IYZ vs VOT: Holdings Overlap
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
VOTVanguard Mid-cap Growth Index Fund
Vanguard · 130 holdings · $19.9B · as of 2026-03-31
How similar are IYZ and VOT?
iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21 positions; Vanguard Mid-cap Growth Index Fund (VOT, by Vanguard) holds 130. They have 3 holdings in common, and by portfolio weight the two funds are 3.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3IYZ holds 21 · VOT holds 130
- Weight in Shared Holdings
- IYZ 12%·VOT 3%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IYZ
18 of 21 positions (88.0% of the fund) are not held by VOT.
Only in VOT
127 of 130 positions (96.7% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYZ | VOT |
|---|---|---|
| Communication Services | 61.4% | 4.0% |
| Information Technology | 38.4% | 22.5% |
| Industrials | 0.0% | 25.1% |
| Consumer Discretionary | 0.0% | 15.2% |
| Health Care | 0.0% | 10.5% |
| Other Sectors | 0.0% | 22.5% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IYZ | +7.6% | +29.6% | +46.8% | +27.9% | +7.6% | +5.2% | 1.61% |
| VOT | +1.9% | +10.1% | +7.1% | +14.7% | +5.4% | +11.9% | 0.59% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IYZ vs VOT →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by MSI, CIEN and LITE.
Frequently Asked Questions
How much do IYZ and VOT overlap?
IYZ and VOT overlap by 3.2% of portfolio weight. They share 3 holdings (IYZ holds 21 positions and VOT holds 130), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYZ and VOT?
The two portfolios are 3.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IYZ and VOT?
The largest positions held by both funds are MSI, CIEN and LITE. Together the top 3 shared positions account for 100% of the total overlap.
What does IYZ own that VOT doesn't?
18 positions (88.0% of IYZ) are unique to IYZ, led by CSCO, VZ and T. In the other direction, 127 positions (96.7% of VOT) are unique to VOT.