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Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MGK vs XLK: how they differ

MGK and XLK hold 0% of their weight in the same names, and XLK returned more over the year.

Vanguard Mega Cap Growth Index Fund and State Street(R) Technology Select Sector SPDR(R) ETF.

What they hold in common

By the books each fund has filed, MGK and XLK hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in MGKOnly in XLK
NVIDIA Corp 13.29%NVIDIA CORP 14.31%
Apple Inc 12.19%APPLE INC 12.98%
Microsoft Corp 7.52%MICROSOFT CORP 9.90%
Alphabet Inc 5.93%BROADCOM INC 4.62%
Alphabet Inc 4.67%ADVANCED MICRO DEVICES 4.23%
Amazon.com Inc 4.47%MICRON TECHNOLOGY INC 4.11%
Broadcom Inc 4.28%INTEL CORP 3.27%
Meta Platforms Inc 4.08%CISCO SYSTEMS INC 2.80%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Sep 10, 2026.

MGK and XLK on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
MGK
Vanguard Mega Cap Growth Index Fund
XLK
State Street(R) Technology Select Sector SPDR(R) ETF
Where it sitsCore index fundCore index fund
IssuerVanguardState Street
What it isMega Cap GrowthTechnology
Total return, 1 year+14.9%+39.2%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−2.6 pts+21.7 pts
Expense ratio0.07%0.08%
Already in the S&P 50099.2%100.0%
Holdings5674

MGK in plain words

MGK is an index equity fund tracking the Mega Cap Growth. Over the year to Sep 11, 2026 it returned +14.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for Jun 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 56 positions, with the top ten at 63.8%.

XLK in plain words

XLK is an index equity fund tracking the Technology. Over the year to Sep 11, 2026 it returned +39.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.08% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 74 positions, with the top ten at 61.2%. It sat 5.2% below its high of Jun 2, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MGK or XLK?
In the year to Sep 13, 2026, with distributions reinvested, MGK returned +14.9% and XLK returned +39.2%, so XLK returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MGK or XLK?
MGK charges 0.07% a year and XLK charges 0.08%, so MGK is cheaper. Fees come from each fund's prospectus.
How much do MGK and XLK overlap with the S&P 500?
By their latest filed holdings, 99% of MGK and 100% of XLK by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

MGK against XLK, ETFIQ, data as of Sep 13, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MGK against XLK, data as of Sep 13, 2026. https://etfiq.com/compare/any/mgk-vs-xlk Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources