UFO vs XAR overlap - what they share and where they differ
UFO and XAR share 17.3% of their weight across 13 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
UFO and XAR
17.3%
13 shared positions
UFO
Procure Space ETF
Reported positions cover 99% of the fund, 49 positions · Apr 30, 2026
Top 10: 49.4%·Holdings of UFO
XAR
State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF
Reported positions cover 100% of the fund, 47 positions · Jun 30, 2026
Top 10: 30.4%·Holdings of XAR
Reported positions cover UFO 99%, XAR 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XAR vs UFO side by side
UFOProcure Space ETF
49
stock positions reported to the SEC
73.5% of its weight is in 36 names XAR does not hold
XARState Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF
47
stock positions reported to the SEC
76.1% of its weight is in 34 names UFO does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: XAR has 30.4 points more of it.
The figures side by side
| UFO | XAR | |
|---|---|---|
| Filing date | Apr 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 49 | 47 |
| Weight of the ten largest | 49.4% | 30.4% |
| Largest position | PL 6.2% | VSEC 3.4% |
| Held alone | 36 positions, 73.5% | 34 positions, 76.1% |
| Covered by stock positions | 99% | 100% |
Holdings they share
| Stock | In UFO | In XAR | Counted |
|---|---|---|---|
| RKLBRocket Lab Corp | 5.02% | 2.49% | 2.49% |
| BABoeing Co/The | 2.33% | 2.67% | 2.33% |
| LUNRIntuitive Machines Inc | 3.46% | 2.08% | 2.08% |
| LHXL3Harris Technologies Inc | 1.86% | 2.47% | 1.86% |
| RTXRTX Corp | 1.80% | 2.75% | 1.80% |
| LMTLockheed Martin Corp | 1.65% | 2.50% | 1.65% |
| NOCNorthrop Grumman Corp | 1.63% | 2.42% | 1.63% |
| FLYFirefly Aerospace Inc | 3.87% | 0.95% | 0.95% |
| RDWRedwire Corp | 0.89% | 1.60% | 0.89% |
| KRMNKarman Holdings Inc | 0.56% | 2.80% | 0.56% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in UFO
Only in XAR
Questions people ask
Is UFO the same as XAR?
17.3% of their weight sits in the same 13 holdings. UFO also reports PL, VSAT, GSAT, which the other does not. XAR also reports VSEC, AXON, SARO, which the other does not.
How is the overlap between UFO and XAR measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 99% of UFO and 100% of XAR, so the number cannot exceed the smaller coverage.
Which holds more, XAR or UFO?
UFO reports 49 stock positions and XAR reports 47. 73.5% of UFO's weight sits in names XAR does not hold, and 76.1% of XAR's weight in names UFO does not hold. The ten largest positions are 49.4% of UFO and 30.4% of XAR.
How do UFO and XAR differ by sector?
The widest gap is Industrials: XAR has 30.4 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.