra Space was valued at $8B as of Mar 2026, after a $550M Series C (Mar 2026).

How much funding has Sierra Space raised?

Total funding is >$1.9B, based on announced and reported rounds. Latest round: Series C, $550M, Mar 2026.

Who are Sierra Space's investors?

Notable investors include LimunArx Capital Management.

Is Sierra Space publicly traded?

Sierra Space is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Can you buy Sierra Space stock?

Not on a public exchange: Sierra Space is a private company. Shares of private companies change hands only in private transactions open to accredited investors, when the company allows it. This is not investment advice.

Sources

  1. en.wikipedia.org/wiki/Sierra_Space

Figures come from company announcements, government sources and press reports. Spot an error? Send a correction. Nothing here is investment advice.