MARS

Roundhill Space & Technology ETF

Roundhill · $45.8m in assets, October 8, 2026

An actively managed ETF: Roundhill's managers pick companies earning at least half their revenue or profits from space and related technology.

MARS, the Roundhill Space & Technology ETF, is a $46 million ETF whose main story is the orbital economy.

MARS · the ETFFRI OCT 2Market price total return
+4.6%Total return since launch, March 2026
59.7%Volatility since launch

The narrative it carries

Its main narrative, at 0.5 of its exposure.

The orbital economy →

Launch, satellites and the space companies around SpaceX, now that it trades publicly.

The orbital economy · the narrative this week
50.4WARM level, 10 of 22
last four weeks
44ETFs carry it
96.6%held by the top five
NASAlargest holder, 39.2%
$4.3 bncapital, 21st of 22

The band is where this narrative’s level sits among the 22 this week. QUIET means less talked about, not falling.

Who owns the capital
NASA 39.2%UFOX 22.5%UFO 19.7%ARKX 13.6%WARP 1.6%39 other ETFs 3.4%96.6%top five
#ETFSHAREASSETS1 YEARCOST
1NASA39.2%$1.33bn––
2UFOX22.5%$875.0m+39.8%0.30%
3UFO19.7%$535.8m+15.2%0.75%
4ARKX13.6%$737.1m+9.8%0.75%
5WARP1.6%$42.9m–0.50%
39 other ETFs3.4%
MARS: 0.8%

Share is each ETF’s slice of the capital carrying this narrative. 1 year is market price total return; cost is the expense ratio. See all 44 ETFs on the narrative page →

Also carries: The AI compute core →

The chips, memory and data centers AI runs on, and the big technology companies that build and buy them.

Exposure 0.5 · level 57.0 WARM, 4th of 22 · MARS holds 0.0% of its capital

FRI OCT 2MARKET PRICE TOTAL RETURN

1M3MYTD1Y3Y*5Y*
MARS+4.3%−17.3%––––
The orbital economyits narrative+6.6%−9.9%+16.9%+18.1%+38.0%+13.5%
The marketbroad US ETFs+0.8%+2.6%+14.6%+16.8%+22.9%+12.9%

1M, 3M, 1Y, 3Y, 5Y: one month to five years. YTD: year to date. * A year, annualised. A dash means the ETF has not traded for the whole period. Since it started trading on March 5, 2026: +4.6%.

$10,000 invested March 31, 2026

MARS $10,129The orbital economy $10,731The market $11,898
$0$10,000$20,000Mar 2026$0$10,000$20,000Mar 2026

Total return on the market price, with each distribution reinvested on its ex-date. Not the NAV return the issuer publishes; the two differ when the ETF trades above or below the value of its holdings. The narrative is the asset-weighted return of the unlevered ETFs that carry it. The market is the asset-weighted return of broad US index ETFs. Past performance is no guarantee of future results.

Common questions

What story is MARS selling?

MARS’s main story is the orbital economy, which covers launch, satellites and the space companies around SpaceX, now that it trades publicly. Its second is the AI compute core.

Run an ETF in the orbital economy? StoryVector shows issuers where their ETFs stand against the closest rivals, every week.

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Narrative figures are from the weekly board. Performance is market price total return as of October 2, 2026. Assets are StoryVector’s weekly figure. Classification and measurement. Not investment advice. How the measurement works →