DFAT vs IYZ: Holdings Overlap
DFATDimensional U.S. Targeted Value ETF
Dimensional · 1281 holdings · $14.5B · 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 (DFAT: 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 DFAT and IYZ?
Dimensional U.S. Targeted Value ETF (DFAT, by Dimensional) holds 1281 positions; iShares U.S. Telecommunications ETF (IYZ, by iShares) holds 21. They have 4 holdings in common, and by portfolio weight the two funds are 0.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 4DFAT holds 1281 · IYZ holds 21
- Weight in Shared Holdings
- DFAT 0%·IYZ 7%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 DFAT
1277 of 1281 positions (99.5% of the fund) are not held by IYZ. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAT | IYZ |
|---|---|---|
| Communication Services | 1.9% | 61.4% |
| Information Technology | 7.9% | 38.4% |
| Financials | 26.9% | 0.0% |
| Industrials | 16.5% | 0.0% |
| Consumer Discretionary | 12.9% | 0.0% |
| Other Sectors | 30.7% | 0.0% |
| Unclassified | 2.9% | 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 (3% of DFAT, 0% of IYZ).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| DFAT | +3.8% | +21.7% | +34.5% | +15.0% | +11.7% | — | 1.33% |
| 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 DFAT vs IYZ →
Shared Holdings(4)
The top 4 shared positions account for 99% of the overlap, led by LBTYA, LBTYK and GLIBK.
Frequently Asked Questions
How much do DFAT and IYZ overlap?
DFAT and IYZ overlap by 0.2% of portfolio weight. They share 4 holdings (DFAT holds 1281 positions and IYZ holds 21), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAT and IYZ?
The two portfolios are 0.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of DFAT and IYZ?
The largest positions held by both funds are LBTYA, LBTYK, GLIBK and GLIBA. Together the top 4 shared positions account for 99% of the total overlap.
What does DFAT own that IYZ doesn't?
1277 positions (99.5% of DFAT) are unique to DFAT, led by PR, WCC and CF. In the other direction, 17 positions (93.2% of IYZ) are unique to IYZ.