Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
MDY vs XOP: how they differ
MDY and XOP hold 3% of their weight in the same names, and XOP returned more over the year.
SPDR S&P MidCap 400 ETF Trust and State Street(R) SPDR(R) S&P(R) Oil & Gas Exploration & Production ETF.
What they hold in common
By the books each fund has filed, MDY and XOP hold 3% of their money in the same securities at the same weight.
| Holding | MDY | XOP |
|---|---|---|
| Permian Resources Corporation Class A | 0.53% | 2.58% |
| Ovintiv Inc | 0.50% | 2.37% |
| HF Sinclair Corporation | 0.47% | 3.27% |
| Antero Resources Corporation | 0.33% | 2.36% |
| Range Resources Corporation | 0.28% | 2.29% |
| Viper Energy Inc. | 0.25% | 2.15% |
| Chord Energy Corporation | 0.24% | 2.36% |
| Matador Resources Company | 0.20% | 2.41% |
| PBF Energy Inc. Class A | 0.18% | 3.89% |
| Murphy Oil Corporation | 0.15% | 2.09% |
| CNX Resources Corporation | 0.15% | 2.37% |
| Only in MDY | Only in XOP |
|---|---|
| Twilio Inc. Class A 1.00% | DELEK US HOLDINGS INC 3.27% |
| Illumina Inc. 0.86% | VALERO ENERGY CORP 3.21% |
| TechnipFMC plc 0.86% | MARATHON PETROLEUM CORP 3.20% |
| Everpure Inc. Class A 0.84% | PAR PACIFIC HOLDINGS INC 3.12% |
| Okta Inc. Class A 0.81% | PHILLIPS 66 3.06% |
| U.S. Dollar 0.80% | CALUMET INC 2.77% |
| ATI Inc 0.77% | CRESCENT ENERGY INC A 2.64% |
| nVent Electric plc 0.71% | APA CORP 2.52% |
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 Sep 10, 2026.
| MDY SPDR S&P MidCap 400 ETF Trust | XOP State Street(R) SPDR(R) S&P(R) Oil & Gas Exploration & Production ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | State Street |
| What it is | S&P MidCap 400 | SPDR S&P Oil & Gas Exploration & Production |
| Total return, 1 year | +13.0% | +52.4% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −4.5 pts | +34.9 pts |
| Expense ratio | 0.23% | 0.35% |
| Holdings | 401 | 54 |
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 Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 401 positions, with the top ten at 7.9%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.
XOP in plain words
XOP is a commodity fund tracking the SPDR S&P Oil & Gas Exploration & Production. Over the year to Sep 11, 2026 it returned +52.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. It sat 26.8% below its high of Jun 23, 2014 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MDY or XOP?
- In the year to Sep 13, 2026, with distributions reinvested, MDY returned +13.0% and XOP returned +52.4%, so XOP returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MDY or XOP?
- MDY charges 0.23% a year and XOP charges 0.35%, so MDY is cheaper. Fees come from each fund's prospectus.
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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 XOP, data as of Sep 13, 2026. https://etfiq.com/compare/any/mdy-vs-xop Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources