FMDE vs MDY: Differences, Returns & Fees
FMDE and MDY hold 20% of their weight in the same names, and FMDE returned +17.2% over the year. Net assets: $8.1bn on Sep 30, 2026 for Fidelity Enhanced Mid Cap Core ETF, and $25.8bn on Oct 20, 2026 for SPDR S&P MidCap 400 ETF Trust.
Both cost 0.23% a year; their one-year returns differ by 4.1 points; MDY is 3.1 times larger.
Points (pts) are percentage points.
| FMDE | MDY | |
|---|---|---|
| Expense ratio | 0.23% | 0.23% |
| Net assets, as of Sep 30, 2026 | $8.1bn | $25.2bn |
| Total return, 1 year | +17.2% | +13.1% |
| What it tracks | No index, actively managed | S&P MidCap 400 Index |
| Holdings in common | 20% | |
| Top ten holdings, share of the fund | 9.8% | 7.4% |
| Below its high | 3.1%, high on Aug 14, 2026 | 6.7%, high on Aug 14, 2026 |
Holdings in common uses holdings dated Jun 30, 2026 and Oct 19, 2026.
What they hold in common
By the books each fund has filed, FMDE and MDY hold 20% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Oct 19, 2026.
half
20% in common
On the same fields
FMDE and MDY on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About FMDE
FMDE is actively managed and tracks no index. Over the year to Oct 20, 2026 it returned +17.2% with distributions reinvested. The prospectus expense ratio is 0.23% a year. By its holdings filed for Jun 30, 2026, 60% of the fund by weight is stocks the S&P 500 also holds, across 421 positions, with the top ten at 9.8%. It sat 3.1% below its high of Aug 14, 2026 on Oct 20, 2026.
About MDY
MDY tracks the S&P MidCap 400. Over the year to Oct 20, 2026 it returned +13.1% with distributions reinvested, against +13.4% for its benchmark, the S&P MidCap 400 Index. 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 401 positions, with the top ten at 7.4%. It sat 6.7% below its high of Aug 14, 2026 on Oct 20, 2026.
Questions people ask
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How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, FMDE against MDY, data as of Oct 20, 2026. https://etfiq.com/compare/any/fmde-vs-mdy
ETFIQ. (Oct 20, 2026). FMDE against MDY. Retrieved from https://etfiq.com/compare/any/fmde-vs-mdy
[FMDE against MDY (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/fmde-vs-mdy)
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