Data as of Oct 28, 2026.
MGC vs MGK: Differences, Returns & Fees
Over the year to Oct 28, 2026, MGC returned +13.4% to MGK's +7.8%; 63% of their weight is in the same names.
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Net assets on Sep 30, 2026: $10.3bn for Vanguard Morningstar Mega Cap ETF and $34.9bn for Vanguard Morningstar Mega Cap Growth ETF.
Pair scorecard
Both cost 0.05% a year; their one-year returns differ by 5.6 points; MGK is 3.4 times larger.
| Measure | MGC | MGK |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.4% | +7.8% |
| Drawdown | ||
| Below its high | 4.4%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | Morningstar US Mega Cap Index | Morningstar US Mega Cap Growth Index |
| Cost and size | ||
| Expense ratio | 0.05% | 0.05% |
| Net assets, as of Sep 30, 2026 | $10.3bn | $34.9bn |
| Holdings | ||
| Holdings in common | 63% | |
| Top ten holdings, share of the fund | 46.8% | 64.5% |
Holdings in common uses holdings dated Sep 30, 2026. Method
Risk and return
Jan 4, 2008 to Oct 23, 2026 · 981 weekly returnsMGK returned more: +1,024.1% to +711.9%. MGC swung slightly less: 17.8% to 19.5%. MGK fell slightly less at its worst: −46.4% to −49.7%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | MGC | MGK | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +711.9% | +1,024.1% | MGK | Price change plus distributions, reinvested. |
| Annualized | +11.7% | +13.7% | MGK | Total return as a yearly rate. |
| Price return | +478.9% | +823.8% | MGK | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 17.8% | 19.5% | MGC (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 12.5% | 13.3% | MGC (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −49.7% | −46.4% | MGK (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.63 | 0.68 | MGK (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.90 | 1.00 | MGK (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.24 | 0.30 | MGK | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 981 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, MGC and MGK hold 63% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026.
half
63% in common
Only in one fund ↓
Side by side
MGC and MGK on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MGC and MGK do different jobs. What does each one do in a portfolio?
- What each follows. MGC follows Morningstar US Mega Cap Index and MGK follows Morningstar US Mega Cap Growth Index.
- One-year total return. Over 1 year to Oct 28, 2026 MGC returned +13.4% and MGK +7.8% with distributions reinvested, a gap of 5.6 points.
- Number of holdings. MGC holds 167 positions and MGK holds 54.
Data as of Oct 28, 2026.
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MGC
MGC tracks an index. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 167 positions, with the top ten at 46.8%.
MGK
MGK tracks an index of Mega Cap Growth. Over the year to Oct 28, 2026 it returned +7.8% with distributions reinvested. By its holdings published by its issuer as of Sep 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 54 positions, with the top ten at 64.5%. It sat 4.4% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, MGC against MGK, data as of Oct 28, 2026. https://etfiq.com/compare/any/mgc-vs-mgk
ETFIQ. (Oct 28, 2026). MGC against MGK. Retrieved from https://etfiq.com/compare/any/mgc-vs-mgk
[MGC against MGK (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mgc-vs-mgk)
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