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IDUvsXLUETF Comparison
iShares U.S. Utilities ETF (IDU) and State Street Utilities Select Sector SPDR ETF (XLU) belong to the same industry segment: US Utilities. IDU's top 3 sector exposures are Utilities and Industrials. In contrast, XLU's top sector exposures are Utilities IDU is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.08% for XLU. IDU is up 8.67% year-to-date (YTD) with -$302M in YTD flows. XLU performs better with 8.97% YTD performance, and +$947M in YTD flows. Run a side-by-side ETF comparison of IDU and XLU below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IDU vs XLU performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IDU XLU | +2.59%+2.77% | +9.12%+9.40% | +8.67%+8.97% | +21.73%+23.99% | +57.33%+55.93% | +71.73%+73.55% |
| Flows | IDU XLU | +$35M+$1.14B | -$394M+$914M | -$302M+$947M | -$102M+$3.18B | +$95M+$4.12B | +$230M+$6.85B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IDU XLU | +14.03%+14.74% | +14.87%+15.49% | +15.27%+16.24% | +16.39%+17.15% |
| Max drawdown | IDU XLU | -3.18%-3.26% | -8.38%-9.19% | -17.26%-18.42% | -24.11%-25.30% |
| Max drawdown duration | IDU XLU | 11d11d | 120d120d | 337d373d | 610d688d |
IDU | XLU | |
Last sale 3/13/2026 at 7:34 PM | $118.87 | $46.95 |
| Previous close 03/12/2026 | $117.69 | $46.50 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IDU | XLU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IDU | XLU | |
|---|---|---|
| Last price | $118.87 | $46.95 |
| 1D performance | +1.00% | +0.96% |
| AuM | $1.48 B | $24.64 B |
| E/R | 0.38% | 0.08% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the IDU and XLU ETFs performed in 2026?
As of March 12, 2026, IDU is up 8.67% year-to-date (YTD), while XLU has returned 8.97%. That puts XLU better performer ahead so far this year.
Which ETF is attracting more investor money: IDU or XLU?
Year-to-date, the IDU ETF saw -$302M in flows, compared to +$947M for XLU.
Which ETF is more volatile: IDU or XLU?
Over the past year, IDU had a volatility of 14.87%, while XLU experienced 15.49%.
Which ETF is bigger: IDU or XLU?
As of March 12, 2026, IDU holds $1.48 B in assets under management (AUM), while XLU manages $24.64 B.
What sectors do the IDU and XLU ETFs invest in?
IDU leans toward sectors like Utilities and Industrials. Meanwhile, XLU focuses on Utilities.
What are the top holdings of the IDU ETF and XLU ETF?
IDU top holdings include NEXTERA ENERGY, SOUTHERN and DUKE ENERGY. XLU holds in its top three: NEXTERA ENERGY, SOUTHERN and DUKE ENERGY.
Which ETF is more diversified: IDU or XLU?
IDU holds 45 securities with 66.43% of its assets in the top 15. XLU has 31 securities and a top 15 weight of 72.53%.
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