Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MGK vs XLB: how they differ
MGK and XLB hold 0% of their weight in the same names, and MGK returned more over the year.
Vanguard Mega Cap Growth Index Fund and State Street(R) Materials Select Sector SPDR(R) ETF.
What they hold in common
By the books each fund has filed, MGK and XLB hold 0% of their money in the same securities at the same weight.
| Holding | MGK | XLB |
|---|---|---|
| Ecolab Inc | 0.42% | 4.73% |
| Only in MGK | Only in XLB |
|---|---|
| NVIDIA Corp 13.29% | Linde PLC 14.08% |
| Apple Inc 12.19% | Newmont Corp 5.85% |
| Microsoft Corp 7.52% | Freeport-McMoRan Inc 5.31% |
| Alphabet Inc 5.93% | Corteva Inc 4.97% |
| Alphabet Inc 4.67% | Sherwin-Williams Co/The 4.95% |
| Amazon.com Inc 4.47% | Vulcan Materials Co 4.72% |
| Broadcom Inc 4.28% | CRH PLC 4.67% |
| Meta Platforms Inc 4.08% | Air Products and Chemicals Inc 4.63% |
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.
| MGK Vanguard Mega Cap Growth Index Fund | XLB State Street(R) Materials Select Sector SPDR(R) ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | State Street |
| What it is | Mega Cap Growth | Materials |
| Total return, 1 year | +14.9% | +12.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −2.6 pts | −5.5 pts |
| Expense ratio | 0.07% | 0.08% |
| Already in the S&P 500 | 99.2% | 100.0% |
| Holdings | 56 | 26 |
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%.
XLB in plain words
XLB is an index equity fund tracking the Materials. Over the year to Sep 11, 2026 it returned +12.0% 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 Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 26 positions, with the top ten at 58.5%. It sat 5.1% below its high of Aug 26, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MGK or XLB?
- In the year to Sep 12, 2026, with distributions reinvested, MGK returned +14.9% and XLB returned +12.0%, so MGK returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MGK or XLB?
- MGK charges 0.07% a year and XLB charges 0.08%, so MGK is cheaper. Fees come from each fund's prospectus.
- How much do MGK and XLB overlap with the S&P 500?
- By their latest filed holdings, 99% of MGK and 100% of XLB 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.
Cite this page. ETFIQ, MGK against XLB, data as of Sep 12, 2026. https://etfiq.com/compare/any/MGK-XLB Free to use with attribution; the underlying files are at Open data.
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