Data as of Oct 28, 2026.
IWO vs MAGS: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWO returned +7.9% to MAGS's +5.8%; 0% of their weight is in the same names.
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Net assets: $14.0bn on Oct 27, 2026 for iShares Russell 2000 Growth ETF, and $5.5bn on Oct 28, 2026 for Roundhill Magnificent Seven ETF.
Pair scorecard
IWO costs 0.06 points a year less; their one-year returns differ by 2.1 points; IWO is 2.5 times larger.
| Measure | IWO | MAGS |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.9% | +5.8% |
| Drawdown | ||
| Below its high | 9.9%, high on Aug 14, 2026 | 4.1%, high on Oct 13, 2026 |
| Benchmark | ||
| What it tracks | Russell 2000 Growth Index | No index, actively managed |
| Cost and size | ||
| Expense ratio | 0.24% | 0.30% |
| Net assets, as of Oct 27, 2026 | $14.0bn | $5.5bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 6.4% | 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 +55.1%. IWO swung less: 20.3% to 24.0%. IWO fell slightly less at its worst: −26.0% to −26.6%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IWO | MAGS | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +55.1% | +189.1% | MAGS | Price change plus distributions, reinvested. |
| Annualized | +13.3% | +35.2% | MAGS | Total return as a yearly rate. |
| Price return | +51.7% | +181.4% | MAGS | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 20.3% | 24.0% | IWO | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.5% | 14.5% | IWO (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −26.0% | −26.6% | IWO (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.49 | 1.19 | MAGS | Return above Treasury bills per unit of volatility. |
| Sortino | 0.74 | 1.97 | MAGS | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.51 | 1.33 | 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, IWO and MAGS 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
IWO and MAGS 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.
IWO
IWO tracks the Russell 2000 Growth. Over the year to Oct 28, 2026 it returned +7.9% with distributions reinvested, against +8.0% for its benchmark, the Russell 2000 Growth Index. The prospectus expense ratio is 0.24% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,122 positions, with the top ten at 6.4%. It sat 9.9% below its high of Aug 14, 2026 on Oct 28, 2026.
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.
Questions people ask
- Which returned more over the last year, IWO or MAGS?
- In the year to Oct 28, 2026, with distributions reinvested, IWO returned +7.9% and MAGS +5.8%.
- Which is cheaper, IWO or MAGS?
- IWO is cheaper, by 0.06 percentage points a year. That is about $6 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, IWO against MAGS, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwo-vs-mags
ETFIQ. (Oct 28, 2026). IWO against MAGS. Retrieved from https://etfiq.com/compare/any/iwo-vs-mags
[IWO against MAGS (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwo-vs-mags)
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