---
title: "Largest Space Companies by Market Cap (2026) | Orbit Alpha"
description: "Every listed space company ranked by market value in US dollars, from SpaceX down to the small caps, with share price and year-to-date return. Updated every trading day."
url: https://www.orbitalpha.cloud/space-stocks/largest
updated: 2026-10-21
---

# Largest space companies by market cap
Updated 21 Oct 2026 from live prices and SEC filings
As of 21 Oct 2026, the largest listed space company is SpaceX (SPCX), worth about $2.04T, followed by Rocket Lab ($32.42B) and EchoStar ($25.59B).

Every listed space company Orbit Alpha covers, ranked by market value in US dollars, from the largest to the smallest. Market values move with the share price every trading day; this page rebuilds daily.

| Rank | Company | Ticker | Sector | Market cap | Share price | Year to date |
|---|
| 1 | [SpaceX](https://www.orbitalpha.cloud/stocks/spcx) | [SPCX](https://www.orbitalpha.cloud/stocks/spcx) | Launch | $2.04T | $150.64 | - |
| 2 | [Rocket Lab](https://www.orbitalpha.cloud/stocks/rklb) | [RKLB](https://www.orbitalpha.cloud/stocks/rklb) | Launch | $32.42B | $51.65 | -32.4% |
| 3 | [EchoStar](https://www.orbitalpha.cloud/stocks/echo) | [ECHO](https://www.orbitalpha.cloud/stocks/echo) | Satellite Comms | $25.59B | $88.00 | -21.6% |
| 4 | [AST SpaceMobile](https://www.orbitalpha.cloud/stocks/asts) | [ASTS](https://www.orbitalpha.cloud/stocks/asts) | Satellite Comms | $15.21B | $39.09 | -53.4% |
| 5 | [Globalstar](https://www.orbitalpha.cloud/stocks/gsat) | [GSAT](https://www.orbitalpha.cloud/stocks/gsat) | Satellite Comms | $10.72B | $82.72 | +29.3% |
| 6 | [Viasat](https://www.orbitalpha.cloud/stocks/vsat) | [VSAT](https://www.orbitalpha.cloud/stocks/vsat) | Satellite Comms | $8.17B | $59.30 | +57.2% |
| 7 | [Planet Labs](https://www.orbitalpha.cloud/stocks/pl) | [PL](https://www.orbitalpha.cloud/stocks/pl) | Earth Observation | $4.81B | $13.22 | -35.4% |
| 8 | [OHB](https://www.orbitalpha.cloud/stocks/ohb) | [OHB](https://www.orbitalpha.cloud/stocks/ohb) | Space Infrastructure | $4.77B | €204.00 | +65.2% |
| 9 | [Karman Space & Defense](https://www.orbitalpha.cloud/stocks/krmn) | [KRMN](https://www.orbitalpha.cloud/stocks/krmn) | Space Infrastructure | $4.65B | $35.05 | -54.5% |
| 10 | [MDA Space](https://www.orbitalpha.cloud/stocks/mda) | [MDA](https://www.orbitalpha.cloud/stocks/mda) | Space Infrastructure | $4.40B | $27.16 | -12.0% |
| 11 | [Firefly Aerospace](https://www.orbitalpha.cloud/stocks/fly) | [FLY](https://www.orbitalpha.cloud/stocks/fly) | Launch | $2.89B | $17.27 | -27.6% |
| 12 | [Intuitive Machines](https://www.orbitalpha.cloud/stocks/lunr) | [LUNR](https://www.orbitalpha.cloud/stocks/lunr) | Exploration | $2.42B | $10.56 | -41.2% |
| 13 | [Eutelsat](https://www.orbitalpha.cloud/stocks/etl) | [ETL](https://www.orbitalpha.cloud/stocks/etl) | Satellite Comms | $2.38B | €1.80 | +0.8% |
| 14 | [Redwire](https://www.orbitalpha.cloud/stocks/rdw) | [RDW](https://www.orbitalpha.cloud/stocks/rdw) | Space Infrastructure | $2.09B | $8.35 | -7.9% |
