IYZ vs VOX
iShares U.S. Telecommunications ETF against Vanguard Communication Services ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
20%
13 shared positions
Fee gap
28 bp
VOX is cheaper
1-year return gap
20.1 pts
IYZ is ahead
Larger fund
VOX
$5.9B
Side by side
| IYZ | VOX | |
|---|---|---|
| Fund | iShares U.S. Telecommunications ETF | Vanguard Communication Services ETF |
| Issuer | iShares | Vanguard |
| Category | Communication Services | Communication Services |
| Expense ratio | 0.37% | 0.09% |
| Assets | $979M | $5.9B |
| Average daily dollar volume | $32M | $68M |
| Listed | May 22, 2000 | Sep 23, 2004 |
| FrenzyCap score | 59 | 79 |
| 1-month return | −5.4% | −4.1% |
| 3-month return | −2.4% | +4.9% |
| Year to date | +16.5% | −3.1% |
| 1-year return | +20.1% | −0.0% |
| 30-day volatility | 21.7% | 21.5% |
| Worst drawdown, 1 year | −14.9% | −13.8% |
| Trailing 12-month yield | 1.70% | 0.99% |
| Holdings | 26 | 117 |
| Top 10 weight | 71.4% | 71.4% |
| Look-through P/E | 86.9 | 23.1 |
| Holdings vs fair value | +9.2% | +7.3% |
| Holdings above 200-day average | 55% | 45% |
| Net flow, latest 3 reported months | +$388M thru Jun 2026 | +$109M thru May 2026 |
| 30-day implied volatility | 20.7% | 21.1% |
| Holdings as of | as of Oct 20, 2026issuer data | as of Sep 30, 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
44% of IYZ · 20% of VOX
Sector mix of the stock holdings
| Sector | IYZ | VOX | Gap |
|---|---|---|---|
| Technology | 56.7% | 59.5% | −2.8% |
| Communication Services | 42.8% | 31.7% | +11.1% |
| Consumer Discretionary | 0.0% | 7.7% | −7.7% |
| Industrials | 0.0% | 0.2% | −0.2% |
| Real Estate | 0.0% | 0.0% | −0.0% |
More: full overlap table · IYZ holdings · VOX 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.