Do GALX and NASA hold the same stocks?

By their latest filings, 31% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, GALX or NASA?

GALX has 14% of its weight in S&P 500 names and NASA has 3%, so NASA differs more from the index.

Which is cheaper, GALX or NASA?

GALX charges 0.75% a year and NASA charges 0.75%, so GALX is cheaper. Fees come from each fund's prospectus.

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GALX vs NASA: which is really different?

GALX and NASA hold 31% of their weight in the same names. VistaShares Space Supercycle ETF and Tema Space Innovators ETF.

13.5%

GALX in the S&P 500

2.6%

NASA in the S&P 500

−1.9%

GALX total return, since launch

−4.8%

NASA total return, since launch

GALX · since launch to Sep 30, 202687% of its weight is outside the S&P 500

14% of GALX's weight is in S&P 500 companies and 87% is outside the index

NASA · 6 months to Sep 30, 202697% of its weight is outside the S&P 500

3% of NASA's weight is in S&P 500 companies and 97% is outside the index

ETFIQ Off-Index Score · NASA scores higherHow much of it is not the index it is sold as an alternative to?

GALX 62.3

NASA 82.3

0.1, the lowest in this set92.0, the highest

A percentile among the 375 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it → How it is computed →

What they hold in common

By the books each fund has filed, GALX and NASA hold 31% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Oct 1, 2026 and Sep 30, 2026.

50%

half

31% in common

Positions both hold, largest shared weight first

Holding GALX NASA

Rocket Lab Corp 4.25% 10.35%

5N Plus Inc 3.01% 3.38%

MDA Space Ltd 3.87% 2.99%

Filtronic PLC 2.99% 3.89%

AST SpaceMobile Inc 2.98% 6.94%

Space Exploration Technologies Corp 2.83% 7.46%

Firefly Aerospace Inc 2.24% 3.81%

Universal Microwave Technology Inc 2.08% 4.88%

Viasat Inc 1.07% 5.19%

Intuitive Machines Inc 1.02% 3.44%

Astroscale Holdings Inc 1.00% 2.33%

Redwire Corp 1.15% 0.98%

Only in GALX

MACOM Technology Solutions Holdings Inc 4.35%

AMETEK Inc 4.00%

Moog Inc 3.66%

Frequency Electronics Inc 3.50%

Avio SpA 3.33%

Teledyne Technologies Inc 3.18%

Kongsberg Gruppen ASA 3.03%

Gilat Satellite Networks Ltd 2.93%

Only in NASA

SPACEX SPV EXPOSURE 16.75%

LUMENTUM HOLDINGS INC 2.17%

SATELLOGIC INC 2.03%

WIN SEMICONDUCTORS CORP 1.82%

AIXTRON SE 1.60%

LIGHTPATH TECHNOLOGIES INC 1.56%

PLANET LABS PBC 1.55%

SYNSPECTIVE INC 1.44%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

31% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	GALX	NASA	GALX	NASA	GALX	NASA
3 months	not published	−18.6%	not published	−21.2 pts	not published	−20.8 pts
6 months	not published	−9.3%	not published	−26.3 pts	not published	−36.1 pts
Since launch GALX Jul 2026 · NASA Mar 2026	−1.9%	−4.8%	−3.7 pts	−22.7 pts	−6.8 pts	−33.3 pts

GALX and NASA over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

GALX

VistaShares Space Supercycle ETF · Holds 59 stocks in space, 14% of its weight in S&P 500 companies

NASA

Tema Space Innovators ETF · Holds 35 stocks in space, 3% of its weight in S&P 500 companies

Issuer VistaShares Tema

Theme Space Space

In the S&P 500 13.5% 2.6%

Active share vs the S&P 500 99.0% 99.9%

In the Nasdaq-100 0.0% 2.2%

Holdings 59 35

Top ten, share of the fund 36.2% 66.1%

Expense ratio 0.75% 0.75%

Fee for the differing part 0.76% 0.75%

Total return, 1 year −1.9% (since launch on Jul 16, 2026) −4.8% (since launch on Mar 31, 2026)

vs the S&P 500 −3.7 pts −22.7 pts

vs the Nasdaq-100 −6.8 pts −33.3 pts

Below its high −13.0% −42.8%

Net assets $3m $1.1bn

GALX and NASA on the same fields, as of Sep 30, 2026. Source: ETFIQ.

GALX in plain words

By weight, 14% of GALX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 36% of the fund across 59 positions, as published by its issuer for Oct 1, 2026. Since it launched on Jul 16, 2026 the fund returned −1.9% with distributions reinvested against +1.8% for the S&P 500, so a holder was behind by 3.7 pts. It sits 13.0% below its all-time high of Aug 12, 2026.

NASA in plain words

By weight, 3% of NASA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 66% of the fund across 35 positions, as published by its issuer for Sep 30, 2026. Since it launched on Mar 31, 2026 the fund returned −4.8% with distributions reinvested against +17.9% for the S&P 500, so a holder was behind by 22.7 pts. It sits 42.8% below its all-time high of May 27, 2026.

Questions people ask

Do GALX and NASA hold the same stocks?: By their latest filings, 31% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, GALX or NASA?: GALX has 14% of its weight in S&P 500 names and NASA has 3%, so NASA differs more from the index.
Which is cheaper, GALX or NASA?: GALX charges 0.75% a year and NASA charges 0.75%, so GALX is cheaper. Fees come from each fund's prospectus.

Other comparisons

GALX vs MARS GALX vs WARP GALX vs ARKX GALX vs ORBX NASA vs ARKX NASA vs ORBX NASA vs UFO NASA vs WARP

GALX on its own →NASA on its own →How every figure is computed →Standards and sources →

Where these figures came from

GALX filings on SEC EDGAR ↗GALX prospectus with the expense ratio (SEC) ↗VistaShares page for GALX ↗NASA filings on SEC EDGAR ↗NASA prospectus with the expense ratio (SEC) ↗Tema page for NASA ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.

Cite this page

ETFIQ, GALX against NASA, data as of Sep 30, 2026. https://etfiq.com/compare/themes/galx-vs-nasa

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.