Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MDY vs SDY: how they differ
MDY and SDY hold 8% of their weight in the same names, and MDY returned more over the year.
SPDR S&P MidCap 400 ETF Trust and State Street(R) SPDR(R) S&P(R) Dividend ETF.
What they hold in common
By the books each fund has filed, MDY and SDY hold 8% of their money in the same securities at the same weight.
| Holding | MDY | SDY |
|---|---|---|
| RB GLOBAL INC | 0.60% | 0.60% |
| CARLISLE COMPANIES INC | 0.40% | 0.56% |
| LINCOLN ELECTRIC HOLDINGS INC | 0.40% | 0.54% |
| RPM INTERNATIONAL INC | 0.39% | 0.64% |
| GRACO INC | 0.35% | 0.50% |
| EQUITY LIFESTYLE PROPERTIES INC | 0.34% | 0.58% |
| ESSENTIAL UTILITIES INC | 0.30% | 0.54% |
| DONALDSON COMPANY INC | 0.29% | 0.48% |
| RYDER SYSTEM INC | 0.28% | 0.44% |
| UMB FINANCIAL CORP | 0.28% | 0.45% |
| CULLEN/FROST BANKERS INC | 0.27% | 0.45% |
| AMERICAN FINANCIAL GROUP INC | 0.27% | 0.46% |
| Only in MDY | Only in SDY |
|---|---|
| TWILIO INC 0.86% | Verizon Communications Inc 2.15% |
| CARPENTER TECHNOLOGY CORP 0.85% | Realty Income Corp 2.14% |
| MKS INC 0.83% | Kenvue Inc 1.76% |
| CURTISS-WRIGHT CORP 0.77% | Kimberly-Clark Corp 1.75% |
| ENTEGRIS INC 0.76% | AbbVie Inc 1.63% |
| NVENT ELECTRIC PLC 0.76% | QUALCOMM Inc 1.57% |
| ATI INC 0.74% | Texas Instruments Inc 1.56% |
| ILLUMINA INC 0.73% | Target Corp 1.55% |
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.
| MDY SPDR S&P MidCap 400 ETF Trust | SDY State Street(R) SPDR(R) S&P(R) Dividend ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | State Street |
| What it is | S&P MidCap 400, book from IJH | SPDR S&P Dividend |
| Total return, 1 year | +13.0% | +11.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −4.5 pts | −6.5 pts |
| Expense ratio | 0.23% | 0.35% |
| Already in the S&P 500 | 0.0% | 84.6% |
| Holdings | 400 | 155 |
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.
SDY in plain words
SDY is an index equity fund tracking the SPDR S&P Dividend. Over the year to Sep 11, 2026 it returned +11.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings filed for Jun 30, 2026, 85% of the fund by weight is stocks the S&P 500 also holds, across 155 positions, with the top ten at 17.1%. It sat 3.9% below its high of Aug 24, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MDY or SDY?
- In the year to Sep 12, 2026, with distributions reinvested, MDY returned +13.0% and SDY returned +11.0%, so MDY returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MDY or SDY?
- MDY charges 0.23% a year and SDY charges 0.35%, so MDY is cheaper. Fees come from each fund's prospectus.
- How much do MDY and SDY overlap with the S&P 500?
- By their latest filed holdings, 0% of MDY and 85% of SDY by weight is stocks the S&P 500 already holds. Between the two funds, 8% of their books are the same securities at the same weight.
Other comparisons
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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 SDY, data as of Sep 12, 2026. https://etfiq.com/compare/any/MDY-SDY Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources