NASAvsMARSETF Comparison
VS
Tema Space Innovators ETF (NASA) and Roundhill Space & Technology ETF (MARS) belong to the same industry segment: Space. Both ETFs have the same top 3 sector exposures: Industrials, Telecommunications and Technology. Both NASA and MARS have the same Total Expense Ratio (TER) of 0.75%. Run a side-by-side ETF comparison of NASA and MARS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
NASA vs MARS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | NASA MARS | +14.27%+15.28% | -27.49%-25.63% | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | NASA MARS | -$58M-$12M | +$1.31B+$40M | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | NASA MARS | +64.31%+65.67% | n/an/a | n/an/a | n/an/a |
| Max drawdown | NASA MARS | -50.62%-50.54% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | NASA MARS | 82d82d | n/an/a | n/an/a | n/an/a |
Trading data
NASA | MARS | |
Last sale 8/19/2026 at 1:30 PM | $24.93 | |
| Previous close 08/18/2026 | $25.68 | |
| Consolidated volume 08/18/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 8/19/2026 at 1:30 PM
Live
Closed
NASA | MARS | |
|---|---|---|
| Last price | $24.93 | – |
| 1D performance | -2.92% | – |
| AuM | $1.18 B | $51.57 M |
| E/R | 0.75% | 0.75% |
Characteristics
NASA | MARS | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Tema | Roundhill Investments |
| Benchmark | - | - |
| N° of holdings | 32 | 26 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 30, 2026 | March 5, 2026 |
| ESG | No | No |
Advertisement
Exposure
Countries
NASA
USA
58.6%
Other
41.4%
MARS
USA
48.37%
Japan
7.51%
Other
44.12%
Sectors
NASA
Industrials
30.27%
Telecommunication.
23.67%
Technology
16.1%
Other
29.96%
MARS
Industrials
29.45%
Telecommunication.
27.55%
Technology
11.15%
Other
31.85%
Diversification
NASA
Total weight of top 15 holdings out of 15
63.1%
MARS
Total weight of top 15 holdings out of 15
78.97%
Top 15 holdings
Data as of June 30, 2026
NASA
EchoStar Corp.
10.49%
Rocket Lab Corp.
9.07%
AST Spacemobile, Inc.
4.87%
ViaSat, Inc.
4.31%
Intuitive Machines, Inc.
4.30%
5N Plus, Inc.
4.09%
Firefly Aerospace, Inc.
3.99%
York Space Systems, Inc.
3.49%
Universal Microwave Technology, Inc.
3.16%
Iridium Communications, Inc.
3.16%
Planet Labs PBC
3.10%
Blacksky Technology, Inc.
2.71%
Vishay Precision Group, Inc.
2.43%
US84615Q1031
2.07%
Astroscale Holdings, Inc.
1.86%
MARS
US84615Q1031
23.33%
Rocket Lab Corp.
9.72%
AST Spacemobile, Inc.
7.32%
Globalstar, Inc.
4.89%
Planet Labs PBC
4.76%
ViaSat, Inc.
4.33%
Iridium Communications, Inc.
3.18%
Intuitive Machines, Inc.
3.09%
OHB SE
3.08%
Firefly Aerospace, Inc.
2.88%
SKY Perfect JSAT Corp.
2.70%
SES SA
2.68%
York Space Systems, Inc.
2.60%
Eutelsat Communications SA
2.45%
Redwire Corp.
1.96%
Frequently asked questions about NASA and MARS
Which ETF is bigger: NASA or MARS?
As of August 18, 2026, NASA holds $1.18 B in assets under management (AUM), while MARS manages $51.57 M.
What sectors do the NASA and MARS ETFs invest in?
NASA leans toward sectors like Industrials, Telecommunications and Technology. Meanwhile, MARS focuses on Industrials, Telecommunications and Technology.
What are the top holdings of the NASA ETF and MARS ETF?
NASA top holdings include EchoStar Corp., Rocket Lab Corp. and AST Spacemobile, Inc.. MARS holds in its top three: US84615Q1031, Rocket Lab Corp. and AST Spacemobile, Inc..
Which ETF is more diversified: NASA or MARS?
NASA holds 33 securities with 63.1% of its assets in the top 15. MARS has 26 securities and a top 15 weight of 78.97%.
Advertisement
Latest news about NASA & MARS
The SpaceX (SPCX) IPO: Here's Which ETFs Already Own it
June 2, 2026
NASA
Tony's ETF Buyer's Guide: Investing in the Space Industry
May 15, 2026
NASA
Advertisement
Advertisement
