Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MDY vs URTH: how they differ
MDY and URTH hold 1% of their weight in the same names, and URTH returned more over the year.
SPDR S&P MidCap 400 ETF Trust and iShares MSCI World ETF.
What they hold in common
By the books each fund has filed, MDY and URTH hold 1% of their money in the same securities at the same weight.
| Holding | MDY | URTH |
|---|---|---|
| TWILIO INC | 0.86% | 0.03% |
| CURTISS-WRIGHT CORP | 0.77% | 0.03% |
| EVERPURE INC | 0.69% | 0.03% |
| ILLUMINA INC | 0.73% | 0.03% |
| UNITED THERAPEUTICS CORP | 0.64% | 0.03% |
| ENTEGRIS INC | 0.76% | 0.02% |
| BURLINGTON STORES INC | 0.55% | 0.02% |
| RELIANCE INC | 0.53% | 0.02% |
| COEUR MINING INC | 0.47% | 0.02% |
| OKTA INC | 0.63% | 0.02% |
| RB GLOBAL INC | 0.60% | 0.02% |
| CARLISLE COMPANIES INC | 0.40% | 0.02% |
| Only in MDY | Only in URTH |
|---|---|
| CARPENTER TECHNOLOGY CORP 0.85% | NVIDIA CORPORATION 5.64% |
| MKS INC 0.83% | APPLE INC. 5.04% |
| NVENT ELECTRIC PLC 0.76% | MICROSOFT CORPORATION 3.50% |
| ATI INC 0.74% | AMAZON.COM, INC. 2.86% |
| TECHNIPFMC PLC 0.73% | ALPHABET INC. 2.43% |
| STERLING INFRASTRUCTURE INC 0.71% | BROADCOM INC. 2.21% |
| MASTEC INC 0.71% | ALPHABET INC. 2.01% |
| WOODWARD INC 0.70% | META PLATFORMS, INC. 1.51% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.
| MDY SPDR S&P MidCap 400 ETF Trust | URTH iShares MSCI World ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | iShares |
| What it is | S&P MidCap 400, book from IJH | MSCI World |
| Total return, 1 year | +13.0% | +17.4% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −4.5 pts | −0.1 pts |
| Expense ratio | 0.23% | 0.24% |
| Already in the S&P 500 | 0.0% | 70.3% |
| Holdings | 400 | 1322 |
MDY in plain words
MDY is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.23% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.
URTH in plain words
URTH is an index equity fund tracking the MSCI World. Over the year to Sep 11, 2026 it returned +17.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% a year. By its holdings filed for May 31, 2026, 70% of the fund by weight is stocks the S&P 500 also holds, across 1322 positions, with the top ten at 27.8%.
Questions people ask
- Which returned more over the last year, MDY or URTH?
- In the year to Sep 12, 2026, with distributions reinvested, MDY returned +13.0% and URTH returned +17.4%, so URTH returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MDY or URTH?
- MDY charges 0.23% a year and URTH charges 0.24%, so MDY is cheaper. Fees come from each fund's prospectus.
- How much do MDY and URTH overlap with the S&P 500?
- By their latest filed holdings, 0% of MDY and 70% of URTH by weight is stocks the S&P 500 already holds. Between the two funds, 1% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, MDY against URTH, data as of Sep 12, 2026. https://etfiq.com/compare/any/MDY-URTH Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources