IDU vs XLU
iShares U.S. Utilities ETF against State Street Utilities Select Sector SPDR ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
85%
31 shared positions
Fee gap
29 bp
XLU is cheaper
1-year return gap
0.8 pts
IDU is ahead
Larger fund
XLU
$23.8B
Side by side
| IDU | XLU | |
|---|---|---|
| Fund | iShares U.S. Utilities ETF | State Street Utilities Select Sector SPDR ETF |
| Issuer | iShares | State Street SPDR |
| Category | Utilities | Utilities |
| Expense ratio | 0.37% | 0.08% |
| Assets | $1.4B | $23.8B |
| Average daily dollar volume | $21M | $1.2B |
| Listed | Jun 12, 2000 | Dec 16, 1998 |
| FrenzyCap score | 65 | 87 |
| 1-month return | −2.4% | −2.6% |
| 3-month return | −9.0% | −9.4% |
| Year to date | −2.5% | −3.0% |
| 1-year return | −8.0% | −8.8% |
| 30-day volatility | 15.2% | 16.4% |
| Worst drawdown, 1 year | −16.7% | −17.8% |
| Trailing 12-month yield | 2.44% | 2.93% |
| Holdings | 50 | 33 |
| Top 10 weight | 52.2% | 59.0% |
| Look-through P/E | 20.1 | 18.9 |
| Holdings vs fair value | −4.3% | −4.5% |
| Holdings above 200-day average | 17% | 12% |
| Net flow, latest 3 reported months | −$82M thru Jul 2026 | −$1.0B thru Jun 2026 |
| 30-day implied volatility | 17.1% | 17.8% |
| Holdings as of | as of Oct 8, 2026issuer data | as of Oct 8, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
85% of IDU · 100% of XLU| Holding | IDU | XLU |
|---|---|---|
| NEE | 10.61% | 12.50% |
| SO | 6.52% | 7.68% |
| CEG | 6.01% | 7.28% |
| DUK | 5.98% | 7.06% |
| AEP | 4.38% | 5.16% |
| D | 3.57% | 4.21% |
| VST | 3.45% | 3.81% |
| SRE | 3.44% | 4.06% |
| ETR | 3.14% | 3.70% |
| XEL | 3.01% | 3.55% |
| EXC | 2.81% | 3.34% |
| ED | 2.57% | 3.04% |
| PEG | 2.36% | 2.77% |
| WEC | 2.22% | 2.62% |
| AEE | 1.85% | 2.18% |
| PCG | 1.83% | 2.16% |
| ATO | 1.74% | 2.10% |
| DTE | 1.73% | 2.05% |
| PPL | 1.69% | 1.99% |
| AWK | 1.67% | 1.97% |
| CNP | 1.65% | 1.96% |
| ES | 1.62% | 1.92% |
| FE | 1.62% | 1.81% |
| NRG | 1.42% | 1.73% |
| EIX | 1.36% | 1.62% |
Sector mix of the stock holdings
| Sector | IDU | XLU | Gap |
|---|---|---|---|
| Utilities | 99.5% | 99.8% | −0.4% |
| Materials | 0.3% | 0.0% | +0.3% |
More: full overlap table · IDU holdings · XLU holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.