XLUIvsIDUETF Comparison
ETF 1
XLUI
State Street Utilities Select Sector SPDR Premium Income Fund
This fund is part of
Options Strategies
-0.24%
VS
State Street Utilities Select Sector SPDR Premium Income Fund (XLUI) belongs to the Options Strategies segment. iShares U.S. Utilities ETF (IDU) is part of the US Utilities segment. XLUI's top 1 sector exposures are Utilities. In contrast, IDU's top sector exposures are Utilities, Business Services and Energy. XLUI is less expensive with a Total Expense Ratio (TER) of 0.35%, versus 0.37% for IDU. XLUI is up 6.67% year-to-date (YTD) with +$25M in YTD flows. IDU performs worse with 3.1% YTD performance, and -$365M in YTD flows. Run a side-by-side ETF comparison of XLUI and IDU below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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XLUI vs IDU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/08/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | XLUI IDU | +1.40%+0.58% | +2.13%+0.86% | +6.67%+3.10% | +9.05%+7.21% | n/a+51.42% | n/a+45.15% |
| Flows | XLUI IDU | +$3M-$33M | +$12M-$70M | +$25M-$365M | +$30M-$297M | -+$118M | -+$155M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | XLUI IDU | +12.00%+13.78% | +12.15%+14.48% | n/a+15.46% | n/a+16.59% |
| Max drawdown | XLUI IDU | -7.39%-8.12% | -7.39%-9.88% | n/a-12.36% | n/a-24.11% |
| Max drawdown duration | XLUI IDU | 44d44d | 44d191d | n/a89d | n/a610d |
Trading data
XLUI | IDU | |
Last sale 9/9/2026 at 1:30 PM | $23.14 | $109.25 |
| Previous close 09/08/2026 | $23.33 | $110.48 |
| Consolidated volume 09/08/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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XLUI
is actively managed and doesn’t replicate an indexXLUI | IDU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/9/2026 at 1:30 PM
Live
Closed
XLUI | IDU | |
|---|---|---|
| Last price | $23.14 | $109.25 |
| 1D performance | -0.83% | -1.11% |
| AuM | $29.64 M | $1.33 B |
| E/R | 0.35% | 0.37% |
Characteristics
XLUI | IDU | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | - | Russell 1000 Utilities RIC 22.5/45 Capped Index |
| N° of holdings | 31 | 46 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 30, 2025 | June 12, 2000 |
| ESG | No | No |
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Exposure
Countries
XLUI
USA
99.08%
Other
0.92%
IDU
USA
99.99%
Other
0.01%
Sectors
XLUI
Utilities
99.08%
Other
0.92%
IDU
Utilities
89.47%
Business Services
9.39%
Other
1.13%
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Diversification
XLUI
Total weight of top 15 holdings out of 15
71.79%
IDU
Total weight of top 15 holdings out of 15
65.21%
Top 15 holdings
Data as of July 31, 2026
XLUI
NextEra Energy, Inc.
12.99%
The Southern Co.
7.64%
Duke Energy Corp.
7.01%
Constellation Energy Corp.
6.02%
American Electric Power Co., Inc.
4.98%
Dominion Energy, Inc.
4.36%
Sempra
4.15%
Entergy Corp.
3.53%
Xcel Energy, Inc.
3.50%
Vistra Corp.
3.36%
Exelon Corp.
3.36%
Consolidated Edison, Inc.
2.87%
PG&E Corp.
2.74%
Public Service Enterprise Group, Inc.
2.74%
WEC Energy Group, Inc.
2.55%
IDU
NextEra Energy, Inc.
11.26%
The Southern Co.
6.53%
Duke Energy Corp.
6.03%
Constellation Energy Corp.
5.18%
Waste Management, Inc.
5.17%
American Electric Power Co., Inc.
4.27%
Dominion Energy, Inc.
3.76%
Sempra
3.59%
Vistra Corp.
3.07%
Entergy Corp.
3.03%
Xcel Energy, Inc.
3.00%
Exelon Corp.
2.86%
Republic Services, Inc.
2.58%
Consolidated Edison, Inc.
2.48%
PG&E Corp.
2.39%
Frequently asked questions about XLUI and IDU
How have the XLUI and IDU ETFs performed in 2026?
As of September 8, 2026, XLUI is up 6.67% year-to-date (YTD), while IDU has returned 3.1%. That puts XLUI better performer ahead so far this year.
Which ETF is attracting more investor money: XLUI or IDU?
Year-to-date, the XLUI ETF saw +$25M in flows, compared to -$365M for IDU.
Which ETF is more volatile: XLUI or IDU?
Over the past year, XLUI had a volatility of 12.15%, while IDU experienced 14.48%.
Which ETF is bigger: XLUI or IDU?
As of September 8, 2026, XLUI holds $29.64 M in assets under management (AUM), while IDU manages $1.33 B.
What sectors do the XLUI and IDU ETFs invest in?
XLUI leans toward sectors like Utilities. Meanwhile, IDU focuses on Utilities and Business Services.
What are the top holdings of the XLUI ETF and IDU ETF?
XLUI top holdings include NextEra Energy, Inc., The Southern Co. and Duke Energy Corp.. IDU holds in its top three: NextEra Energy, Inc., The Southern Co. and Duke Energy Corp..
Which ETF is more diversified: XLUI or IDU?
XLUI holds 31 securities with 71.79% of its assets in the top 15. IDU has 46 securities and a top 15 weight of 65.21%.
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Latest news about XLUI & IDU
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