Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IWO vs MAGS: how they differ
IWO and MAGS hold 0% of their weight in the same names, and IWO returned more over the year.
iShares Russell 2000 Growth ETF and Roundhill Magnificent Seven ETF.
What they hold in common
By the books each fund has filed, IWO and MAGS hold 0% of their money in the same securities at the same weight.
| Only in IWO | Only in MAGS |
|---|---|
| MOOG INC CLASS A 0.69% | TREASURY BILL 65.41% |
| GLAUKOS 0.65% | Roundhill Ultra Short Duration 8.06% |
| JFROG 0.64% | NVIDIA Corp 4.15% |
| BRIGHTSPRING HEALTH SERVICES INC 0.62% | Apple Inc 4.12% |
| FIRSTCASH HOLDINGS INC 0.62% | Amazon.com Inc 4.11% |
| BRINKER INTERNATIONAL INC 0.61% | Tesla Inc 4.07% |
| INTERDIGITAL INC 0.60% | Microsoft Corp 3.62% |
| KRYSTAL BIOTECH 0.59% | Meta Platforms Inc 3.59% |
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 Sep 10, 2026.
| IWO iShares Russell 2000 Growth ETF | MAGS Roundhill Magnificent Seven ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Roundhill |
| What it is | Russell 2000 Growth | Magnificent Seven |
| Total return, 1 year | +17.0% | +14.4% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.5 pts | −3.1 pts |
| Expense ratio | 0.24% | 0.30% |
| Already in the S&P 500 | 0.0% | 26.5% |
| Holdings | 970 | 9 |
IWO in plain words
IWO is an index equity fund tracking the Russell 2000 Growth. Over the year to Sep 11, 2026 it returned +17.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 970 positions, with the top ten at 6.2%. It sat 7.1% below its high of Aug 14, 2026 on Sep 11, 2026.
MAGS in plain words
MAGS is an index equity fund tracking the Magnificent Seven. Over the year to Sep 11, 2026 it returned +14.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.30% a year. By its holdings filed for Jun 30, 2026, 26% of the fund by weight is stocks the S&P 500 also holds, across 9 positions, with the top ten at 100.0%.
Questions people ask
- Which returned more over the last year, IWO or MAGS?
- In the year to Sep 13, 2026, with distributions reinvested, IWO returned +17.0% and MAGS returned +14.4%, so IWO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWO or MAGS?
- IWO charges 0.24% a year and MAGS charges 0.30%, so IWO is cheaper. Fees come from each fund's prospectus.
- How much do IWO and MAGS overlap with the S&P 500?
- By their latest filed holdings, 0% of IWO and 26% of MAGS by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
Other comparisons
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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, IWO against MAGS, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwo-vs-mags Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources