Data as of Oct 28, 2026.
IDEV vs MAGS: Differences, Returns & Fees
Over the year to Oct 28, 2026, IDEV returned +13.4% to MAGS's +5.8%; 0% of their weight is in the same names.
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Net assets on Oct 28, 2026: $34.0bn for iShares Core MSCI International Developed Markets ETF and $5.5bn for Roundhill Magnificent Seven ETF.
Pair scorecard
IDEV costs 0.26 points a year less; their one-year returns differ by 7.6 points; IDEV is 6.2 times larger.
| Measure | IDEV | MAGS |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.4% | +5.8% |
| Drawdown | ||
| Below its high | 4.4%, high on Aug 25, 2026 | 4.1%, high on Oct 13, 2026 |
| Benchmark | ||
| What it tracks | MSCI World ex USA Investable Market Index | No index, actively managed |
| Cost and size | ||
| Expense ratio | 0.04% | 0.30% |
| Net assets | $34.0bn | $5.5bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 10.9% | 29.3% |
Holdings in common uses holdings dated Jun 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IDEV 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
IDEV and MAGS on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IDEV
IDEV tracks the MSCI International Developed Markets. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested, against +14.3% for its benchmark, the MSCI ACWI ex USA Index. The prospectus expense ratio is 0.04% 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 2,317 positions, with the top ten at 10.9%. It sat 4.4% below its high of Aug 25, 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, IDEV or MAGS?
- In the year to Oct 28, 2026, with distributions reinvested, IDEV returned +13.4% and MAGS +5.8%.
- Which is cheaper, IDEV or MAGS?
- IDEV 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, IDEV against MAGS, data as of Oct 28, 2026. https://etfiq.com/compare/any/idev-vs-mags
ETFIQ. (Oct 28, 2026). IDEV against MAGS. Retrieved from https://etfiq.com/compare/any/idev-vs-mags
[IDEV against MAGS (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/idev-vs-mags)
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