IDU is a Sector & Thematic ETF from iShares holding 44 positions as of Apr 30, 2026, with $1.5B in assets and a 0.38% net expense ratio. Its largest positions are NEE (12.2%), SO (6.4%) and DUK (6.0%); the top 10 holdings account for 53.4% of the portfolio. By sector it leans Utilities (91.2%) and Industrials (8.6%). It yields 2.27% on a trailing-12-month basis.
- Issuer
- iShares
- Holdings
- 44
- Net Assets
- $1.5BETF assets as of 2026-08-10
- Expense Ratio
- 0.38%per latest SEC prospectus filing
- TTM Yield
- 2.27%trailing 12-month distributions
Performance
- 1M
- -4.3%
- YTD
- +3.5%
- 1Y
- +2.8%
- 3Y (ann.)
- +14.4%
- 5Y (ann.)
- +8.5%
- 10Y (ann.)
- +8.6%
A $10,000 investment 10 years ago would be worth $22,861 today at the 10Y annualized rate. This is a backward-looking illustration, not a forecast. Project its future growth →
Total returns including dividends as of 2026-08-07. 3Y/5Y/10Y annualized. Past performance does not predict future results.
Sector Breakdown
| Utilities | 91.2% |
|---|---|
| Industrials | 8.6% |
| Other Sectors | 0.0% |
Top 25 Holdings
| # | Holding | Weight |
|---|---|---|
| 1 |  NEENextEra Energy Inc COM | 12.22% |
| 2 |  SOSouthern Co. (The) | 6.38% |
| 3 |  DUKDuke Energy Corp COM NEW | 6.03% |
| 4 |  CEGConstellation Energy Corp. COM | 5.84% |
| 5 |  WMWaste Management, Inc. COM | 5.15% |
| 6 |  AEPAmerican Electric Power Co, Inc. COM | 4.39% |
| 7 |  SRESempra COM | 3.71% |
| 8 |  DDominion Energy Inc COM | 3.29% |
| 9 |  VSTVistra Corp. COMMON STOCK | 3.20% |
| 10 |  ETREntergy Corporation COM | 3.15% |
| 11 |  XELXcel Energy Inc COM | 2.94% |
| 12 |  EXCExelon Corp. COM | 2.78% |
| 13 |  RSGRepublic Services, Inc., Class A | 2.54% |
| 14 |  PEGPublic Service Enterprise Group Incorporated COM | 2.44% |
| 15 |  EDConsolidated Edison, Inc. COM | 2.40% |
| 16 |  WECWEC Energy Group Inc. COM | 2.30% |
| 17 |  PCGPG&E Corporation COM | 2.18% |
| 18 |  NRGNRG Energy, Inc. COM NEW | 1.91% |
| 19 |  DTEDTE Energy Co. COM | 1.88% |
| 20 |  AEEAmeren Corp. COM | 1.84% |
| 21 |  ATOAtmos Energy Corp. COM | 1.82% |
| 22 |  CNPCenterpoint Energy Inc COM | 1.70% |
| 23 |  PPLPPL Corporation COM | 1.66% |
| 24 |  ESEversource Energy COM | 1.59% |
| 25 |  EIXEdison International COM | 1.59% |
Showing the top 25 of 44 holdings. See the full IDU holdings list →
IDU alternatives
The closest Sector & Thematic ETFs to IDU by portfolio overlap — the share of weight both funds hold in the same securities.
| Fund | Overlap | Expense | Assets | |
|---|---|---|---|---|
| 91% | 0.08%cheaper | $2.3B | Compare → | |
 VPUVanguard Utilities Index Fund | 90% | 0.09%cheaper | $8.5B | Compare → |
 XLUState Street® Utilities Select Sector SPDR® ETF | 87% | 0.08%cheaper | $23.0B | Compare → |
 EMLPFirst Trust North American Energy Infrastructure Fund | 34% | 0.95%pricier | $4.2B | Compare → |
| 2% | 0.08%cheaper | $2.3B | Compare → | |
 XLIState Street® Industrial Select Sector SPDR® ETF | 2% | 0.08%cheaper | $34.2B | Compare → |
 PHOInvesco Water Resources ETF | 2% | 0.59%pricier | $2.1B | Compare → |
 VISVanguard Industrials Index Fund | 2% | 0.09%cheaper | $8.5B | Compare → |
Frequently Asked Questions
What is IDU's expense ratio?
IDU has a net expense ratio of 0.38%, per its latest SEC prospectus filing. That works out to about $38 a year on a $10,000 investment.
How many holdings does IDU have?
IDU held 44 positions as of Apr 30, 2026, per its latest official holdings data.
What are IDU's top 10 holdings?
IDU's largest positions are NEE (12.2%), SO (6.4%), DUK (6.0%), CEG (5.8%), WM (5.1%), AEP (4.4%), SRE (3.7%), D (3.3%), VST (3.2%), ETR (3.2%). Together they account for 53.4% of the portfolio.
What is IDU's dividend yield?
IDU yields 2.27% based on its trailing 12-month distributions, as of Aug 7, 2026.
How big is IDU?
IDU has $1.5B in assets as of Aug 10, 2026.
What are good alternatives to IDU?
By portfolio overlap, the closest Sector & Thematic ETFs to IDU are FUTY (91% overlap), VPU (90% overlap), XLU (87% overlap). Overlap measures the share of portfolio weight both funds hold in the same securities.