IDU vs XLU: holdings overlap, shared companies and scores
As of October 28, 2026, IDU and XLU overlap 84.5% by weight. iShares U.S. Utilities ETF (IDU): U.S. utility sector stocks. State Street Utilities Select Sector SPDR ETF (XLU): U.S. utilities sector.
Updated October 28, 2026
Where IDU and XLU trade against their own history
IDU trades at 19.4 times earnings, against its own median of 21.5, and is cheaper than 82% of its own last 9 years.
XLU trades at 18.6 times earnings, against its own median of 21.1, and is cheaper than 85% of its own last 9 years.
What moved IDU and XLU this week
IDU rose 0.8% in the week to October 28, 2026. The holdings that moved it most were NextEra Energy (+3.5%), Duke Energy (+2.4%) and Exelon (+4.0%); Vistra (−8.6%) pushed the other way.
XLU rose 1.2% in the week to October 28, 2026. The holdings that moved it most were NextEra Energy (+3.5%), Duke Energy (+2.4%) and Exelon (+4.0%); Constellation Energy (−4.7%) pushed the other way.
What do IDU and XLU each hold?
What's inside IDU: AI 0%.
52% of IDU is its ten largest holdings.
59% of XLU is its ten largest holdings.
How much do IDU and XLU overlap? 84.5% by weight
As of October 28, 2026, IDU and XLU overlap 84.5% by weight.
85% of IDU is already inside XLU.
100% of XLU is already inside IDU.
IDU holds 49 companies and XLU holds 31; 31 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IDU and XLU? 5.1 and 5.1 out of 10
As of October 28, 2026, ETF Copilot scores IDU 5.1 out of 10 and XLU 5.1 out of 10.
They differ most on Risk: IDU 7.0 and XLU 6.0.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IDU | XLU |
|---|---|---|
| Growth | 4.7 | 5.1 |
| Value | 7.7 | 8.3 |
| Risk | 7.0 | 6.0 |
| Quality | 4.1 | 3.8 |
| Return | 3.3 | 3.3 |
XLU is the cheaper of the two at 0.08% a year
As of October 28, 2026, IDU charges 0.37% a year, yields 2.37% and holds $1.4B in assets across 49 positions.
As of October 28, 2026, XLU charges 0.08% a year, yields 2.83% and holds $23.9B in assets across 31 positions.
| Measure | IDU | XLU |
|---|---|---|
| Expense ratio | 0.37% | 0.08% |
| Dividend yield | 2.37% | 2.83% |
| Assets under management | $1.4B | $23.9B |
| Holdings | 49 | 31 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Compare with similar funds
Cite this
ETF Copilot, “IDU vs XLU holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/idu-vs-xlu
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