---
ticker: "MARS"
name: "Roundhill ETF Trust - Roundhill Space & Technology ETF"
url: "https://etf.net/etf/MARS"
grade: "D"
score: 34
graded_at: "2026-10-12"
category: "Space"
category_rank: "13 of 15"
methodology: "https://etf.net/methodology"
---

# MARS: Roundhill ETF Trust - Roundhill Space & Technology ETF

Grade **D**, Score 34 of 100. Rank 13 of 15 in Space.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 29 | 8 of 15 |
| Mission | Not scored | — |
| Risk | 43 | 7 of 14 |
| Tradability | 26 | 13 of 15 |
| Holdings | 36 | 12 of 14 |
| Durability | 63 | 7 of 15 |

## Top holdings

The fund holds 30 positions. These are the largest 30, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | SPCX | Space Exploration Technologies Corp | 27.48% |
| 2 | RKLB | Rocket Lab Corp | 9.86% |
| 3 | ASTS | AST SpaceMobile Inc | 6.38% |
| 4 | GSAT | Globalstar Inc | 5.28% |
| 5 | VSAT | Viasat Inc | 4.69% |
| 6 | PL | Planet Labs PBC | 3.67% |
| 7 | IRDM | Iridium Communications Inc | 3.53% |
| 8 | MDA | MDA Space Ltd | 3.15% |
| 9 | OHB.DE | Ohb SE | 2.94% |
| 10 | 9412.T | SKY Perfect JSAT Corp | 2.76% |
| 11 | FLY | Firefly Aerospace Inc | 2.72% |
| 12 | LUNR | Intuitive Machines Inc | 2.51% |
| 13 | TSAT.TO | Telesat Corp | 2.28% |
| 14 | RDW | Redwire Corp | 2.08% |
| 15 | AVIO.MI | Avio SpA | 1.97% |
| 16 | ETL.PA | Eutelsat Communications SACA | 1.94% |
| 17 | SESG.PA | Ses SA | 1.76% |
| 18 | VOYG | Voyager Technologies Inc | 1.70% |
| 19 | 186A.T | Astroscale Holdings Inc | 1.69% |
| 20 | 290A.T | Synspective Inc | 1.67% |
| 21 | SSIT.L | Seraphim Space Investment Trust PLC | 1.47% |
| 22 | BKSY | BlackSky Technology Inc | 1.30% |
| 23 | YSS | York Space Systems Inc | 1.29% |
| 24 | SATL | Satellogic Inc | 1.19% |
| 25 | GILT | Gilat Satellite Networks Ltd | 1.17% |
| 26 | 464A.T | QPS Holdings Inc | 1.08% |
| 27 | 099320.KS | Satrec Initiative Co Ltd | 1.04% |
| 28 | SPIR | Spire Global Inc | 0.87% |
| 29 | FGXXX | First American Government Obligations Fund 12/01/2031 | 0.44% |
| 30 | — | Cash & Other | 0.11% |

Source: etf.net, https://etf.net/etf/MARS. Please cite the page URL.