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MARS

GradeDChicago Board Options Exchange

Roundhill ETF Trust - Roundhill Space & Technology ETF

Themes · Roundhill Investments · Inception 2026-03-05

$25.84−0.69 (−2.60%)

As of Sep 23, 2026, 1:44 PM EDT

History starts Mar 5, 2026.History starts Mar 5, 2026.
Intraday session: down, 15 prints from 26.53 to 25.84. Range 25.84 to 26.40. Use the arrow keys to read each point.$26.00$26.20$26.4010 AM12 PM2 PM4 PM
Expense ratio
0.75%
Fund size
$49M
1Y return
—
Yield · Last 12 months
—
Volume · 30D
0.1M sh
NAV per share
$26.46
52W range
low $22.29high $45.92

The ETF.net MARS Grade

D

37/ 100

Rank 9 of 15 in Space⁠

Confidence Medium

Six-pillar profile for MARS. Scores out of 100: Cost 29, Risk 38, Mission not scored, Tradability 43, Holdings 42, Durability 63. Strongest: Durability (63). Weakest: Cost (29). Based on 5 of 6 pillars.
F< 25
D≥ 25
C≥ 40
B≥ 55
A≥ 70

Score 37 of 100 sits in the D band. Bands: A ≥ 70, B ≥ 55, C ≥ 40, D ≥ 25, F < 25; the scale skips E.

  • Cost

    What you pay to own it — the expense ratio plus trading frictions, ranked within its category.
    DScore 29
    Category rank10/15 · mid-pack

  • Mission

    How faithfully it does the job it claims — tracking its mandate or index with minimal slippage.
    Not scored
    —

  • Risk

    How violently it can move — volatility, drawdown depth, and downside capture versus its category.
    DScore 38
    Category rank7/11 · mid-pack

  • Tradability

    How cheaply and easily you can get in and out — liquidity, spread, and premium/discount stability.
    CScore 43
    Category rank8/15 · mid-pack

  • Holdings

    What it actually owns — the quality, breadth, and concentration of the underlying portfolio.
    CScore 42
    Category rank10/14 · mid-pack

  • Durability

    Whether it will still be here — the fund’s assets, age, flows, and issuer staying power.
    BScore 63
    Category rank7/15 · top 47%

Graded as of Sep 22, 2026 · Based on 5 of 6 pillars

MARS Holdings

As of Sep 20, 2026, 5:42 AM
Asset class
Stocks
Holdings
—
Top-10 weight
67%
Largest holding
SPCX24.5%

Geography

  • United States73.98%
  • Japan7.84%
  • Canada5.71%
  • Germany3.22%
  • France2.40%
  • Luxembourg2.29%
  • Italy1.93%
  • Israel1.32%
  • Other countries (1)1.31%

Developed 95% · Emerging 5% of the foreign sleeve

The fund’s holdings, weight-ordered — page 1 of 2.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001SPCXSpace Exploration Technologies Corp24.54%76,152$12M268
002RKLBRocket Lab Corp9.26%67,971$4M237
003ASTSAST SpaceMobile Inc6.94%56,168$3M152
004VSATViasat Inc5.06%31,368$2M159
005GSATGlobalstar Inc5.04%28,806$2M92
006PLPlanet Labs PBC3.61%104,225$2M98
007IRDMIridium Communications Inc3.35%33,951$2M168
008MDAMDA Space Ltd3.29%51,901$2M14
009OHB.DEOHB SE3.17%7,482$2M13
0109412.TSKY Perfect JSAT Corp3.02%107,500$1M63
011FLYFirefly Aerospace Inc2.81%63,583$1M79
012LUNRIntuitive Machines Inc2.59%88,229$1M84
013ETL.PAEutelsat Communications SACA2.36%556,883$1M55
014TSAT.TOTelesat Corp2.32%22,505$1M6
015RDWRedwire Corp2.31%102,071$1M81

Showing 1–15 of 29 holdings

MARS Performance

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

MARS$8,608
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$10,415
Jun 22, 2026 to Sep 22, 2026. MARS $8,608. SPY $10,415. Use the arrow keys to read each point.$7,007$8,874$10,741Jun 2026Aug 2026Sep 2026

Jun 22, 2026 – Sep 22, 2026

Returns run to the Sep 22, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for MARS. Periods over one year show the average yearly return.
PeriodMARS
Year to dateFund launched this year—
1 month+1.0%
3 months−13.9%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years old—per year
5 yearsFund is under 5 years old—per year
10 yearsFund is under 10 years old—per year

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for MARS
YearReturn barMARS
2026 YTD+7.1%

Since listing, Mar 5, 2026

MARS in the news

ETF.net Research hasn’t filed on MARS yet — coverage lands here as it’s written.

MARS Dividends

Adds up every distribution paid per share over the last 12 months, divided by the last completed close. Distributions are counted by ex-date. Data through Sep 22, 2026.
—Last 12 months
Payout per share
—Last 12 months

Listed Mar 2026. No distributions yet.

MARS Risk

How much the fund’s monthly returns vary, scaled to a year.
—
Launched Mar 2026; fills in after 12 months
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
—
Launched Mar 2026; fills in after 12 months
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
—
Launched Mar 2026; fills in after 12 months
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
4.86
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

MARS Cost

Expense ratio0.75%
  • The middle half of Space funds
  • Median 0.75%

7 of the 15 Space funds charge less.

MARS costs $75.00 a year on $10,000. The median Space fund costs $75.00.