FXU vs IDU: holdings overlap, shared companies and scores
As of September 11, 2026, FXU and IDU overlap 55.3% by weight. First Trust Utilities AlphaDEX Fund (FXU): U.S. utility stocks. iShares U.S. Utilities ETF (IDU): U.S. utility sector stocks.
Updated September 11, 2026
How much do FXU and IDU overlap?
As of September 11, 2026, FXU and IDU overlap 55.3% by weight.
100% of FXU is already inside IDU.
89% of IDU is already inside FXU.
FXU holds 41 companies and IDU holds 48; 40 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 FXU and IDU?
As of September 11, 2026, ETF Copilot scores FXU 5.0 out of 10 and IDU 4.7 out of 10.
They differ most on Valuation: FXU 6.8 and IDU 8.4.
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 | FXU | IDU |
|---|---|---|
| Growth | 4.5 | 3.7 |
| Valuation | 6.8 | 8.4 |
| Risk | 5.5 | 5.2 |
| Quality | 4.6 | 4.9 |
| Return | 4.1 | 2.8 |
IDU is the cheaper of the two at 0.37% a year
As of September 11, 2026, FXU charges 0.61% a year, yields 2.75% and holds $797M in assets across 41 positions.
As of September 11, 2026, IDU charges 0.37% a year, yields 2.50% and holds $1.3B in assets across 48 positions.
| Measure | FXU | IDU |
|---|---|---|
| Expense ratio | 0.61% | 0.37% |
| Dividend yield | 2.75% | 2.50% |
| Assets under management | $797M | $1.3B |
| Holdings | 41 | 48 |
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.
Where FXU and IDU trade against their own history
FXU trades at 15.4 times earnings, against its own median of 17.1, and is cheaper than 73% of its own 114 monthly readings since 2017.
IDU trades at 19.7 times earnings, against its own median of 21.4, and is cheaper than 73% of its own 114 monthly readings since 2017.
What moved FXU and IDU this week
FXU fell 1.4% in the week to September 11, 2026. The holdings that moved it most were Eversource Energy (−4.1%), National Fuel GAS (−3.0%) and Exelon (−3.1%); Talen Energy (+2.4%) pushed the other way.
IDU fell 1.5% in the week to September 11, 2026. The holdings that moved it most were NextEra Energy (−2.1%), Waste Management (−3.7%) and Dominion Resources (−3.6%); Vistra Energy (+2.9%) pushed the other way.
What do FXU and IDU each hold?
41% of FXU is its ten largest holdings.
What's inside IDU: AI 0%.
52% of IDU is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “FXU vs IDU holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/fxu-vs-idu
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