IYZ vs KOMP: Holdings Overlap
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
KOMPState Street® SPDR® S&P Kensho New Economies Composite ETF
State Street (SPDR) · 501 holdings · $2.6B · as of 2026-08-06
Holdings snapshots are 128 days apart (IYZ: 2026-03-31, KOMP: 2026-08-06). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are IYZ and KOMP?
iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21 positions; State Street® SPDR® S&P Kensho New Economies Composite ETF (KOMP, by State Street (SPDR)) holds 501. They have 3 holdings in common, and by portfolio weight the two funds are 1.1% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3IYZ holds 21 · KOMP holds 501
- Weight in Shared Holdings
- IYZ 26%·KOMP 1%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 (73.7% of the fund) are not held by KOMP.
Only in KOMP
498 of 501 positions (98.8% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IYZ | KOMP |
|---|---|---|
| Communication Services | 61.4% | 3.6% |
| Information Technology | 38.4% | 29.9% |
| Industrials | 0.0% | 27.4% |
| Health Care | 0.0% | 12.4% |
| Consumer Discretionary | 0.0% | 4.3% |
| Other Sectors | 0.0% | 7.9% |
| Unclassified | 0.0% | 14.3% |
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. “Unclassified” is weight we could not classify (0% of IYZ, 14% of KOMP).
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% |
| KOMP | +3.5% | +18.5% | +29.5% | +17.6% | +3.3% | — | 1.47% |
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 KOMP →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by IRDM, CSCO and ROKU.
Frequently Asked Questions
How much do IYZ and KOMP overlap?
IYZ and KOMP overlap by 1.1% of portfolio weight. They share 3 holdings (IYZ holds 21 positions and KOMP holds 501), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IYZ and KOMP?
The two portfolios are 1.1% 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 KOMP?
The largest positions held by both funds are IRDM, CSCO and ROKU. Together the top 3 shared positions account for 100% of the total overlap.
What does IYZ own that KOMP doesn't?
18 positions (73.7% of IYZ) are unique to IYZ, led by VZ, T and CIEN. In the other direction, 498 positions (98.8% of KOMP) are unique to KOMP.