IJK vs MDYG: Differences, Returns & Fees
IJK and MDYG hold 100% of their weight in the same names. Net assets on Oct 20, 2026: $10.5bn for iShares S&P Mid-Cap 400 Growth ETF and $2.8bn for State Street SPDR S & P 400 Mid Cap Growth ETF.
MDYG costs 0.01 points a year less; both returned +14.9% over a year; IJK is 3.7 times larger.
| IJK | MDYG | |
|---|---|---|
| Expense ratio | 0.16% | 0.15% |
| Net assets | $10.5bn | $2.8bn |
| Total return, 1 year | +14.9% | +14.9% |
| What it tracks | S&P MidCap 400 Growth Index | S&P MidCap 400 Growth Index |
| Holdings in common | 100% | |
| Top ten holdings, share of the fund | 13.5% | 13.6% |
| Below its high | 8.1%, high on Aug 17, 2026 | 8.2%, high on Aug 17, 2026 |
Holdings in common uses holdings dated Oct 19, 2026.
What they hold in common
By the books each fund has filed, IJK and MDYG hold 100% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.
half
100% in common
On the same fields
IJK and MDYG on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IJK
IJK tracks an index. Over the year to Oct 20, 2026 it returned +14.9% with distributions reinvested, against +14.9% for its benchmark, the S&P MidCap 400 Growth Index. The prospectus expense ratio is 0.16% a year. By its holdings published by its issuer for Oct 19, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 250 positions, with the top ten at 13.5%. It sat 8.1% below its high of Aug 17, 2026 on Oct 20, 2026.
About MDYG
MDYG tracks an index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 19, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 247 positions, with the top ten at 13.6%. It sat 8.2% below its high of Aug 17, 2026 on Oct 20, 2026.
Questions people ask
- Which returned more over the last year, IJK or MDYG?
- In the year to Oct 20, 2026, with distributions reinvested, IJK returned +14.9% and MDYG +14.9%.
- Which is cheaper, IJK or MDYG?
- MDYG 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.
ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, IJK against MDYG, data as of Oct 20, 2026. https://etfiq.com/compare/any/ijk-vs-mdyg
ETFIQ. (Oct 20, 2026). IJK against MDYG. Retrieved from https://etfiq.com/compare/any/ijk-vs-mdyg
[IJK against MDYG (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/ijk-vs-mdyg)
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