iShares U.S. Utilities ETF (IDU) is a iShares ETF with a 0.37% expense ratio, 49 holdings and $1.4B in net assets. Largest sector: Utilities (89%).
Fee
0.37%
expense ratio
Net assets
$1.4B
Launched
Jun 12, 2000
Holdings
49
as of Oct 22, 2026
Top 10 weight
52.2%
largest ten holdings
Largest sector
Utilities
88.9%
Yield
30-day SEC 2.62% · TTM 2.56%
as of Sep 30, 2026
Benchmark
Russell 1000 Utilities RIC 22.5/45 Capped Index
IDU's holdings are as of Oct 22, 2026.
Utilities
88.9%
Industrials
10.6%
Energy
0.5%
1
NEE
NEXTERA ENERGY
10.74%
2
SO
SOUTHERN POWER
6.78%
3
DUK
DUKE ENERGY INDIANA
6.13%
4
WM
WASTE MANAGEMENT
5.59%
5
CEG
CONSTELLATION ENERGY GENERATION LL
5.14%
6
AEP
AMERICAN ELECTRIC POWER IN
4.47%
7
D
DOMINION ENERGY (NC10.25)
3.61%
8
SRE
SEMPRA
3.48%
9
ETR
ENTERGY TEXAS
3.17%
10
XEL
XCEL ENERGY
3.09%
11
RSG
REPUBLIC SERVICES
3.02%
12
VST
VISTRA
2.97%
13
EXC
EXELON
2.89%
14
ED
CONSOLIDATED EDISON OF NEW
2.69%
15
WEC
WEC ENERGY GROUP
2.30%
16
PEG
PUBLIC SERVICE ENTERPRISE GP
2.28%
17
AEE
AMEREN
1.89%
18
ATO
ATMOS ENERGY
1.80%
19
PCG
P G + E
1.79%
20
AWK
AMERICAN WATER WORKS
1.78%
21
DTE
DTE ENERGY
1.73%
22
CNP
CENTERPOINT ENERGY RESOURCES CORPO
1.69%
23
PPL
PPL
1.67%
24
FE
FIRSTENERGY
1.61%
25
ES
EVERSOURCE ENERGY
1.60%
1–25 of 49
Funds listed by how much of their largest holdings they share with IDU — not a ranking.
Data from iShares; prices and returns from market data. Page updated October 29, 2026. Holdings and figures change over time. For information only — not investment advice.