FCOM vs IYZ: Holdings Overlap
FCOMFidelity MSCI Communication Services Index ETF
Fidelity · 89 holdings · $1.7B · as of 2026-04-30
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
Holdings snapshots are 30 days apart (FCOM: 2026-04-30, IYZ: 2026-03-31). 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 FCOM and IYZ?
Fidelity MSCI Communication Services Index ETF (FCOM, by Fidelity) holds 89 positions; iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21. They have 13 holdings in common, and by portfolio weight the two funds are 17.0% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 17.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 13FCOM holds 89 · IYZ holds 21
- Weight in Shared Holdings
- FCOM 17%·IYZ 58%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 FCOM
76 of 89 positions (82.8% of the fund) are not held by IYZ. Showing the top 30 by weight.
Only in IYZ
8 of 21 positions (42.3% of the fund) are not held by FCOM.
Sector Breakdown
| Sector | FCOM | IYZ |
|---|---|---|
| Communication Services | 99.8% | 61.4% |
| Information Technology | 0.0% | 38.4% |
| Other Sectors | 0.0% | 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 |
|---|---|---|---|---|---|---|---|
| FCOM | -1.3% | -2.9% | +8.4% | +20.2% | +6.1% | +10.5% | 0.99% |
| 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 FCOM vs IYZ →
Shared Holdings(13)
The top 10 shared positions account for 99% of the overlap, led by VZ, T and CMCSA.
 VZVerizon Communications Inc. COM | 4.18% | 13.44% | 4.18% |
|---|---|---|---|
 TAT&T Inc COM | 3.88% | 12.84% | 3.88% |
 CMCSAComcast Corporation CL A | 2.69% | 3.97% | 2.69% |
 TMUST-Mobile US Inc COM | 2.68% | 4.10% | 2.68% |
 ASTSAST SpaceMobile, Inc., Class A | 1.00% | 3.27% | 1.00% |
 ROKURoku, Inc., Class A | 0.92% | 3.23% | 0.92% |
 CHTRCharter Communications, Inc., Class A | 0.84% | 3.35% | 0.84% |
 LBRDKLiberty Broadband Corporation COM SER C | 0.27% | 2.85% | 0.27% |
 IRDMIridium Communications, Inc. COM | 0.22% | 3.74% | 0.22% |
 LBTYALiberty Global Ltd., Class A | 0.12% | 1.89% | 0.12% |
 LBTYKLiberty Global Ltd., Class C | 0.09% | 1.43% | 0.09% |
 GLIBKGCI Liberty, Inc., Class C | 0.07% | 3.03% | 0.07% |
 LBRDALiberty Broadband Corporation COM SER A | 0.04% | 0.41% | 0.04% |
Frequently Asked Questions
How much do FCOM and IYZ overlap?
FCOM and IYZ overlap by 17.0% of portfolio weight. They share 13 holdings (FCOM holds 89 positions and IYZ holds 21), based on each fund's latest SEC-reported holdings.
Is it redundant to own both FCOM and IYZ?
The two portfolios are 17.0% 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 FCOM and IYZ?
The largest positions held by both funds are VZ, T, CMCSA, TMUS and ASTS. Together the top 10 shared positions account for 99% of the total overlap.
What does FCOM own that IYZ doesn't?
76 positions (82.8% of FCOM) are unique to FCOM, led by META, GOOGL and GOOG. In the other direction, 8 positions (42.3% of IYZ) are unique to IYZ.