Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs MAGS: how they differ
IWB and MAGS hold 22% of their weight in the same names, and IWB returned more over the year.
iShares Russell 1000 ETF and Roundhill Magnificent Seven ETF.
What they hold in common
By the books each fund has filed, IWB and MAGS hold 22% of their money in the same securities at the same weight.
| Holding | IWB | MAGS |
|---|---|---|
| NVIDIA CORPORATION | 6.73% | 4.15% |
| APPLE INC. | 6.03% | 4.12% |
| MICROSOFT CORPORATION | 4.00% | 3.62% |
| AMAZON.COM, INC. | 3.33% | 4.11% |
| ALPHABET INC. | 3.00% | 2.89% |
| META PLATFORMS, INC. | 1.79% | 3.59% |
| TESLA, INC. | 1.77% | 4.07% |
| Only in IWB | Only in MAGS |
|---|---|
| BROADCOM INC. 2.54% | TREASURY BILL 65.41% |
| ALPHABET INC. 2.42% | Roundhill Ultra Short Duration 8.06% |
| MICRON TECHNOLOGY, INC. 1.88% | |
| ELI LILLY AND COMPANY 1.38% | |
| ADVANCED MICRO DEVICES, INC. 1.36% | |
| BERKSHIRE HATHAWAY INC. 1.34% | |
| JPMORGAN CHASE & CO. 1.26% | |
| INTEL CORPORATION 0.88% |
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.
| IWB iShares Russell 1000 ETF | MAGS Roundhill Magnificent Seven ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Roundhill |
| What it is | Russell 1000 | Magnificent Seven |
| Total return, 1 year | +16.7% | +14.4% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | −3.1 pts |
| Expense ratio | 0.15% | 0.30% |
| Already in the S&P 500 | 91.9% | 26.5% |
| Holdings | 1024 | 9 |
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1024 positions, with the top ten at 33.5%.
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, IWB or MAGS?
- In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% and MAGS returned +14.4%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or MAGS?
- IWB charges 0.15% a year and MAGS charges 0.30%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and MAGS overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 26% of MAGS by weight is stocks the S&P 500 already holds. Between the two funds, 22% of their books are the same securities at the same weight.
Other comparisons
Where to next
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, IWB against MAGS, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWB-MAGS Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources