GNR vs IYM: Holdings Overlap
GNRState Street® SPDR® S&P® Global Natural Resources ETF
State Street (SPDR) · 94 holdings · $4.8B · as of 2026-08-06
IYMiShares U.S. Basic Materials ETF
iShares · 38 holdings · $1.1B · as of 2026-04-30
Holdings snapshots are 98 days apart (GNR: 2026-08-06, 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 GNR and IYM?
State Street® SPDR® S&P® Global Natural Resources ETF (GNR, by State Street (SPDR)) holds 94 positions; iShares U.S. Basic Materials ETF (IYM, by iShares) holds 38. They have 13 holdings in common, and by portfolio weight the two funds are 12.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 12.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 13GNR holds 94 · IYM holds 38
- Weight in Shared Holdings
- GNR 13%·IYM 39%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 GNR
81 of 94 positions (86.6% of the fund) are not held by IYM. Showing the top 30 by weight.
Sector Breakdown
| Sector | GNR | IYM |
|---|---|---|
| Materials | 57.3% | 88.4% |
| Energy | 32.0% | 0.0% |
| Industrials | 0.0% | 11.4% |
| Consumer Staples | 3.6% | 0.0% |
| Real Estate | 1.0% | 0.0% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 5.5% | 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 (6% of GNR, 0% of IYM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| GNR | +9.0% | +20.6% | +37.3% | +13.2% | +11.1% | +10.4% | 2.46% |
| 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 GNR vs IYM →
Shared Holdings(13)
The top 10 shared positions account for 95% of the overlap, led by NEM, FCX and NUE.
2.77% | 10.51% | 2.77% | |
2.36% | 7.25% | 2.36% | |
1.50% | 4.43% | 1.50% | |
1.13% | 1.77% | 1.13% | |
0.96% | 2.15% | 0.96% | |
0.90% | 3.55% | 0.90% | |
0.87% | 3.38% | 0.87% | |
0.71% | 1.40% | 0.71% | |
0.52% | 2.11% | 0.52% | |
0.39% | 0.82% | 0.39% | |
0.39% | 1.60% | 0.39% | |
0.15% | 0.30% | 0.15% | |
0.07% | 0.21% | 0.07% |
Frequently Asked Questions
How much do GNR and IYM overlap?
GNR and IYM overlap by 12.7% of portfolio weight. They share 13 holdings (GNR holds 94 positions and IYM holds 38), based on each fund's latest SEC-reported holdings.
Is it redundant to own both GNR and IYM?
The two portfolios are 12.7% 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 GNR and IYM?
The largest positions held by both funds are NEM, FCX, NUE, IP and CF. Together the top 10 shared positions account for 95% of the total overlap.
What does GNR own that IYM doesn't?
81 positions (86.6% of GNR) are unique to GNR, led by BHP, NTR and XOM. In the other direction, 25 positions (60.3% of IYM) are unique to IYM.