Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MGK vs ONEQ: how they differ
MGK and ONEQ hold 65% of their weight in the same names, and ONEQ returned more over the year.
Vanguard Mega Cap Growth Index Fund and Fidelity Nasdaq Composite Index ETF.
What they hold in common
By the books each fund has filed, MGK and ONEQ hold 65% of their money in the same securities at the same weight.
| Holding | MGK | ONEQ |
|---|---|---|
| NVIDIA Corp | 13.29% | 11.24% |
| Apple Inc | 12.19% | 10.04% |
| Microsoft Corp | 7.52% | 7.32% |
| Alphabet Inc | 5.93% | 4.85% |
| Alphabet Inc | 4.67% | 4.48% |
| Amazon.com Inc | 4.47% | 6.37% |
| Broadcom Inc | 4.28% | 4.64% |
| Tesla Inc | 3.93% | 3.58% |
| Meta Platforms Inc | 4.08% | 3.03% |
| Advanced Micro Devices Inc | 3.20% | 1.84% |
| Intel Corp | 1.10% | 1.25% |
| Lam Research Corp | 1.93% | 0.87% |
| Only in MGK | Only in ONEQ |
|---|---|
| Eli Lilly & Co 3.41% | MICRON TECHNOLOGY INC 2.38% |
| Visa Inc 1.82% | WALMART INC 2.02% |
| Mastercard Inc 1.47% | CISCO SYSTEMS INC 1.04% |
| GE Vernova Inc 1.21% | COSTCO WHOLESALE CORP 0.93% |
| Oracle Corp 0.95% | TEXAS INSTRUMENTS INC. 0.60% |
| Corning Inc 0.90% | QUALCOMM INC 0.58% |
| Amphenol Corp 0.89% | LINDE PLC 0.50% |
| Arista Networks Inc 0.77% | T-MOBILE US INC 0.45% |
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 May 31, 2026.
| MGK Vanguard Mega Cap Growth Index Fund | ONEQ Fidelity Nasdaq Composite Index ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | Fidelity |
| What it is | Mega Cap Growth | Nasdaq Composite |
| Total return, 1 year | +14.9% | +20.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −2.6 pts | +3.1 pts |
| Expense ratio | 0.07% | 0.21% |
| Already in the S&P 500 | 99.2% | 87.4% |
| Holdings | 56 | 1022 |
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%.
ONEQ in plain words
ONEQ is an index equity fund tracking the Nasdaq Composite. Over the year to Sep 11, 2026 it returned +20.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.21% a year. By its holdings filed for May 31, 2026, 87% of the fund by weight is stocks the S&P 500 also holds, across 1022 positions, with the top ten at 57.9%.
Questions people ask
- Which returned more over the last year, MGK or ONEQ?
- In the year to Sep 12, 2026, with distributions reinvested, MGK returned +14.9% and ONEQ returned +20.6%, so ONEQ returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MGK or ONEQ?
- MGK charges 0.07% a year and ONEQ charges 0.21%, so MGK is cheaper. Fees come from each fund's prospectus.
- How much do MGK and ONEQ overlap with the S&P 500?
- By their latest filed holdings, 99% of MGK and 87% of ONEQ by weight is stocks the S&P 500 already holds. Between the two funds, 65% 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 ONEQ, data as of Sep 12, 2026. https://etfiq.com/compare/any/MGK-ONEQ Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources