VO vs XLI overlap - what they share and where they differ
VO and XLI share 17.4% of their weight across 40 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.
VO and XLI
17.4%
40 shared positions
VO
VANGUARD MID-CAP INDEX FUND
Reported positions cover 100% of the fund, 279 positions · Jun 30, 2026
Top 10: 9.5%·Holdings of VO
XLI
State Street(R) Industrial Select Sector SPDR(R) ETF
Reported positions cover 100% of the fund, 81 positions · Jun 30, 2026
Top 10: 41.4%·Holdings of XLI
Reported positions cover VO 100%, XLI 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XLI vs VO side by side
VOVANGUARD MID-CAP INDEX FUND
279
stock positions reported to the SEC
82.3% of its weight is in 239 names XLI does not hold
XLIState Street(R) Industrial Select Sector SPDR(R) ETF
81
stock positions reported to the SEC
65.2% of its weight is in 41 names VO does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: XLI has 25.0 points more of it.
The figures side by side
| VO | XLI | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 279 | 81 |
| Weight of the ten largest | 9.5% | 41.4% |
| Largest position | VRT 1.2% | CAT 8.5% |
| Held alone | 239 positions, 82.3% | 41 positions, 65.2% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In VO | In XLI | Counted |
|---|---|---|---|
| VRTVertiv Holdings Co | 1.22% | 2.23% | 1.22% |
| HWMHowmet Aerospace Inc | 1.04% | 1.87% | 1.04% |
| PWRQuanta Services Inc | 1.04% | 1.88% | 1.04% |
| CMICummins Inc | 0.95% | 1.71% | 0.95% |
| TDGTransDigm Group Inc | 0.72% | 1.29% | 0.72% |
| URIUnited Rentals Inc | 0.69% | 1.23% | 0.69% |
| FIXComfort Systems USA Inc | 0.67% | 1.21% | 0.67% |
| PCARPACCAR Inc | 0.61% | 1.10% | 0.61% |
| WW GRAINGER INC | 0.59% | 1.03% | 0.59% |
| DALDelta Air Lines Inc | 0.57% | 1.06% | 0.57% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in VO
Only in XLI
Questions people ask
Is VO the same as XLI?
17.4% of their weight sits in the same 40 holdings. VO also reports WDC, STX, DDOG, which the other does not. XLI also reports CAT, GENERAL ELECTRIC CO, GEV, which the other does not.
How is the overlap between VO and XLI 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 VO and 100% of XLI, so the number cannot exceed the smaller coverage.
Which holds more, XLI or VO?
VO reports 279 stock positions and XLI reports 81. 82.3% of VO's weight sits in names XLI does not hold, and 65.2% of XLI's weight in names VO does not hold. The ten largest positions are 9.5% of VO and 41.4% of XLI.
How do VO and XLI differ by sector?
The widest gap is Industrials: XLI has 25.0 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.