IJS vs IYM: Holdings Overlap
IJSiShares S&P Small-Cap 600 Value ETF
iShares · 458 holdings · $8.4B · 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 (IJS: 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 IJS and IYM?
iShares S&P Small-Cap 600 Value ETF (IJS, by iShares) holds 458 positions; iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38. They have 4 holdings in common, and by portfolio weight the two funds are 2.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 4IJS holds 458 · IYM holds 38
- Weight in Shared Holdings
- IJS 3%·IYM 3%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 IJS
454 of 458 positions (95.8% of the fund) are not held by IYM. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJS | IYM |
|---|---|---|
| Materials | 6.7% | 88.4% |
| Financials | 20.6% | 0.0% |
| Consumer Discretionary | 15.4% | 0.0% |
| Industrials | 12.4% | 11.4% |
| Information Technology | 9.8% | 0.0% |
| Other Sectors | 32.7% | 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 IJS, 0% of IYM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJS | +3.6% | +23.1% | +39.5% | +13.6% | +8.2% | +10.2% | 1.29% |
| 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 IJS vs IYM →
Shared Holdings(4)
The top 4 shared positions account for 100% of the overlap, led by EMN, CE and ESI.
Frequently Asked Questions
How much do IJS and IYM overlap?
IJS and IYM overlap by 2.5% of portfolio weight. They share 4 holdings (IJS holds 458 positions and IYM holds 38), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJS and IYM?
The two portfolios are 2.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IJS and IYM?
The largest positions held by both funds are EMN, CE, ESI and FMC. Together the top 4 shared positions account for 100% of the total overlap.
What does IJS own that IYM doesn't?
454 positions (95.8% of IJS) are unique to IJS, led by LKQ, MTCH and SM. In the other direction, 34 positions (96.8% of IYM) are unique to IYM.