Do NASA and ORBX hold the same stocks?

By their latest filings, 51% of their books are the same securities at the same weight, which is close to holding one of them twice. Overlap is the sum of the smaller weight of every security they share.

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

NASA has 3% of its weight in S&P 500 names and ORBX has 0%, so ORBX differs more from the index.

Which is cheaper, NASA or ORBX?

NASA charges 0.75% a year and ORBX charges 0.50%, so ORBX is cheaper. Fees come from each fund's prospectus.

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NASA vs ORBX: which is really different?

NASA and ORBX hold 51% of their weight in the same names. Tema Space Innovators ETF and Global X Space Tech ETF.

2.6%

NASA in the S&P 500

0.0%

ORBX in the S&P 500

−4.8%

NASA total return, since launch

−19.6%

ORBX total return, since launch

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

ORBX · 3 months to Sep 30, 2026100% of its weight is outside the S&P 500

0% of ORBX's weight is in S&P 500 companies and 100% is outside the index

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

NASA 82.3

ORBX 92

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, NASA and ORBX hold 51% 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 Sep 30, 2026.

50%

half

51% in common

Positions both hold, largest shared weight first

Holding NASA ORBX

ROCKET LAB CORP 10.35% 10.37%

SPACE EXPLORATION TECHNOLOGIES CORP 7.46% 22.74%

AST SPACEMOBILE INC 6.94% 9.60%

VIASAT INC 5.19% 4.45%

FIREFLY AEROSPACE INC 3.81% 4.35%

INTUITIVE MACHINES INC 3.44% 3.91%

MDA SPACE LTD 2.99% 4.57%

PLANET LABS PBC 1.55% 3.48%

BLACKSKY TECHNOLOGY INC 2.24% 1.43%

ASTROSCALE HOLDINGS INC 2.33% 1.28%

SATELLOGIC INC 2.03% 1.13%

FILTRONIC PLC 3.89% 1.00%

Only in NASA

SPACEX SPV EXPOSURE 16.75%

UNIVERSAL MICROWAVE TECHNOLOGY INC 4.88%

5N PLUS INC 3.38%

VOYAGER TECHNOLOGIES INC 3.11%

LUMENTUM HOLDINGS INC 2.17%

WIN SEMICONDUCTORS CORP 1.82%

AIXTRON SE 1.60%

LIGHTPATH TECHNOLOGIES INC 1.56%

Only in ORBX

IRIDIUM COMMUNICATIONS INC 4.64%

GLOBALSTAR INC 4.62%

SES 2.63%

AVIO SPA 2.19%

EUTELSAT COMMUNICATIONS 1.88%

GILAT SATELLITE NETWORKS LTD 1.16%

VIRGIN GALACTIC HOLDINGS INC 0.82%

SPIRE GLOBAL INC 0.67%

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

51% 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	NASA	ORBX	NASA	ORBX	NASA	ORBX
3 months	−18.6%	−21.5%	−21.2 pts	−24.0 pts	−20.8 pts	−23.6 pts
6 months	−9.3%	not published	−26.3 pts	not published	−36.1 pts	not published
Since launch NASA Mar 2026 · ORBX Apr 2026	−4.8%	−19.6%	−22.7 pts	−29.2 pts	−33.3 pts	−36.0 pts

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

On the same fields

NASA

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

ORBX

Global X Space Tech ETF · Holds 38 stocks in space, 0% of its weight in S&P 500 companies

Issuer Tema Global X

Theme Space Space

In the S&P 500 2.6% 0.0%

Active share vs the S&P 500 99.9% 100.0%

In the Nasdaq-100 2.2% 0.0%

Holdings 35 38

Top ten, share of the fund 66.1% 73.5%

Expense ratio 0.75% 0.50%

Fee for the differing part 0.75% 0.50%

Total return, 1 year −4.8% (since launch on Mar 31, 2026) −19.6% (since launch on Apr 15, 2026)

vs the S&P 500 −22.7 pts −29.2 pts

vs the Nasdaq-100 −33.3 pts −36.0 pts

Below its high −42.8% −46.4%

Net assets $1.1bn $41m

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

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.

ORBX in plain words

By weight, 0% of ORBX'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 74% of the fund across 38 positions, as published by its issuer for Sep 30, 2026. Since it launched on Apr 15, 2026 the fund returned −19.6% with distributions reinvested against +9.5% for the S&P 500, so a holder was behind by 29.2 pts. It sits 46.4% below its all-time high of May 28, 2026.

Questions people ask

Do NASA and ORBX hold the same stocks?: By their latest filings, 51% of their books are the same securities at the same weight, which is close to holding one of them twice. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, NASA or ORBX?: NASA has 3% of its weight in S&P 500 names and ORBX has 0%, so ORBX differs more from the index.
Which is cheaper, NASA or ORBX?: NASA charges 0.75% a year and ORBX charges 0.50%, so ORBX is cheaper. Fees come from each fund's prospectus.

Other comparisons

NASA vs ARKX NASA vs DIPR NASA vs FSPC NASA vs UFO ORBX vs FSPC ORBX vs UFO ORBX vs ARKX ORBX vs DIPR

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

Where these figures came from

NASA filings on SEC EDGAR ↗NASA prospectus with the expense ratio (SEC) ↗Tema page for NASA ↗ORBX filings on SEC EDGAR ↗ORBX prospectus with the expense ratio (SEC) ↗Global X page for ORBX ↗

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

Open data

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