IYZvsVOXETF Comparison
ETF 1
IYZ
iShares U.S. Telecommunications ETF
This fund is part of
US Communication Services Sector
+0.22%
VS
ETF 2
VOX
Vanguard Communication Services ETF
This fund is part of
US Communication Services Sector
+0.22%
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 26.04% year-to-date (YTD) with +$258M in YTD flows. VOX performs worse with 1.85% YTD performance, and -$362M 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.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
IYZ vs VOX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 05/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYZ VOX | +7.73%+8.42% | +18.03%-0.80% | +26.04%+1.85% | +60.48%+33.98% | +101.12%+105.47% | +44.55%+50.14% |
| Flows | IYZ VOX | +$235M+$8M | +$253M-$236M | +$258M-$362M | +$441M+$257M | +$471M+$285M | +$442M+$576M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYZ VOX | +23.16%+18.07% | +16.87%+15.50% | +17.13%+17.85% | +18.62%+21.36% |
| Max drawdown | IYZ VOX | -5.61%-12.84% | -6.28%-13.56% | -13.93%-21.20% | -39.73%-46.73% |
| Max drawdown duration | IYZ VOX | 8d73d | 50d92d | 207d129d | 1462d1128d |
Trading data
IYZ | VOX | |
Last sale 5/1/2026 at 1:30 PM | $42.56 | $196.73 |
| Previous close 04/29/2026 | $42.21 | $196.84 |
| Consolidated volume 04/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of April 30, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
IYZ | VOX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 5/1/2026 at 1:30 PM
Live
Closed
IYZ | VOX | |
|---|---|---|
| Last price | $42.56 | $196.73 |
| 1D performance | +0.83% | -0.06% |
| AuM | $1.10 B | $5.99 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 |
Advertisement
Exposure
Countries
IYZ
USA
93.15%
Other
6.85%
VOX
USA
97.99%
Other
2.01%
Sectors
IYZ
Communication Ser.
54.78%
Information Techn.
34.44%
Other
10.77%
VOX
Communication Ser.
92.71%
Other
7.29%
Advertisement
Diversification
IYZ
Total weight of top 15 holdings out of 15
89.95%
VOX
Total weight of top 15 holdings out of 15
79.61%
Top 15 holdings
Data as of March 31, 2026
IYZ
CISCO-T
19.14%
VERIZON COMMUNICATIONS
13.45%
AT&T
12.84%
CIENA
4.25%
T-MOBILE US INC
4.10%
US0404132054
3.99%
COMCAST
3.97%
LUMENTUM HOLDINGS
3.88%
IRIDIUM COMMUNICATIONS
3.75%
MOTOROLA SOLUTIONS
3.71%
MILLICOM INTERNATIONAL CELLULAR
3.57%
UBIQUITI INC
3.46%
CHARTER COMMUNICATIONS INC(NEW)
3.35%
AST SPACEMOBILE
3.27%
ROKU INC
3.23%
VOX
META PLATFORMS
20.58%
ALPHABET INC-CL
13.14%
ALPHABET INC-CL
8.71%
NETFLIX
5.74%
VERIZON COMMUNICATIONS
4.72%
AT&T
4.65%
WALT DISNEY
4.04%
T-MOBILE US INC
3.02%
WARNER BROS. DISCOVERY
3.00%
COMCAST
2.93%
ELECTRONIC ARTS
2.18%
TAKE TWO
1.98%
ROBLOX
1.77%
LIVE NATION
1.61%
OMNICOM
1.54%
Frequently asked questions about IYZ and VOX
How have the IYZ and VOX ETFs performed in 2026?
As of May 1, 2026, IYZ is up 26.04% year-to-date (YTD), while VOX has returned 1.85%. 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 +$258M in flows, compared to -$362M for VOX.
Which ETF is more volatile: IYZ or VOX?
Over the past year, IYZ had a volatility of 16.87%, while VOX experienced 15.5%.
Which ETF is bigger: IYZ or VOX?
As of May 1, 2026, IYZ holds $1.10 B in assets under management (AUM), while VOX manages $5.99 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 89.95% of its assets in the top 15. VOX has 114 securities and a top 15 weight of 79.61%.
Advertisement
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
Advertisement
Advertisement
