Data as of Oct 28, 2026.
IDEV vs MGK: Differences, Returns & Fees
Over the year to Oct 28, 2026, IDEV returned +13.4% to MGK's +7.8%; 0% of their weight is in the same names.
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Net assets: $34.0bn on Oct 28, 2026 for iShares Core MSCI International Developed Markets ETF, and $34.9bn on Sep 30, 2026 for Vanguard Morningstar Mega Cap Growth ETF.
Pair scorecard
IDEV costs 0.01 points a year less; their one-year returns differ by 5.6 points; MGK is 1.1 times larger.
| Measure | IDEV | MGK |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.4% | +7.8% |
| Drawdown | ||
| Below its high | 4.4%, high on Aug 25, 2026 | 4.4%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | MSCI World ex USA Investable Market Index | Morningstar US Mega Cap Growth Index |
| Cost and size | ||
| Expense ratio | 0.04% | 0.05% |
| Net assets, as of Sep 30, 2026 | $32.2bn | $34.9bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 10.9% | 64.5% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IDEV and MGK hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IDEV and MGK 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.
MGK
MGK tracks an index of Mega Cap Growth. Over the year to Oct 28, 2026 it returned +7.8% with distributions reinvested. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 54 positions, with the top ten at 64.5%. It sat 4.4% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IDEV or MGK?
- In the year to Oct 28, 2026, with distributions reinvested, IDEV returned +13.4% and MGK +7.8%.
- Which is cheaper, IDEV or MGK?
- IDEV is cheaper, by 0.01 percentage points a year. That is about $1 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.
Cite this pageCitation, APA and Markdown
ETFIQ, IDEV against MGK, data as of Oct 28, 2026. https://etfiq.com/compare/any/idev-vs-mgk
ETFIQ. (Oct 28, 2026). IDEV against MGK. Retrieved from https://etfiq.com/compare/any/idev-vs-mgk
[IDEV against MGK (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/idev-vs-mgk)
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