iShares U.S. Utilities ETF (IDU) Holdings
IDU holdings summary
as of Oct 25, 2026- Holdings
- 46 positions listed
- Top 10 weight
- 51.9% of net assets
- Effective holdings
- 24 equal-weight equivalent
- Largest holding
- NEE 11.04% NextEra Energy, Inc.
- Annual turnover
- 3.0% of the portfolio traded
All IDU holdings
| # | Name | ||||||
|---|---|---|---|---|---|---|---|
| 1 | NEE | NextEra Energy, Inc. | Utilities | 11.04% | $153.2M | $166.46B | 17.9 |
| 2 | SO | The Southern Company | Utilities | 6.64% | $92.1M | $104.89B | 22.0 |
| 3 | DUK | Duke Energy Corporation | Utilities | 5.89% | $81.8M | $94.71B | 18.3 |
| 4 | WM | Waste Management, Inc. | Industrials | 5.61% | $77.8M | $90.68B | 32.1 |
| 5 | CEG | Constellation Energy Corporation | Utilities | 4.92% | $68.2M | $96.15B | 26.5 |
| 6 | AEP | American Electric Power Company, Inc. | Utilities | 4.45% | $61.8M | $69.21B | 22.0 |
| 7 | D | Dominion Energy, Inc. | Utilities | 3.61% | $50.1M | $55.90B | 22.0 |
| 8 | SRE | Sempra | Utilities | 3.31% | $45.9M | $54.54B | 24.1 |
| 9 | XEL | Xcel Energy Inc. | Utilities | 3.24% | $45.0M | $47.67B | 20.9 |
| 10 | RSG | Republic Services, Inc. | Industrials | 3.17% | $43.9M | $70.90B | 32.8 |
| 11 | ETR | Entergy Corporation | Utilities | 3.02% | $41.8M | $50.22B | 26.9 |
| 12 | EXC | Exelon Corporation | Utilities | 2.91% | $40.4M | $44.82B | 16.0 |
| 13 | VST | Vistra Corp. | Utilities | 2.87% | $39.8M | $51.02B | 25.6 |
| 14 | ED | Consolidated Edison, Inc. | Utilities | 2.56% | $35.5M | $41.52B | 18.2 |
| 15 | WEC | WEC Energy Group, Inc. | Utilities | 2.26% | $31.3M | $35.42B | 21.1 |
| 16 | PEG | Public Service Enterprise Group Incorporated | Utilities | 2.23% | $31.0M | $35.63B | 17.8 |
| 17 | AEE | Ameren Corporation | Utilities | 1.95% | $27.0M | $29.37B | 18.7 |
| 18 | ATO | Atmos Energy Corporation | Utilities | 1.81% | $25.1M | $28.28B | 19.9 |
| 19 | PCG | PG&E Corporation | Utilities | 1.79% | $24.8M | $39.30B | 9.5 |
| 20 | AWK | American Water Works Company, Inc. | Utilities | 1.77% | $24.6M | $26.82B | 23.4 |
| 21 | PPL | PPL Corporation | Utilities | 1.75% | $24.3M | $26.47B | 20.8 |
| 22 | DTE | DTE Energy Company | Utilities | 1.69% | $23.4M | $27.00B | 20.6 |
| 23 | CNP | CenterPoint Energy, Inc. | Utilities | 1.67% | $23.1M | $26.71B | 24.0 |
| 24 | ES | Eversource Energy | Utilities | 1.67% | $23.1M | $25.18B | 17.3 |
| 25 | FE | FirstEnergy Corp. | Utilities | 1.53% | $21.2M | $26.73B | 24.6 |
| 26 | CMS | CMS Energy Corporation | Utilities | 1.41% | $19.6M | $21.54B | 20.6 |
| 27 | EIX | Edison International | Utilities | 1.34% | $18.5M | $21.52B | 5.8 |
| 28 | NI | NiSource Inc. | Utilities | 1.27% | $17.6M | $20.47B | 22.7 |
| 29 | NRG | NRG Energy, Inc. | Utilities | 1.23% | $17.0M | $21.81B | 27.2 |
| 30 | EVRG | Evergy, Inc. | Utilities | 1.20% | $16.7M | $19.21B | 21.2 |
| 31 | LNT | Alliant Energy Corporation | Utilities | 1.15% | $15.9M | $17.71B | 21.6 |
| 32 | CLH | Clean Harbors, Inc. | Industrials | 1.07% | $14.8M | $16.90B | 38.8 |
| 33 | GFL | GFL Environmental Inc. | Industrials | 0.94% | $13.0M | $15.83B | — |
| 34 | TLN | Talen Energy Corporation | Utilities | 0.92% | $12.7M | $16.78B | — |
| 35 | PNW | Pinnacle West Capital Corporation | Utilities | 0.80% | $11.2M | $12.53B | 19.9 |
| 36 | WTRG | Essential Utilities, Inc. | Utilities | 0.79% | $11.0M | $11.58B | 20.8 |
| 37 | AES | The AES Corporation | Utilities | 0.67% | $9.3M | $10.67B | 5.6 |
