IFRA vs IYM: Holdings Overlap
IFRAiShares U.S. Infrastructure ETF
iShares · 162 holdings · $4.6B · as of 2026-03-31
IYMiShares U.S. Basic Materials ETF
iShares · 38 holdings · $1.1B · as of 2026-04-30
Holdings snapshots are 30 days apart (IFRA: 2026-03-31, IYM: 2026-04-30). 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 IFRA and IYM?
iShares U.S. Infrastructure ETF (IFRA, by iShares) holds 162 positions; iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38. They have 10 holdings in common, and by portfolio weight the two funds are 6.0% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 6.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10IFRA holds 162 · IYM holds 38
- Weight in Shared Holdings
- IFRA 6%·IYM 18%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 IFRA
152 of 162 positions (93.9% of the fund) are not held by IYM. Showing the top 30 by weight.
Sector Breakdown
| Sector | IFRA | IYM |
|---|---|---|
| Materials | 13.6% | 88.4% |
| Utilities | 41.4% | 0.0% |
| Industrials | 35.2% | 11.4% |
| Energy | 8.5% | 0.0% |
| Consumer Discretionary | 0.3% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 0.9% | 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 (1% of IFRA, 0% of IYM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IFRA | -1.1% | +17.1% | +22.3% | +17.8% | +13.3% | — | 1.59% |
| IYM | +5.2% | +23.1% | +34.0% | +13.6% | +9.2% | +10.8% | 1.24% |
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 IFRA vs IYM →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by NUE, STLD and CRS.
 NUENucor Corporation COM | 1.61% | 4.43% | 1.61% |
|---|---|---|---|
 STLDSteel Dynamics, Inc. COM | 1.02% | 3.38% | 1.02% |
 CRSCarpenter Technology Corporation COM | 0.80% | 2.29% | 0.80% |
 RSReliance Inc COM | 0.66% | 2.11% | 0.66% |
 SOLSSolstice Advanced Materials Inc. COM SHS | 0.51% | 1.45% | 0.51% |
 MLIMueller Industries Inc. COM | 0.51% | 1.63% | 0.51% |
 EMNEastman Chemical Company COM | 0.36% | 0.92% | 0.36% |
 CLFCleveland-Cliffs Inc COM | 0.20% | 0.64% | 0.20% |
 WLKWestlake Corporation COMMON STOCK | 0.16% | 0.43% | 0.16% |
 OLNOlin Corporation COM PAR $1 | 0.14% | 0.36% | 0.14% |
Frequently Asked Questions
How much do IFRA and IYM overlap?
IFRA and IYM overlap by 6.0% of portfolio weight. They share 10 holdings (IFRA holds 162 positions and IYM holds 38), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IFRA and IYM?
The two portfolios are 6.0% 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 IFRA and IYM?
The largest positions held by both funds are NUE, STLD, CRS, RS and SOLS. Together the top 10 shared positions account for 100% of the total overlap.
What does IFRA own that IYM doesn't?
152 positions (93.9% of IFRA) are unique to IFRA, led by CAT, NEE and UNP. In the other direction, 28 positions (82.2% of IYM) are unique to IYM.