Data as of Oct 28, 2026.
MDY vs ONEQ: Differences, Returns & Fees
Over the year to Oct 28, 2026, MDY returned +12.8% to ONEQ's +12.7%; 2% of their weight is in the same names.
askIQ about this page
askIQ about MDY and ONEQ
Net assets: $25.9bn on Oct 27, 2026 for SPDR S&P MidCap 400 ETF Trust, and $10.9bn on Sep 30, 2026 for Fidelity Nasdaq Composite Index ETF.
Pair scorecard
ONEQ costs 0.02 points a year less; their one-year returns differ by 0.1 points; MDY is 2.3 times larger.
| Measure | MDY | ONEQ |
|---|---|---|
| Return | ||
| Total return, 1 year | +12.8% | +12.7% |
| Drawdown | ||
| Below its high | 6.5%, high on Aug 14, 2026 | 3.8%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | S&P MidCap 400 Index | Nasdaq Composite Index |
| Cost and size | ||
| Expense ratio | 0.23% | 0.21% |
| Net assets, as of Sep 30, 2026 | $25.2bn | $10.9bn |
| Holdings | ||
| Holdings in common | 2% | |
| Top ten holdings, share of the fund | 7.5% | 56.0% |
Holdings in common uses holdings dated Aug 31, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, MDY and ONEQ hold 2% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026 and Oct 27, 2026.
half
2% in common
Only in one fund ↓
Side by side
MDY and ONEQ on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
MDY
MDY tracks the S&P MidCap 400. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested, against +13.2% for its benchmark, the S&P MidCap 400 Index. The prospectus expense ratio is 0.23% 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 401 positions, with the top ten at 7.5%. It sat 6.5% below its high of Aug 14, 2026 on Oct 28, 2026.
ONEQ
ONEQ tracks the Nasdaq Composite. Over the year to Oct 28, 2026 it returned +12.7% with distributions reinvested. The prospectus expense ratio is 0.21% a year. By its holdings filed for Aug 31, 2026, 85% of the fund by weight is stocks the S&P 500 also holds, across 1,026 positions, with the top ten at 56.0%. It sat 3.8% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, MDY or ONEQ?
- In the year to Oct 28, 2026, with distributions reinvested, MDY returned +12.8% and ONEQ +12.7%.
- Which is cheaper, MDY or ONEQ?
- ONEQ is cheaper, by 0.02 percentage points a year. That is about $2 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, MDY against ONEQ, data as of Oct 28, 2026. https://etfiq.com/compare/any/mdy-vs-oneq
ETFIQ. (Oct 28, 2026). MDY against ONEQ. Retrieved from https://etfiq.com/compare/any/mdy-vs-oneq
[MDY against ONEQ (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/mdy-vs-oneq)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.