Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWM vs SDY: how they differ
IWM and SDY hold 3% of their weight in the same names, and IWM returned more over the year.
iShares Russell 2000 ETF and State Street(R) SPDR(R) S&P(R) Dividend ETF.
What they hold in common
By the books each fund has filed, IWM and SDY hold 3% of their money in the same securities at the same weight.
| Holding | IWM | SDY |
|---|---|---|
| UMB Financial Corp. | 0.33% | 0.45% |
| United Bankshares, Inc. | 0.19% | 0.29% |
| Black Hills Corp. | 0.18% | 0.26% |
| New Jersey Resources Corp. | 0.18% | 0.27% |
| ONE Gas, Inc. | 0.15% | 0.22% |
| Spire, Inc. | 0.14% | 0.23% |
| Badger Meter, Inc. | 0.14% | 0.27% |
| Franklin Electric Co., Inc. | 0.13% | 0.18% |
| Polaris, Inc. | 0.12% | 0.16% |
| Community Financial System, Inc. | 0.11% | 0.16% |
| Avista Corp. | 0.11% | 0.16% |
| American States Water Co. | 0.10% | 0.15% |
| Only in IWM | Only in SDY |
|---|---|
| Moog, Inc. 0.38% | Verizon Communications Inc 2.15% |
| Hut 8 Corp. 0.37% | Realty Income Corp 2.14% |
| Viasat, Inc. 0.35% | Kenvue Inc 1.76% |
| BrightSpring Health Services, Inc. 0.35% | Kimberly-Clark Corp 1.75% |
| Cytokinetics, Inc. 0.35% | AbbVie Inc 1.63% |
| MaxLinear, Inc. 0.34% | QUALCOMM Inc 1.57% |
| Argan, Inc. 0.34% | Texas Instruments Inc 1.56% |
| JFrog Ltd. 0.31% | 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.
| IWM iShares Russell 2000 ETF | SDY State Street(R) SPDR(R) S&P(R) Dividend ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | Russell 2000 | SPDR S&P Dividend |
| Total return, 1 year | +21.2% | +11.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +3.7 pts | −6.5 pts |
| Expense ratio | 0.19% | 0.35% |
| Already in the S&P 500 | 0.0% | 84.6% |
| Holdings | 2014 | 155 |
IWM in plain words
IWM is an index equity fund tracking the Russell 2000. Over the year to Sep 11, 2026 it returned +21.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.19% 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 2014 positions, with the top ten at 3.4%. 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, IWM or SDY?
- In the year to Sep 12, 2026, with distributions reinvested, IWM returned +21.2% and SDY returned +11.0%, so IWM returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWM or SDY?
- IWM charges 0.19% a year and SDY charges 0.35%, so IWM is cheaper. Fees come from each fund's prospectus.
- How much do IWM and SDY overlap with the S&P 500?
- By their latest filed holdings, 0% of IWM and 85% of SDY by weight is stocks the S&P 500 already holds. Between the two funds, 3% 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, IWM against SDY, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWM-SDY Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources