JSTJarsy Space Tech Index
The benchmark for private space technology companies developing rockets, satellites, and space infrastructure.
Current Value378.40
QoQ+15.2%
YTD+60.5%
Historical Performance
Performance Comparison
Percentage change since Q1 2023
Performance chart showing: JST: +278.4% from 2023-Q1 to 2025-Q4.
Performance Metrics
Current Value378.40
Quarter-over-Quarter+15.2%
Year-to-Date+60.5%
Since Inception+278.4%
Index Constituents
8 companies| # | Company | Sector | Share Price | Valuation | Total Funding | Weight |
|---|---|---|---|---|---|---|
| 1 |  SpaceX | Launch Services | $444.57 | $800.0B | $12.0B | 68.2% |
| 2 |  Blue Origin | Launch Services | $280.00 | $70.0B | $25.0B | 12.8% |
| 3 |  Sierra Space | Space Stations | $21.20 | $5.3B | $1.4B | 4.8% |
| 4 |  Relativity Space | Launch Services | $16.00 | $4.0B | $2.4B | 4.2% |
| 5 |  Axiom Space | Space Stations | $10.00 | $2.5B | $500M | 3.2% |
| 6 |  Astroscale | Space Services | $6.00 | $1.5B | $400M | 2.4% |
| 7 |  Firefly Aerospace | Launch Services | $4.00 | $1.0B | $375M | 2.2% |
| 8 |  Astra Space | Launch Services | $2.40 | $600M | $400M | 2.2% |
Index Methodology
The benchmark for private space technology companies developing rockets, satellites, and space infrastructure.
- Weighting
- Revenue-Multiple Tilt weighted (60% Market Cap, 40% Launch Capability Score based on launch cadence and payload capacity).
- Eligibility
- Private space companies with minimum $1B valuation, active launch or space infrastructure operations, and recent secondary market activity.
- Rebalancing
- Quarterly