| 15 | [SES](https://www.orbitalpha.cloud/stocks/sesg) | [SESG](https://www.orbitalpha.cloud/stocks/sesg) | Satellite Comms | $1.93B | €4.14 | -27.3% |
| 16 | [Avio](https://www.orbitalpha.cloud/stocks/avio) | [AVIO](https://www.orbitalpha.cloud/stocks/avio) | Launch | $1.69B | €30.08 | +0.4% |
| 17 | [Voyager Technologies](https://www.orbitalpha.cloud/stocks/voyg) | [VOYG](https://www.orbitalpha.cloud/stocks/voyg) | Exploration | $1.48B | $23.92 | -14.1% |
| 18 | [Telesat](https://www.orbitalpha.cloud/stocks/tsat) | [TSAT](https://www.orbitalpha.cloud/stocks/tsat) | Satellite Comms | $1.43B | $39.42 | +34.5% |
| 19 | [HawkEye 360](https://www.orbitalpha.cloud/stocks/hawk) | [HAWK](https://www.orbitalpha.cloud/stocks/hawk) | Earth Observation | $1.14B | $11.68 | -65.7% |
| 20 | [York Space Systems](https://www.orbitalpha.cloud/stocks/yss) | [YSS](https://www.orbitalpha.cloud/stocks/yss) | Space Infrastructure | $832M | $6.06 | -82.1% |
| 21 | [Filtronic](https://www.orbitalpha.cloud/stocks/ftc) | [FTC](https://www.orbitalpha.cloud/stocks/ftc) | Space Infrastructure | $751M | 255.0p | +40.9% |
| 22 | [BlackSky Technology](https://www.orbitalpha.cloud/stocks/bksy) | [BKSY](https://www.orbitalpha.cloud/stocks/bksy) | Earth Observation | $692M | $16.91 | -18.8% |
| 23 | [Satellogic](https://www.orbitalpha.cloud/stocks/satl) | [SATL](https://www.orbitalpha.cloud/stocks/satl) | Earth Observation | $590M | $3.84 | +95.2% |
| 24 | [Virgin Galactic](https://www.orbitalpha.cloud/stocks/spce) | [SPCE](https://www.orbitalpha.cloud/stocks/spce) | Exploration | $379M | $2.50 | -24.0% |
| 25 | [Spire Global](https://www.orbitalpha.cloud/stocks/spir) | [SPIR](https://www.orbitalpha.cloud/stocks/spir) | Earth Observation | $360M | $8.87 | +13.6% |
| 26 | [GomSpace](https://www.orbitalpha.cloud/stocks/gomx) | [GOMX](https://www.orbitalpha.cloud/stocks/gomx) | Space Infrastructure | $199M | SEK 11.39 | -38.4% |
| 27 | [Sidus Space](https://www.orbitalpha.cloud/stocks/sidu) | [SIDU](https://www.orbitalpha.cloud/stocks/sidu) | Space Infrastructure | $113M | $1.11 | -74.3% |
| 28 | [KULR Technology](https://www.orbitalpha.cloud/stocks/kulr) | [KULR](https://www.orbitalpha.cloud/stocks/kulr) | Space Infrastructure | $76M | $1.65 | -48.6% |
| 29 | [AAC Clyde Space](https://www.orbitalpha.cloud/stocks/aac) | [AAC](https://www.orbitalpha.cloud/stocks/aac) | Space Infrastructure | $76M | SEK 96.60 | -13.0% |
| 30 | [Momentus](https://www.orbitalpha.cloud/stocks/mnts) | [MNTS](https://www.orbitalpha.cloud/stocks/mnts) | Space Infrastructure | $50M | $2.29 | -60.0% |

[SpaceX](https://www.orbitalpha.cloud/stocks/spcx) is worth more than the other 29 companies on the list combined.

Non-US market values are converted to US dollars at the latest exchange rate. For prices and sectors, see the [full list of space stocks](https://www.orbitalpha.cloud/space-stocks); for this week's moves, [space stocks this week](https://www.orbitalpha.cloud/space-stocks/this-week).

Prices from Yahoo Finance; share counts from company filings. Figures as of 21 Oct 2026, refreshed whenever the site updates. Orbit Alpha is information, not investment advice.