AIRR vs XAR overlap - what they share and where they differ
AIRR and XAR share 11.4% of their weight across 6 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.
AIRR and XAR
11.4%
6 shared positions
AIRR
First Trust RBA American Industrial Renaissance ETF
Reported positions cover 100% of the fund, 51 positions · Jun 30, 2026
Top 10: 41.3%·Holdings of AIRR
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 AIRR 100%, 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 AIRR side by side
AIRRFirst Trust RBA American Industrial Renaissance ETF
51
stock positions reported to the SEC
88.2% of its weight is in 45 names XAR does not hold
XARState Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF
47
stock positions reported to the SEC
85.4% of its weight is in 41 names AIRR does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: XAR has 12.3 points more of it.
The figures side by side
| AIRR | XAR | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 51 | 47 |
| Weight of the ten largest | 41.3% | 30.4% |
| Largest position | STRL 6.0% | VSEC 3.4% |
| Held alone | 45 positions, 88.2% | 41 positions, 85.4% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In AIRR | In XAR | Counted |
|---|---|---|---|
| BWXTBWX TECHNOLOGIES INC | 2.97% | 2.74% | 2.74% |
| HIIHUNTINGTON INGALLS INDUSTRIES INC | 2.44% | 2.49% | 2.44% |
| KTOSKRATOS DEFENSE & SECURITY SOLUTIONS INC | 2.43% | 2.34% | 2.34% |
| KRMNKARMAN HOLDINGS INC | 1.88% | 2.80% | 1.88% |
| MRCYMERCURY SYSTEMS INC | 1.24% | 2.25% | 1.24% |
| DRSLEONARDO DRS INC | 0.77% | 1.98% | 0.77% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in AIRR
Only in XAR
Questions people ask
Is AIRR the same as XAR?
11.4% of their weight sits in the same 6 holdings. AIRR also reports STRL, AGX, FIX, which the other does not. XAR also reports VSEC, AXON, SARO, which the other does not.
How is the overlap between AIRR 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 100% of AIRR and 100% of XAR, so the number cannot exceed the smaller coverage.
Which holds more, XAR or AIRR?
AIRR reports 51 stock positions and XAR reports 47. 88.2% of AIRR's weight sits in names XAR does not hold, and 85.4% of XAR's weight in names AIRR does not hold. The ten largest positions are 41.3% of AIRR and 30.4% of XAR.
How do AIRR and XAR differ by sector?
The widest gap is Industrials: XAR has 12.3 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.
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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.