Data as of Oct 28, 2026.
MAGS vs MBB: Differences, Returns & Fees
Over the year to Oct 28, 2026, MAGS returned +5.8% to MBB's −0.8%; 0% of their weight is in the same names.
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Net assets on Oct 28, 2026: $5.5bn for Roundhill Magnificent Seven ETF and $35.5bn for iShares MBS ETF.
Pair scorecard
MBB costs 0.26 points a year less; their one-year returns differ by 6.6 points; MBB is 6.5 times larger.
| Measure | MAGS | MBB |
|---|---|---|
| Return | ||
| Total return, 1 year | +5.8% | −0.8% |
| Drawdown | ||
| Below its high | 4.1%, high on Oct 13, 2026 | |
| Benchmark | ||
| What it tracks | No index, actively managed | Bloomberg U.S. MBS Index |
| Cost and size | ||
| Expense ratio | 0.30% | 0.04% |
| Net assets | $5.5bn | $35.5bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 22% | |
| Top ten holdings, share of the fund | 29.3% | |
Holdings in common uses holdings dated Jun 30, 2026 and Oct 27, 2026. Method
Risk and return
Apr 21, 2023 to Oct 23, 2026 · 183 weekly returnsMAGS returned more: +189.1% to +11.6%. MBB swung less: 5.9% to 24.0%. MBB fell less at its worst: −7.9% to −26.6%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | MAGS | MBB | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +189.1% | +11.6% | MAGS | Price change plus distributions, reinvested. |
| Annualized | +35.2% | +3.2% | MAGS | Total return as a yearly rate. |
| Price return | +181.4% | −3.1% | MAGS | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 24.0% | 5.9% | MBB | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 14.5% | 4.2% | MBB | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −26.6% | −7.9% | MBB | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 1.19 | −0.22 | MAGS | Return above Treasury bills per unit of volatility. |
| Sortino | 1.97 | −0.31 | MAGS | Return above Treasury bills per unit of downside deviation. |
| Calmar | 1.33 | 0.40 | MAGS | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 183 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, MAGS and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
MAGS and MBB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
No client brief for this pair: the two funds' holdings are dated 119 days apart.
MAGS
MAGS is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +5.8% with distributions reinvested. The prospectus expense ratio is 0.30% a year. By its holdings filed for Jun 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 8 positions, with the top ten at 29.3%. It sat 4.1% below its high of Oct 13, 2026 on Oct 28, 2026.
MBB
MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.
Questions people ask
- Which returned more over the last year, MAGS or MBB?
- In the year to Oct 28, 2026, with distributions reinvested, MAGS returned +5.8% and MBB −0.8%.
- Which is cheaper, MAGS or MBB?
- MBB is cheaper, by 0.26 percentage points a year. That is about $26 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, MAGS against MBB, data as of Oct 28, 2026. https://etfiq.com/compare/any/mags-vs-mbb
ETFIQ. (Oct 28, 2026). MAGS against MBB. Retrieved from https://etfiq.com/compare/any/mags-vs-mbb
[MAGS against MBB (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mags-vs-mbb)
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