IDUvsPUIETF Comparison
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iShares U.S. Utilities ETF (IDU) and Invesco DWA Utilities Momentum ETF (PUI) belong to the same industry segment: US Utilities. IDU's top 3 sector exposures are Utilities, Business Services and Energy. In contrast, PUI's top sector exposures are Utilities, Energy and Industrials. IDU is less expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.81% for PUI. IDU is up 3.11% year-to-date (YTD) with -$294M in YTD flows. PUI performs worse with 2.39% YTD performance, and -$924K in YTD flows. Run a side-by-side ETF comparison of IDU and PUI 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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IDU vs PUI performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IDU PUI | +9.22%+7.40% | -4.49%-5.28% | +3.11%+2.39% | -2.64%-5.91% | +60.62%+58.76% | +49.54%+44.79% |
| Flows | IDU PUI | -$64M-$1M | +$75M-$3M | -$294M-$924K | -$86M+$431K | +$165M-$4M | +$235M-$5M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IDU PUI | +14.18%+14.82% | +14.97%+15.26% | +15.14%+15.39% | +16.64%+16.69% |
| Max drawdown | IDU PUI | -12.56%-11.81% | -15.29%-15.05% | -15.29%-15.05% | -24.11%-23.41% |
| Max drawdown duration | IDU PUI | 92d92d | 240d180d | 240d180d | 610d712d |
Trading data
IDU | PUI | |
Last sale 10/28/2026 at 1:30 PM | $108.59 | $43.55 |
| Previous close 10/27/2026 | $109.84 | $43.91 |
| Consolidated volume 10/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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IDU | PUI | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
IDU | PUI | |
|---|---|---|
| Last price | $108.59 | $43.55 |
| 1D performance | -1.14% | -0.83% |
| AuM | $1.39 B | $50.05 M |
| E/R | 0.37% | 0.81% |
Characteristics
IDU | PUI | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Invesco |
| Benchmark | Russell 1000 Utilities RIC 22.5/45 Capped Index | Dorsey Wright Utilities Technical Leaders Index |
| N° of holdings | 46 | 34 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 12, 2000 | October 26, 2005 |
| ESG | No | No |
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Exposure
Countries
IDU
USA
99.82%
Other
0.18%
PUI
USA
100%
Other
-0%
Sectors
IDU
Utilities
88.77%
Business Services
9.85%
Other
1.39%
PUI
Utilities
84.13%
Energy
9.41%
Other
6.46%
Diversification
IDU
Total weight of top 15 holdings out of 15
65.83%
PUI
Total weight of top 15 holdings out of 15
51.87%
Top 15 holdings
Data as of August 31, 2026
IDU
NextEra Energy, Inc.
11.10%
The Southern Co.
6.41%
Duke Energy Corp.
6.03%
Constellation Energy Corp.
5.69%
Waste Management, Inc.
5.26%
American Electric Power Co., Inc.
4.31%
Dominion Energy, Inc.
3.75%
Sempra
3.45%
Entergy Corp.
3.14%
Xcel Energy, Inc.
3.05%
Vistra Corp.
2.98%
Exelon Corp.
2.89%
Republic Services, Inc.
2.84%
Consolidated Edison, Inc.
2.55%
Public Service Enterprise Group, Inc.
2.36%
PUI
ONEOK, Inc.
4.20%
Constellation Energy Corp.
4.06%
Evergy, Inc.
3.82%
Sempra
3.76%
Atmos Energy Corp.
3.54%
DTE Energy Co.
3.50%
Duke Energy Corp.
3.37%
Entergy Corp.
3.30%
Preformed Line Products Co.
3.29%
NiSource, Inc.
3.23%
American Electric Power Co., Inc.
3.23%
WEC Energy Group, Inc.
3.20%
Xcel Energy, Inc.
3.20%
GE Vernova, Inc.
3.17%
The Southern Co.
3.01%
Frequently asked questions about IDU and PUI
How have the IDU and PUI ETFs performed in 2026?
As of October 27, 2026, IDU is up 3.11% year-to-date (YTD), while PUI has returned 2.39%. That puts IDU better performer ahead so far this year.
Which ETF is attracting more investor money: IDU or PUI?
Year-to-date, the IDU ETF saw -$294M in flows, compared to -$924K for PUI.
Which ETF is more volatile: IDU or PUI?
Over the past year, IDU had a volatility of 14.97%, while PUI experienced 15.26%.
Which ETF is bigger: IDU or PUI?
As of October 27, 2026, IDU holds $1.39 B in assets under management (AUM), while PUI manages $50.05 M.
What sectors do the IDU and PUI ETFs invest in?
IDU leans toward sectors like Utilities and Business Services. Meanwhile, PUI focuses on Utilities and Energy.
What are the top holdings of the IDU ETF and PUI ETF?
IDU top holdings include NextEra Energy, Inc., The Southern Co. and Duke Energy Corp.. PUI holds in its top three: ONEOK, Inc., Constellation Energy Corp. and Evergy, Inc..
Which ETF is more diversified: IDU or PUI?
IDU holds 46 securities with 65.83% of its assets in the top 15. PUI has 34 securities and a top 15 weight of 51.87%.
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Latest news about IDU & PUI
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