FDN vs IYZ: Holdings Overlap
FDNFirst Trust Dow Jones Internet Index Fund
First Trust · 41 holdings · $5.3B · as of 2026-03-31
IYZiShares U.S. Telecommunications ETF
iShares · 21 holdings · $1.3B · as of 2026-03-31
How similar are FDN and IYZ?
First Trust Dow Jones Internet Index Fund (FDN, by First Trust) holds 41 positions; iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21. They have 3 holdings in common, and by portfolio weight the two funds are 13.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 13.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3FDN holds 41 · IYZ holds 21
- Weight in Shared Holdings
- FDN 14%·IYZ 27%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 FDN
38 of 41 positions (86.1% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | FDN | IYZ |
|---|---|---|
| Communication Services | 29.8% | 61.4% |
| Information Technology | 38.1% | 38.4% |
| Consumer Discretionary | 26.9% | 0.0% |
| Financials | 2.2% | 0.0% |
| Industrials | 1.6% | 0.0% |
| Other Sectors | 1.4% | 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 |
|---|---|---|---|---|---|---|---|
| FDN | +6.5% | +7.5% | +6.5% | +19.6% | +3.6% | +13.9% | — |
| 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 FDN vs IYZ →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by CSCO, ANET and CIEN.
Frequently Asked Questions
How much do FDN and IYZ overlap?
FDN and IYZ overlap by 13.7% of portfolio weight. They share 3 holdings (FDN holds 41 positions and IYZ holds 21), based on each fund's latest SEC-reported holdings.
Is it redundant to own both FDN and IYZ?
The two portfolios are 13.7% 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 FDN and IYZ?
The largest positions held by both funds are CSCO, ANET and CIEN. Together the top 3 shared positions account for 100% of the total overlap.
What does FDN own that IYZ doesn't?
38 positions (86.1% of FDN) are unique to FDN, led by AMZN, META and NFLX. In the other direction, 18 positions (72.5% of IYZ) are unique to IYZ.