CIBR vs IYZ: Holdings Overlap
CIBRFirst Trust Nasdaq Cybersecurity ETF
First Trust · 42 holdings · $15.3B · as of 2026-03-31
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
How similar are CIBR and IYZ?
First Trust Nasdaq Cybersecurity ETF (CIBR, by First Trust) holds 42 positions; iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21. They have 2 holdings in common, and by portfolio weight the two funds are 9.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 9.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2CIBR holds 42 · IYZ holds 21
- Weight in Shared Holdings
- CIBR 9%·IYZ 23%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 CIBR
40 of 42 positions (90.0% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | CIBR | IYZ |
|---|---|---|
| Information Technology | 88.7% | 38.4% |
| Communication Services | 2.1% | 61.4% |
| Industrials | 6.5% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 2.1% | 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. “Unclassified” is weight we could not classify (2% of CIBR, 0% of IYZ).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| CIBR | +6.1% | +37.3% | +38.2% | +29.9% | +15.5% | +18.9% | 0.40% |
| 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 CIBR vs IYZ →
Shared Holdings(2)
Frequently Asked Questions
How much do CIBR and IYZ overlap?
CIBR and IYZ overlap by 9.5% of portfolio weight. They share 2 holdings (CIBR holds 42 positions and IYZ holds 21), based on each fund's latest SEC-reported holdings.
Is it redundant to own both CIBR and IYZ?
The two portfolios are 9.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of CIBR and IYZ?
The largest positions held by both funds are CSCO and ANET. Together the top 2 shared positions account for 100% of the total overlap.
What does CIBR own that IYZ doesn't?
40 positions (90.0% of CIBR) are unique to CIBR, led by PANW, CRWD and AVGO. In the other direction, 19 positions (76.7% of IYZ) are unique to IYZ.