IYZ vs VOX: holdings overlap, shared companies and scores
As of September 11, 2026, IYZ and VOX overlap 19.5% by weight. iShares U.S. Telecommunications ETF (IYZ): U.S. telecommunications stocks. Vanguard Communication Services ETF (VOX): U.S. communication services stocks.
Updated September 11, 2026
How much do IYZ and VOX overlap?
As of September 11, 2026, IYZ and VOX overlap 19.5% by weight.
48% of IYZ is already inside VOX.
20% of VOX is already inside IYZ.
IYZ holds 25 companies and VOX holds 114; 13 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IYZ and VOX?
As of September 11, 2026, ETF Copilot scores IYZ 4.8 out of 10 and VOX 4.2 out of 10.
They differ most on Growth: IYZ 7.4 and VOX 0.3.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IYZ | VOX |
|---|---|---|
| Growth | 7.4 | 0.3 |
| Valuation | 1.9 | 7.6 |
| Risk | 3.8 | 4.2 |
| Quality | 6.2 | 7.5 |
| Return | 4.1 | 3.6 |
VOX is the cheaper of the two at 0.09% a year
As of September 11, 2026, IYZ charges 0.37% a year, yields 2.38% and holds $1.2B in assets across 25 positions.
As of September 11, 2026, VOX charges 0.09% a year, yields 1.05% and holds $6.0B in assets across 114 positions.
| Measure | IYZ | VOX |
|---|---|---|
| Expense ratio | 0.37% | 0.09% |
| Dividend yield | 2.38% | 1.05% |
| Assets under management | $1.2B | $6.0B |
| Holdings | 25 | 114 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where IYZ and VOX trade against their own history
IYZ trades at 18.1 times earnings, against its own median of 16.0, and is more expensive than 85% of its own 114 monthly readings since 2017.
VOX trades at 17.5 times earnings, against its own median of 20.3, and is cheaper than 71% of its own 114 monthly readings since 2017.
What moved IYZ this week
IYZ rose 1.4% in the week to September 11, 2026. The holdings that moved it most were Cisco Systems (+3.2%), Arista Networks (+4.3%) and Lumentum (+9.4%); Comcast (−5.4%) pushed the other way.
What do IYZ and VOX each hold?
What's inside IYZ: Tech 54%, AI 7%.
74% of IYZ is its ten largest holdings.
What's inside VOX: Tech 55%, Magnificent 7 44%.
69% of VOX is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IYZ vs VOX holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iyz-vs-vox
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