IYZvsVOXETF Comparison
ETF 1
IYZ
iShares U.S. Telecommunications ETF
This fund is part of
US Communication Services Sector
+0.06%
VS
ETF 2
VOX
Vanguard Communication Services ETF
This fund is part of
US Communication Services Sector
+0.06%
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: Communication Services and Information Technology. IYZ is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.09% for VOX. IYZ is up 24.79% year-to-date (YTD) with +$261M in YTD flows. VOX performs worse with -5.3% YTD performance, and -$371M 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 06/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYZ VOX | -5.80%-7.03% | +5.58%-0.52% | +24.79%-5.30% | +49.64%+12.93% | +112.54%+80.85% | +41.43%+35.33% |
| Flows | IYZ VOX | -$69M+$35M | +$291M-$19M | +$261M-$371M | +$426M-$142M | +$483M+$312M | +$442M+$490M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYZ VOX | +25.68%+19.19% | +18.82%+15.77% | +17.58%+17.98% | +18.98%+21.39% |
| Max drawdown | IYZ VOX | -9.17%-8.51% | -9.17%-13.56% | -13.93%-21.20% | -39.73%-46.73% |
| Max drawdown duration | IYZ VOX | 21d26d | 21d145d | 207d129d | 1462d1128d |
Trading data
IYZ | VOX | |
Last sale 6/23/2026 at 1:30 PM | $42.00 | $182.84 |
| Previous close 06/22/2026 | $41.86 | $182.37 |
| Consolidated volume 06/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of May 29, 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 6/23/2026 at 1:30 PM
Live
Closed
IYZ | VOX | |
|---|---|---|
| Last price | $42.00 | $182.84 |
| 1D performance | +0.33% | +0.26% |
| AuM | $1.09 B | $5.56 B |
| E/R | 0.38% | 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 | 16 | 83 |
| 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
93.25%
Other
6.75%
VOX
USA
98.48%
Other
1.52%
Sectors
IYZ
Communication Ser.
49.88%
Information Techn.
38.88%
Other
11.24%
VOX
Communication Ser.
93.31%
Other
6.69%
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Diversification
IYZ
Total weight of top 15 holdings out of 15
91.89%
VOX
Total weight of top 15 holdings out of 15
80.66%
Top 15 holdings
Data as of April 30, 2026
IYZ
CISCO-T
21.13%
VERIZON COMMUNICATIONS
12.05%
AT&T
10.84%
CIENA
5.41%
US0404132054
5.25%
IRIDIUM COMMUNICATIONS
4.94%
LUMENTUM HOLDINGS
4.67%
UBIQUITI INC
4.15%
MILLICOM INTERNATIONAL CELLULAR
3.79%
ROKU INC
3.72%
T-MOBILE US INC
3.57%
MOTOROLA SOLUTIONS
3.51%
COMCAST
3.50%
AST SPACEMOBILE
2.73%
US36164V8000
2.62%
VOX
META PLATFORMS
20.26%
ALPHABET INC-CL
16.18%
ALPHABET INC-CL
10.68%
NETFLIX
5.15%
VERIZON COMMUNICATIONS
4.16%
WALT DISNEY
4.00%
AT&T
3.86%
WARNER BROS. DISCOVERY
2.72%
T-MOBILE US INC
2.59%
COMCAST
2.54%
ELECTRONIC ARTS
1.99%
TAKE TWO
1.97%
ROBLOX
1.59%
LIVE NATION
1.53%
OMNICOM
1.44%
Frequently asked questions about IYZ and VOX
How have the IYZ and VOX ETFs performed in 2026?
As of June 23, 2026, IYZ is up 24.79% year-to-date (YTD), while VOX has lost -5.3%. 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 +$261M in flows, compared to -$371M for VOX.
Which ETF is more volatile: IYZ or VOX?
Over the past year, IYZ had a volatility of 18.82%, while VOX experienced 15.77%.
Which ETF is bigger: IYZ or VOX?
As of June 23, 2026, IYZ holds $1.09 B in assets under management (AUM), while VOX manages $5.56 B.
What sectors do the IYZ and VOX ETFs invest in?
IYZ leans toward sectors like Communication Services and Information Technology. Meanwhile, VOX focuses on Communication Services.
What are the top holdings of the IYZ ETF and VOX ETF?
IYZ top holdings include CISCO-T, VERIZON COMMUNICATIONS and AT&T. VOX holds in its top three: META PLATFORMS, ALPHABET INC-CL and ALPHABET INC-CL.
Which ETF is more diversified: IYZ or VOX?
IYZ holds 22 securities with 91.89% of its assets in the top 15. VOX has 114 securities and a top 15 weight of 80.66%.
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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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