Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MGK vs VONG: how they differ
MGK and VONG hold 76% of their weight in the same names, and MGK returned more over the year.
Vanguard Mega Cap Growth Index Fund and Vanguard Russell 1000 Growth Index Fund.
What they hold in common
By the books each fund has filed, MGK and VONG hold 76% of their money in the same securities at the same weight.
| Holding | MGK | VONG |
|---|---|---|
| NVIDIA Corp | 13.29% | 13.09% |
| Apple Inc | 12.19% | 11.97% |
| Microsoft Corp | 7.52% | 8.98% |
| Amazon.com Inc | 4.47% | 5.07% |
| Broadcom Inc | 4.28% | 5.78% |
| Alphabet Inc | 5.93% | 3.91% |
| Tesla Inc | 3.93% | 3.48% |
| Meta Platforms Inc | 4.08% | 3.20% |
| Alphabet Inc | 4.67% | 3.15% |
| Eli Lilly & Co | 3.41% | 2.67% |
| Visa Inc | 1.82% | 1.57% |
| Advanced Micro Devices Inc | 3.20% | 1.47% |
| Only in MGK | Only in VONG |
|---|---|
| Sandisk Corp 1.28% | Costco Wholesale Corp 1.28% |
| Intel Corp 1.10% | AbbVie Inc 1.16% |
| Corning Inc 0.90% | General Electric Co 1.02% |
| Welltower Inc 0.71% | Home Depot Inc/The 0.73% |
| Western Digital Corp 0.52% | Coca-Cola Co/The 0.45% |
| Seagate Technology Holdings PLC 0.51% | Amgen Inc 0.40% |
| Equinix Inc 0.50% | Vertiv Holdings Co 0.36% |
| Space Exploration Technologies Corp 0.48% | Texas Instruments Inc 0.34% |
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 | VONG Vanguard Russell 1000 Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Vanguard | Vanguard |
| What it is | Mega Cap Growth | Russell 1000 Growth |
| Total return, 1 year | +14.9% | +7.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −2.6 pts | −10.3 pts |
| Expense ratio | 0.07% | 0.07% |
| Already in the S&P 500 | 99.2% | 95.6% |
| Holdings | 56 | 387 |
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%.
VONG in plain words
VONG is an index equity fund tracking the Russell 1000 Growth. Over the year to Sep 11, 2026 it returned +7.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for May 31, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 387 positions, with the top ten at 61.3%. It sat 4.9% below its high of Jun 1, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MGK or VONG?
- In the year to Sep 12, 2026, with distributions reinvested, MGK returned +14.9% and VONG returned +7.2%, so MGK returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MGK or VONG?
- MGK charges 0.07% a year and VONG charges 0.07%, so MGK is cheaper. Fees come from each fund's prospectus.
- How much do MGK and VONG overlap with the S&P 500?
- By their latest filed holdings, 99% of MGK and 96% of VONG by weight is stocks the S&P 500 already holds. Between the two funds, 76% 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 VONG, data as of Sep 12, 2026. https://etfiq.com/compare/any/MGK-VONG Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources