NASA vs UFO: which is really different?

NASA and UFO hold 32% of their weight in the same names. Tema Space Innovators ETF and Procure Space ETF.

2.6%
NASA in the S&P 500
35.9%
UFO in the S&P 500
−4.8%
NASA total return, since launch
+19.0%
UFO total return, 1 year
NASA · 6 months to Sep 30, 202697% of its weight is outside the S&P 500
97% of its weight is outside the S&P 5003% of NASA's weight is in S&P 500 companies and 97% is outside the index3%97%3% of its weight in S&P 500 companiesof its weight outside the S&P 500active share 100% · top ten 66% of the fund · 35 holdings filed Sep 30, 2026 · Nasdaq-100: 2% in97% of its weight is outside the S&P 5003% of NASA's weight is in S&P 500 companies and 97% is outside the index3%97%3% of its weight in S&P 500 companiesof its weight outside the S&P 500active share 100% · top ten 66% of the fund

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

UFO · 1 year to Sep 30, 202664% of its weight is outside the S&P 500
64% of its weight is outside the S&P 50036% of UFO's weight is in S&P 500 companies and 64% is outside the index36%64%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 99% · top ten 49% of the fund · 64 holdings filed Jul 31, 2026 · Nasdaq-100: 1% in64% of its weight is outside the S&P 50036% of UFO's weight is in S&P 500 companies and 64% is outside the index36%64%inoutside the S&P 500active share 99% · top ten 49% of the fund

36% of UFO's weight is in S&P 500 companies and 64% 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?
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 UFO hold 32% 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 Apr 30, 2026 and Sep 30, 2026.

half

32% in common

Positions both hold, largest shared weight first
Holding NASA UFO
VIASAT INC 5.19% 5.94%
ROCKET LAB CORP 10.35% 5.06%
FIREFLY AEROSPACE INC 3.81% 3.90%
AST SPACEMOBILE INC 6.94% 3.56%
INTUITIVE MACHINES INC 3.44% 3.48%
MDA SPACE LTD 2.99% 4.13%
VOYAGER TECHNOLOGIES INC 3.11% 1.72%
PLANET LABS PBC 1.55% 6.21%
BLACKSKY TECHNOLOGY INC 2.24% 1.33%
REDWIRE CORP 0.98% 0.89%
QPS HOLDINGS INC 1.57% 0.80%
ASTROSCALE HOLDINGS INC 2.33% 0.80%
Only in NASA
SPACEX SPV EXPOSURE 16.75%
SPACE EXPLORATION TECHNOLOGIES CORP 7.46%
UNIVERSAL MICROWAVE TECHNOLOGY INC 4.88%
FILTRONIC PLC 3.89%
5N PLUS INC 3.38%
LUMENTUM HOLDINGS INC 2.17%
WIN SEMICONDUCTORS CORP 1.82%
AIXTRON SE 1.60%
Only in UFO
Globalstar Inc 5.32%
Sirius XM Holdings Inc 5.08%
Iridium Communications Inc 4.53%
Garmin Ltd 4.46%
Trimble Inc 4.27%
SES SA 4.03%
SKY Perfect JSAT Corp 3.52%
Boeing Co/The 2.35%

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

32% of the two portfolios are the same securities at the same weight.

Performance, window by window

Total returnvs the S&P 500vs the Nasdaq-100
WindowNASAUFONASAUFONASAUFO
3 months−18.6%−15.7%−21.2 pts−18.2 pts−20.8 pts−17.8 pts
6 months−9.3%−8.4%−26.3 pts−25.4 pts−36.1 pts−35.3 pts
1 yearnot published+19.0%not published+3.3 ptsnot published−4.8 pts
3 yearsnot published+160.4%not published+75.5 ptsnot published+50.5 pts
Since launch
NASA Mar 2026 · UFO Apr 2019
−4.8%+86.5%−22.7 pts−108.9 pts−33.3 pts−232.4 pts

NASA and UFO 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
UFO
Procure Space ETF · Holds 64 stocks in space, 36% of its weight in S&P 500 companies
Issuer Tema Procure
Theme Space Space
In the S&P 500 2.6% 35.9%
Active share vs the S&P 500 99.9% 98.6%
In the Nasdaq-100 2.2% 1.1%
Holdings 35 64
Top ten, share of the fund 66.1% 48.5%
Expense ratio 0.75% 0.75%
Fee for the differing part 0.75% 0.76%
Total return, 1 year −4.8% (since launch on Mar 31, 2026) +19.0%
vs the S&P 500 −22.7 pts +3.3 pts
vs the Nasdaq-100 −33.3 pts −4.8 pts
Below its high −42.8% −37.5%
Net assets $1.1bn $587m

NASA and UFO 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.

UFO in plain words

By weight, 36% of UFO'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 48% of the fund across 64 positions, as filed for Apr 30, 2026. Over the year to Sep 30, 2026 the fund returned +19.0% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 3.3 pts. It sits 37.5% below its all-time high of May 28, 2026.

Questions people ask

Do NASA and UFO hold the same stocks?
By their latest filings, 32% 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, NASA or UFO?
NASA has 3% of its weight in S&P 500 names and UFO has 36%, so NASA differs more from the index.
Which is cheaper, NASA or UFO?
NASA charges 0.75% a year and UFO charges 0.75%, so NASA is cheaper. Fees come from each fund's prospectus.
Cite this page

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

Open data

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