| 38 | OGE | OGE Energy Corp. | Utilities | 0.66% | $9.1M | $9.82B | 20.9 |
| 39 | UGI | UGI Corporation | Utilities | 0.55% | $7.6M | $8.24B | 12.8 |
| 40 | IDA | IDACORP, Inc. | Utilities | 0.54% | $7.5M | $8.00B | 22.9 |
| 41 | NFG | National Fuel Gas Company | Energy | 0.49% | $6.9M | $7.60B | 11.1 |
| 42 | MDU | MDU Resources Group, Inc. | Utilities | 0.25% | $3.5M | $4.00B | 20.2 |
| 43 | BEPC | Brookfield Renewable Corporation | Utilities | 0.25% | $3.5M | $5.32B | — |
| 44 | OKLO | Oklo Inc. | Utilities | 0.23% | $3.2M | $5.20B | — |
| 45 | CWEN | Clearway Energy, Inc. | Utilities | 0.23% | $3.2M | $7.38B | 38.9 |
| 46 | FRVO | Fervo Energy Company | Utilities | 0.04% | $578,518.35 | $2.85B | — |
Weights as a percentage of net assets. Value held = weight × net assets ($1.39B). Market cap and P/E from each company's latest fundamentals (U.S.-listed stocks).
IDU sector breakdown
| Sector | Weight | Holdings | Largest |
|---|---|---|---|
| Utilities | 88.1% | 41 | NEE, SO, DUK |
| Industrials | 10.8% | 4 | WM, RSG, CLH |
| Energy | 0.5% | 1 | NFG |
Sum of the weights of the holdings in each sector.
IDU top industries
IDU overlap with other ETFs
| ETF | Fund | Overlap | Shared holdings | Expense ratio |
|---|---|---|---|---|
| FUTY | Fidelity MSCI Utilities ETF | 88.2% | 41 of 63 | 0.08% |
| VPU | Vanguard Utilities ETF | 88.0% | 41 of 68 | 0.09% |
| XLU | Utilities Select Sector SPDR Fund | 83.6% | 31 of 31 | 0.08% |
| SDP | ProShares UltraShort Utilities | 75.6% | 34 of 48 | 0.94% |
| JXI | iShares Global Utilities ETF | 60.6% | 31 of 64 | 0.45% |
| SPY | SPDR S&P 500 ETF | 2.2% | 33 of 502 | 0.09% |
Overlap = sum over shared holdings of the smaller of the two weights. 100% means identical portfolios.
About the IDU portfolio
iShares U.S. Utilities ETF holds 46 positions. The ten largest make up 51.9% of the fund, so it behaves like a portfolio of about 24 equally weighted stocks. The biggest positions are NextEra Energy, Inc. (11.04%), The Southern Company (6.64%), Duke Energy Corporation (5.89%), Waste Management, Inc. (5.61%), Constellation Energy Corporation (4.92%).
By sector, Utilities is 88.1%, Industrials is 10.8%, Energy is 0.5%. Holdings data is from the fund's latest portfolio as reported by EODHD on October 25, 2026; positions change as the fund rebalances.
Related: IDU chart, IDU performance, IDU dividends, IDU valuation, IDU overview.
IDU holdings FAQ
How many holdings does IDU have?
IDU holds 46 positions as of October 25, 2026.
What are the top 10 holdings of IDU?
The ten largest holdings are NextEra Energy, Inc. (11.04%), The Southern Company (6.64%), Duke Energy Corporation (5.89%), Waste Management, Inc. (5.61%), Constellation Energy Corporation (4.92%), American Electric Power Company, Inc. (4.45%), Dominion Energy, Inc. (3.61%), Sempra (3.31%), Xcel Energy Inc. (3.24%), Republic Services, Inc. (3.17%). Together they are 51.9% of the fund.
What percentage of IDU is NextEra Energy, Inc.?
NextEra Energy, Inc. is the largest holding at 11.04% of net assets, about $153.2M of the fund's $1.39B.
Which sector is the largest in IDU?
Utilities is the largest sector at 88.1%, followed by Industrials (10.8%) and Energy (0.5%), based on the sectors of the individual holdings.
How concentrated is IDU?
The top 10 holdings are 51.9% of the fund. By the effective number of holdings (1 divided by the sum of squared weights) IDU behaves like a portfolio of about 24 equally weighted stocks.