MGK vs XLC overlap - what they share and where they differ
MGK and XLC share 15.8% of their weight across 3 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 XLC
15.8%
3 shared positions
MGK
VANGUARD MEGA CAP GROWTH INDEX FUND
Reported positions cover 100% of the fund, 55 positions · Jun 30, 2026
Top 10: 66.8%·Holdings of MGK
XLC
State Street(R) Communication Services Select Sector SPDR(R) ETF
Reported positions cover 100% of the fund, 20 positions · Jun 30, 2026
Top 10: 80.3%·Holdings of XLC
Reported positions cover MGK 100%, XLC 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XLC vs MGK side by side
MGKVANGUARD MEGA CAP GROWTH INDEX FUND
55
stock positions reported to the SEC
84.0% of its weight is in 52 names XLC does not hold
XLCState Street(R) Communication Services Select Sector SPDR(R) ETF
20
stock positions reported to the SEC
51.6% of its weight is in 17 names MGK does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Communication Services: XLC has 40.6 points more of it.
The figures side by side
| MGK | XLC | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 55 | 20 |
| Weight of the ten largest | 66.8% | 80.3% |
| Largest position | NVDA 13.3% | GOOGL 23.5% |
| Held alone | 52 positions, 84.0% | 17 positions, 51.6% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In MGK | In XLC | Counted |
|---|---|---|---|
| GOOGLAlphabet Inc | 10.58% | 23.50% | 10.58% |
| METAMeta Platforms Inc | 4.08% | 19.90% | 4.08% |
| NFLXNetflix Inc | 1.12% | 4.84% | 1.12% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in MGK
Only in XLC
Questions people ask
Is MGK the same as XLC?
15.8% of their weight sits in the same 3 holdings. MGK also reports NVDA, AAPL, MSFT, which the other does not. XLC also reports TTWO, CMCSA, WARNER BROS DISCOVERY INC, which the other does not.
How is the overlap between MGK and XLC 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 XLC, so the number cannot exceed the smaller coverage.
Which holds more, XLC or MGK?
MGK reports 55 stock positions and XLC reports 20. 84.0% of MGK's weight sits in names XLC does not hold, and 51.6% of XLC's weight in names MGK does not hold. The ten largest positions are 66.8% of MGK and 80.3% of XLC.
How do MGK and XLC differ by sector?
The widest gap is Communication Services: XLC has 40.6 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.