Data as of Oct 28, 2026.
MGK vs SPMO: Differences, Returns & Fees
Over the year to Oct 28, 2026, MGK returned +7.8% to SPMO's +18.4%; 34% of their weight is in the same names.
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Net assets: $34.9bn on Sep 30, 2026 for Vanguard Morningstar Mega Cap Growth ETF, and $22.3bn on Oct 27, 2026 for Invesco S&P 500 Momentum ETF.
Pair scorecard
MGK costs 0.08 points a year less; their one-year returns differ by 10.6 points.
| Measure | MGK | SPMO |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.8% | +18.4% |
| Drawdown | ||
| Below its high | 4.4%, high on Oct 6, 2026 | 10.2%, high on Jun 22, 2026 |
| Benchmark | ||
| What it tracks | Morningstar US Mega Cap Growth Index | S&P 500 Momentum Index |
| Cost and size | ||
| Expense ratio | 0.05% | 0.13% |
| Net assets, MGK as of Sep 30, 2026 and SPMO as of Oct 27, 2026 | $34.9bn | $22.3bn |
| Holdings | ||
| Holdings in common | 34% | |
| Top ten holdings, share of the fund | 64.5% | 50.7% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Oct 23, 2015 to Oct 23, 2026 · 574 weekly returnsSPMO returned slightly more: +519.8% to +472.4%. SPMO swung slightly less: 19.0% to 20.0%. SPMO fell less at its worst: −28.3% to −35.2%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | MGK | SPMO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +472.4% | +519.8% | SPMO (slight) | Price change plus distributions, reinvested. |
| Annualized | +17.1% | +18.0% | SPMO (slight) | Total return as a yearly rate. |
| Price return | +424.2% | +442.9% | SPMO (slight) | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 20.0% | 19.0% | SPMO (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.4% | 12.6% | SPMO (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −35.2% | −28.3% | SPMO | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.78 | 0.84 | SPMO (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 1.16 | 1.27 | SPMO (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.49 | 0.63 | SPMO | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 574 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, MGK and SPMO hold 34% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
34% in common
Only in one fund ↓
Side by side
MGK and SPMO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MGK and SPMO do different jobs. What does each one do in a portfolio?
- What each follows. MGK follows Morningstar US Mega Cap Growth Index and SPMO follows S&P 500 Momentum Index.
- Holdings in common. 34% of the weight is in the same securities (holdings dated Sep 30, 2026 and Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 MGK returned +7.8% and SPMO +18.4% with distributions reinvested, a gap of 10.6 points.
Data as of Oct 28, 2026.
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MGK
MGK tracks an index of Mega Cap Growth. Over the year to Oct 28, 2026 it returned +7.8% 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 54 positions, with the top ten at 64.5%. It sat 4.4% below its high of Oct 6, 2026 on Oct 28, 2026.
SPMO
SPMO tracks the S&P 500 Momentum. Over the year to Oct 28, 2026 it returned +18.4% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.13% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 101 positions, with the top ten at 50.7%. It sat 10.2% below its high of Jun 22, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, MGK or SPMO?
- In the year to Oct 28, 2026, with distributions reinvested, MGK returned +7.8% and SPMO +18.4%.
- Which is cheaper, MGK or SPMO?
- MGK is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.
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, MGK against SPMO, data as of Oct 28, 2026. https://etfiq.com/compare/any/mgk-vs-spmo
ETFIQ. (Oct 28, 2026). MGK against SPMO. Retrieved from https://etfiq.com/compare/any/mgk-vs-spmo
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