MGK vs VUG overlap - what they share and where they differ
MGK and VUG share 85.8% of their weight across 55 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.
MGK and VUG
85.8%
55 shared positions
MGK
VANGUARD MEGA CAP GROWTH INDEX FUND
Reported positions cover 100% of the fund, 55 positions · Jun 30, 2026
Top 10: 66.9%·Holdings of MGK
VUG
VANGUARD GROWTH INDEX FUND
Reported positions cover 100% of the fund, 144 positions · Jun 30, 2026
Top 10: 63.1%·Holdings of VUG
Reported positions cover MGK 100%, VUG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VUG vs MGK side by side
MGKVANGUARD MEGA CAP GROWTH INDEX FUND
55
stock positions reported to the SEC
0.0% of its weight is in 0 names VUG does not hold
VUGVANGUARD GROWTH INDEX FUND
144
stock positions reported to the SEC
13.3% of its weight is in 89 names MGK does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: MGK has 2.4 points more of it.
The figures side by side
| MGK | VUG | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 55 | 144 |
| Weight of the ten largest | 66.9% | 63.1% |
| Largest position | NVDA 13.3% | NVDA 12.6% |
| Held alone | 0 positions, 0.0% | 89 positions, 13.3% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In MGK | In VUG | Counted |
|---|---|---|---|
| NVDANVIDIA Corp | 13.27% | 12.63% | 12.63% |
| AAPLApple Inc | 12.17% | 11.67% | 11.67% |
| GOOGLAlphabet Inc | 10.58% | 10.29% | 10.29% |
| MSFTMicrosoft Corp | 7.50% | 7.61% | 7.50% |
| AMZNAmazon.com Inc | 4.46% | 4.47% | 4.46% |
| AVGOBroadcom Inc | 4.27% | 4.28% | 4.27% |
| METAMeta Platforms Inc | 4.08% | 3.41% | 3.41% |
| TSLATesla Inc | 3.93% | 3.27% | 3.27% |
| LLYEli Lilly & Co | 3.40% | 2.81% | 2.81% |
| AMDAdvanced Micro Devices Inc | 3.19% | 2.62% | 2.62% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in MGK
Nothing among its reported positions that the others do not also hold.
Only in VUG
Questions people ask
Is MGK the same as VUG?
85.8% of their weight sits in the same 55 holdings. Among its reported positions, MGK holds nothing the other does not also hold. VUG also reports COST, GENERAL ELECTRIC CO, MCD, which the other does not.
How is the overlap between MGK and VUG 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 MGK and 100% of VUG, so the number cannot exceed the smaller coverage.
Which holds more, VUG or MGK?
MGK reports 55 stock positions and VUG reports 144. 0.0% of MGK's weight sits in names VUG does not hold, and 13.3% of VUG's weight in names MGK does not hold. The ten largest positions are 66.9% of MGK and 63.1% of VUG.
How do MGK and VUG differ by sector?
The widest gap is Technology: MGK has 2.4 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.
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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.