Total Holdings
28
As of Oct 4, 2026
Roundhill Space & Technology ETF
MARSBATSRoundhillEquity
$22.16Today:- (-)
As of Oct 16, 2026 close
- Assets (AUM)
- $46.97M
- Expense ratio
- 0.75%
- Dividend yield
- -
- Holdings
- 28
- 52-week range
- $22.29$45.92
- Volume (live)
- -
- Avg. volume (3M)
- 21.47K
MARS ETF Holdings: Roundhill Space & Technology ETF
Every listed position with its portfolio weight, plus sector breakdown and geographic exposure for this Equity ETF. Analyze fund diversification and concentration.
Top 10 Holdings
73.0%
Share of fund assets
Assets (AUM)
$46.97M
Total fund assets
Expense Ratio
0.75%
Annual management fee
Portfolio Allocations
Distribution breakdown by sector, asset type, and geographic region. Understand the fund's diversification strategy across markets and asset classes.
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All 37 MARS Holdings by Portfolio Weight
Holdings as of Oct 4, 2026. Ticker, name, asset type and portfolio weight for each position.
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| # | Symbol | Name | Type | Weight |
|---|---|---|---|---|
| 1 |  | Space Exploration Technologies Corp. | Stock | 25.08% |
| 2 |  | Rocket Lab Corporation | Stock | 10.41% |
| 3 | NPA | New Providence Acquisition Corp | Stock | 7.11% |
| 4 |  | AST SpaceMobile, Inc. | Stock | 6.80% |
| 5 |  | Globalstar, Inc. | Stock | 4.97% |
| 6 |  | Viasat, Inc | Stock | 4.79% |
| 7 |  | Planet Labs PBC | Stock | 3.81% |
| 8 |  | Iridium Communications Inc | Stock | 3.44% |
| 9 | PINK:MDALF | MDA Ltd | Stock | 3.39% |
| 10 | TSX:MDA | MDA Space Ltd. | Stock | 3.21% |
| 11 |  | Firefly Aerospace Inc. | Stock | 3.07% |
| 12 | ETR:OHB | OHB SE | Stock | 3.01% |
| 13 | OHB.GR | OHB SE | Stock | 3.00% |
| 14 | TSE:9412 | SKY Perfect JSAT Holdings Inc. | Stock | 2.90% |
| 15 |  | Intuitive Machines Inc. | Stock | 2.87% |
| 16 | 9412.JP | SKY Perfect JSAT Corp | Stock | 2.79% |
| 17 |  | Redwire Corp | Stock | 2.45% |
| 18 |  | Telesat Corp | Stock | 2.24% |
| 19 | TSAT.CN | Telesat Corp | Stock | 2.23% |
| 20 | EPA:ETL | Eutelsat Communications SA | Stock | 2.22% |
| 21 | EPA:SESG | SES S. A. | Stock | 2.07% |
| 22 | ETL.FP | Eutelsat Communications SACA | Stock | 1.98% |
| 23 | SESG.FP | SES SA | Stock | 1.90% |
| 24 | AVIO.IM | Avio SpA | Stock | 1.86% |
| 25 | BIT:AVIO | Avio S.p.A | Stock | 1.83% |
| 26 |  | Voyager Technologies, Inc./DE | Stock | 1.82% |
| 27 |  | York Space Systems Inc. | Stock | 1.74% |
| 28 | 290A.JP | Synspective Inc | Stock | 1.66% |
| 29 | 186A.JP | Astroscale Holdings Inc | Stock | 1.61% |
| 30 |  | Blacksky Technology Inc | Stock | 1.42% |
| 31 |  | Satellogic V Inc | Stock | 1.41% |
| 32 | LON:SSIT | Seraphim Space Investment Trust Plc | Stock | 1.36% |
| 33 |  | Gilat Satellite Networks Ltd. | Stock | 1.31% |
| 34 | TA:GILT | Gilat Satellite Networks Ltd | Stock | 1.31% |
| 35 | LSE:SSIT | Seraphim Space Investment Trust PLC | Stock | 1.24% |
| 36 | KQ:099320 | Satrec Initiative Co. Ltd | Stock | 1.15% |
| 37 |  | Spire Global Inc | Stock | 1.04% |
Source: Fund holdings disclosures. Data as of Oct 4, 2026. Data sources and methodology
Frequently Asked Questions About Roundhill Space & Technology ETF Holdings
What are the top holdings in MARS?
As of Oct 4, 2026, Roundhill Space & Technology ETF (MARS) holds 28 securities. The largest are Space Exploration Technologies Corp. (25.08%), Rocket Lab Corporation (10.41%), New Providence Acquisition Corp (7.11%). The holdings table lists each position by portfolio weight with its ticker, name and asset type.
How concentrated is MARS's portfolio?
As of Oct 4, 2026, the 10 largest positions make up 73.0% of MARS's assets. A concentrated portfolio has fewer large positions with higher individual weights, while a diversified portfolio distributes holdings more evenly.
What is MARS's sector allocation?
The Sector Allocation chart shows how MARS distributes investments across different industries like Technology, Healthcare, Financials, and more. This sector exposure helps understand the fund's industry diversification strategy.
What countries does MARS invest in?
MARS's geographic exposure is shown in the Countries tab under Portfolio Allocations. This reveals the fund's international diversification and exposure to different regions and global markets.
How diversified is MARS ETF?
MARS's diversification can be assessed by reviewing its 28 holdings (as of Oct 4, 2026), sector allocation, and geographic exposure. A well-diversified ETF spreads investments across multiple securities, sectors, and regions to reduce concentration risk.