IVV vs IYZ: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
How similar are IVV and IYZ?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21. They have 10 holdings in common, and by portfolio weight the two funds are 2.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10IVV holds 503 · IYZ holds 21
- Weight in Shared Holdings
- IVV 2%·IYZ 73%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 IVV
493 of 503 positions (97.5% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | IYZ |
|---|---|---|
| Communication Services | 10.5% | 61.4% |
| Information Technology | 32.6% | 38.4% |
| Financials | 12.6% | 0.0% |
| Consumer Discretionary | 9.8% | 0.0% |
| Health Care | 9.4% | 0.0% |
| Other Sectors | 24.8% | 0.0% |
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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| IYZ | +7.6% | +29.6% | +46.8% | +27.9% | +7.6% | +5.2% | 1.61% |
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 IVV vs IYZ →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by CSCO, VZ and T.
 CSCOCisco Systems, Inc. COM | 0.55% | 19.13% | 0.55% |
|---|---|---|---|
 VZVerizon Communications Inc. COM | 0.38% | 13.44% | 0.38% |
 TAT&T Inc COM | 0.36% | 12.84% | 0.36% |
 ANETArista Networks Inc COM SHS | 0.23% | 3.98% | 0.23% |
 CMCSAComcast Corporation CL A | 0.18% | 3.97% | 0.18% |
 TMUST-Mobile US Inc COM | 0.18% | 4.10% | 0.18% |
 MSIMotorola Solutions Inc COM NEW | 0.13% | 3.71% | 0.13% |
 CIENCiena Corporation COM NEW | 0.10% | 4.25% | 0.10% |
 LITELumentum Holdings Inc. COM | 0.09% | 3.88% | 0.09% |
 CHTRCharter Communications, Inc., Class A | 0.03% | 3.35% | 0.03% |
Frequently Asked Questions
How much do IVV and IYZ overlap?
IVV and IYZ overlap by 2.2% of portfolio weight. They share 10 holdings (IVV holds 503 positions and IYZ holds 21), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and IYZ?
The two portfolios are 2.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IVV and IYZ?
The largest positions held by both funds are CSCO, VZ, T, ANET and CMCSA. Together the top 10 shared positions account for 100% of the total overlap.
What does IVV own that IYZ doesn't?
493 positions (97.5% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 11 positions (27.2% of IYZ) are unique to IYZ.