IYZvsVOXETF Comparison
ETF 1
IYZ
iShares U.S. Telecommunications ETF
This fund is part of
US Communication Services Sector
+3.74%
VS
ETF 2
VOX
Vanguard Communication Services ETF
This fund is part of
US Communication Services Sector
+3.74%
iShares U.S. Telecommunications ETF (IYZ) and Vanguard Communication Services ETF (VOX) belong to the same industry segment: US Communication Services Sector. Both ETFs have the same top 3 sector exposures: Technology, Telecommunications and Consumer Services. IYZ is more expensive with a Total Expense Ratio (TER) of 0.37%, versus 0.09% for VOX. IYZ is up 26.64% year-to-date (YTD) with +$285M in YTD flows. VOX performs worse with 2.52% YTD performance, and -$113M in YTD flows. Run a side-by-side ETF comparison of IYZ and VOX below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IYZ vs VOX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/21/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYZ VOX | -1.02%+6.25% | +1.81%+8.55% | +26.64%+2.52% | +34.41%+4.35% | +108.19%+93.20% | +44.08%+45.23% |
| Flows | IYZ VOX | -$132M+$184M | -$22M+$285M | +$285M-$113M | +$290M+$106M | +$494M+$220M | +$505M+$165M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYZ VOX | +21.47%+21.77% | +20.76%+17.92% | +18.10%+18.46% | +19.45%+21.68% |
| Max drawdown | IYZ VOX | -6.53%-8.10% | -13.40%-13.56% | -13.93%-21.20% | -37.49%-45.05% |
| Max drawdown duration | IYZ VOX | 35d58d | 111d235d | 207d129d | 1316d1012d |
Trading data
IYZ | VOX | |
Last sale 9/22/2026 at 1:30 PM | $41.76 | $195.59 |
| Previous close 09/21/2026 | $42.45 | $197.50 |
| Consolidated volume 09/21/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IYZ | VOX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/22/2026 at 1:30 PM
Live
Closed
IYZ | VOX | |
|---|---|---|
| Last price | $41.76 | $195.59 |
| 1D performance | -1.63% | -0.97% |
| AuM | $1.13 B | $6.27 B |
| E/R | 0.37% | 0.09% |
Characteristics
IYZ | VOX | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Vanguard |
| Benchmark | Russell 1000 Telecommunications RIC 22.5/45 Capped Index | MSCI US IMI Communication Services 25/50 Index |
| N° of holdings | 23 | 106 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2000 | September 23, 2004 |
| ESG | No | No |
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Exposure
Countries
IYZ
USA
94.69%
Other
5.31%
VOX
USA
98.21%
Other
1.79%
Sectors
IYZ
Technology
49.62%
Telecommunication.
47.17%
Other
3.21%
VOX
Technology
59.48%
Telecommunication.
19.41%
Consumer Services
18.1%
Other
3%
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Diversification
IYZ
Total weight of top 15 holdings out of 15
84.94%
VOX
Total weight of top 15 holdings out of 15
77.81%
Top 15 holdings
Data as of July 31, 2026
IYZ
Cisco Systems, Inc.
22.93%
Verizon Communications, Inc.
12.54%
Arista Networks, Inc.
11.64%
AT&T, Inc.
4.90%
Comcast Corp.
3.83%
Motorola Solutions, Inc.
3.73%
T-Mobile US, Inc.
3.63%
Roku, Inc.
2.90%
Ciena Corp.
2.89%
Charter Communications, Inc.
2.83%
Millicom International Cellular SA
2.78%
Lumentum Holdings, Inc.
2.71%
Iridium Communications, Inc.
2.69%
Globalstar, Inc.
2.54%
Liberty Broadband Corp.
2.39%
VOX
Meta Platforms, Inc.
19.82%
Alphabet, Inc.
15.08%
Alphabet, Inc.
8.54%
Netflix, Inc.
4.80%
Verizon Communications, Inc.
4.48%
The Walt Disney Co.
4.00%
AT&T, Inc.
3.94%
Comcast Corp.
2.73%
T-Mobile US, Inc.
2.58%
Warner Bros. Discovery, Inc.
2.38%
Electronic Arts, Inc.
2.13%
Take-Two Interactive Software, Inc.
2.10%
Applovin Corp.
2.06%
Live Nation Entertainment, Inc.
1.66%
Space Exploration Technologies Corp.
1.52%
Frequently asked questions about IYZ and VOX
How have the IYZ and VOX ETFs performed in 2026?
As of September 21, 2026, IYZ is up 26.64% year-to-date (YTD), while VOX has returned 2.52%. That puts IYZ better performer ahead so far this year.
Which ETF is attracting more investor money: IYZ or VOX?
Year-to-date, the IYZ ETF saw +$285M in flows, compared to -$113M for VOX.
Which ETF is more volatile: IYZ or VOX?
Over the past year, IYZ had a volatility of 20.76%, while VOX experienced 17.92%.
Which ETF is bigger: IYZ or VOX?
As of September 21, 2026, IYZ holds $1.13 B in assets under management (AUM), while VOX manages $6.27 B.
What sectors do the IYZ and VOX ETFs invest in?
IYZ leans toward sectors like Technology and Telecommunications. Meanwhile, VOX focuses on Technology, Telecommunications and Consumer Services.
What are the top holdings of the IYZ ETF and VOX ETF?
IYZ top holdings include Cisco Systems, Inc., Verizon Communications, Inc. and Arista Networks, Inc.. VOX holds in its top three: Meta Platforms, Inc., Alphabet, Inc. and Alphabet, Inc..
Which ETF is more diversified: IYZ or VOX?
IYZ holds 25 securities with 84.94% of its assets in the top 15. VOX has 114 securities and a top 15 weight of 77.81%.
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Latest news about IYZ & VOX
A Tale of Two Communication Services Giants
April 29, 2024
VOX
Tony's ETF Buyer's Guide: Sector ETFs (Vanguard versus State Street SPDR)
December 1, 2023
VOX
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