VO vs VOT overlap - what they share and where they differ
VO and VOT share 45.2% of their weight across 121 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 VOT
45.2%
121 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
VOT
VANGUARD MID-CAP GROWTH INDEX FUND
Reported positions cover 100% of the fund, 121 positions · Jun 30, 2026
Top 10: 21.3%·Holdings of VOT
Reported positions cover VO 100%, VOT 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VOT vs VO side by side
VOVANGUARD MID-CAP INDEX FUND
279
stock positions reported to the SEC
54.5% of its weight is in 158 names VOT does not hold
VOTVANGUARD MID-CAP GROWTH INDEX FUND
121
stock positions reported to the SEC
0.0% of its weight is in 0 names VO does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: VOT has 15.1 points more of it.
The figures side by side
| VO | VOT | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 279 | 121 |
| Weight of the ten largest | 9.5% | 21.3% |
| Largest position | VRT 1.2% | VRT 2.8% |
| Held alone | 158 positions, 54.5% | 0 positions, 0.0% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In VO | In VOT | Counted |
|---|---|---|---|
| VRTVertiv Holdings Co | 1.22% | 2.83% | 1.22% |
| WDCWestern Digital Corp | 1.06% | 2.42% | 1.06% |
| STXSeagate Technology Holdings PLC | 1.05% | 2.38% | 1.05% |
| HWMHowmet Aerospace Inc | 1.04% | 2.37% | 1.04% |
| PWRQuanta Services Inc | 1.04% | 2.38% | 1.04% |
| DDOGDatadog Inc | 0.83% | 1.90% | 0.83% |
| BEBloom Energy Corp | 0.79% | 1.80% | 0.79% |
| CEGConstellation Energy Corp | 0.78% | 1.77% | 0.78% |
| HOODRobinhood Markets Inc | 0.77% | 1.75% | 0.77% |
| NETCloudflare Inc | 0.76% | 1.72% | 0.76% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in VO
Only in VOT
Nothing among its reported positions that the others do not also hold.
Questions people ask
Is VO the same as VOT?
45.2% of their weight sits in the same 121 holdings. VO also reports CMI, VLO, MPC, which the other does not. Among its reported positions, VOT holds nothing the other does not also hold.
How is the overlap between VO and VOT 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 VOT, so the number cannot exceed the smaller coverage.
Which holds more, VOT or VO?
VO reports 279 stock positions and VOT reports 121. 54.5% of VO's weight sits in names VOT does not hold, and 0.0% of VOT's weight in names VO does not hold. The ten largest positions are 9.5% of VO and 21.3% of VOT.
How do VO and VOT differ by sector?
The widest gap is Technology: VOT has 15.1 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.