GDX vs IYM: Holdings Overlap
VanEck · 51 holdings · $23.7B · 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 (GDX: 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 GDX and IYM?
VanEck Gold Miners ETF (GDX, by VanEck) holds 51 positions; iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38. They have 3 holdings in common, and by portfolio weight the two funds are 16.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 16.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3GDX holds 51 · IYM holds 38
- Weight in Shared Holdings
- GDX 18%·IYM 16%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 GDX
48 of 51 positions (81.7% of the fund) are not held by IYM. Showing the top 30 by weight.
Sector Breakdown
| Sector | GDX | IYM |
|---|---|---|
| Materials | 97.4% | 88.4% |
| Industrials | 0.0% | 11.4% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 2.4% | 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. “Unclassified” is weight we could not classify (2% of GDX, 0% of IYM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| GDX | +18.6% | +4.8% | +56.3% | +47.0% | +23.7% | +12.6% | 0.70% |
| 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 GDX vs IYM →
Shared Holdings(3)
The top 3 shared positions account for 100% of the overlap, led by NEM, AU and RGLD.
Frequently Asked Questions
How much do GDX and IYM overlap?
GDX and IYM overlap by 16.2% of portfolio weight. They share 3 holdings (GDX holds 51 positions and IYM holds 38), based on each fund's latest SEC-reported holdings.
Is it redundant to own both GDX and IYM?
The two portfolios are 16.2% 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 GDX and IYM?
The largest positions held by both funds are NEM, AU and RGLD. Together the top 3 shared positions account for 100% of the total overlap.
What does GDX own that IYM doesn't?
48 positions (81.7% of GDX) are unique to GDX, led by AEM, ABX and FNV. In the other direction, 35 positions (83.6% of IYM) are unique to IYM.