IWO vs XME: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
XMEState Street® SPDR® S&P® Metals & Mining ETF
State Street (SPDR) · 39 holdings · $4.0B · as of 2026-08-06
Holdings snapshots are 128 days apart (IWO: 2026-03-31, XME: 2026-08-06). 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 IWO and XME?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; State Street® SPDR® S&P® Metals & Mining ETF (XME, by State Street (SPDR)) holds 39. They have 19 holdings in common, and by portfolio weight the two funds are 2.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 19IWO holds 1101 · XME holds 39
- Weight in Shared Holdings
- IWO 2%·XME 44%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 IWO
1082 of 1101 positions (97.5% of the fund) are not held by XME. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | XME |
|---|---|---|
| Materials | 3.8% | 76.0% |
| Industrials | 23.7% | 0.0% |
| Health Care | 23.1% | 0.0% |
| Energy | 3.6% | 20.5% |
| Information Technology | 19.0% | 0.0% |
| Other Sectors | 22.6% | 0.0% |
| Unclassified | 4.0% | 3.4% |
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 (4% of IWO, 3% of XME).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
| XME | +12.9% | +11.8% | +49.0% | +31.5% | +22.7% | +16.4% | 0.32% |
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 IWO vs XME →
Shared Holdings(19)
The top 10 shared positions account for 88% of the overlap, led by CDE, UEC and CENX.
 CDECoeur Mining Inc COM NEW | 0.64% | 4.14% | 0.64% |
|---|---|---|---|
 UECUranium Energy Corp. COM | 0.43% | 4.65% | 0.43% |
 CENXCentury Aluminum Company COM | 0.22% | 3.17% | 0.22% |
 HLHecla Mining Company COM | 0.19% | 4.60% | 0.19% |
 LEUCentrus Energy Corp., Class A | 0.15% | 4.72% | 0.15% |
 CNRCore Natural Resources Inc. COM SHS | 0.12% | 4.02% | 0.12% |
 USARUSA Rare Earth Inc. COM | 0.09% | 3.49% | 0.09% |
 IEIvanhoe Electric Inc / US | 0.07% | 1.87% | 0.07% |
 UAMYUnited States Antimony Corp COM | 0.07% | 1.15% | 0.07% |
 KALUKaiser Aluminium Corporation COM PAR $0.01 | 0.07% | 2.49% | 0.07% |
 AMRAlpha Metallurgical Resources Inc COM | 0.05% | 1.87% | 0.05% |
 METCRamaco Resources, Inc., Class A | 0.04% | 0.46% | 0.04% |
 MTRNMaterion Corp COM | 0.04% | 3.82% | 0.04% |
 CMPCompass Minerals International Inc. COM | 0.04% | 0.90% | 0.04% |
 IDRIdaho Strategic Resources COM NEW | 0.03% | 0.66% | 0.03% |
 DCDakota Gold Corp COM | 0.03% | 0.64% | 0.03% |
 CTGOContango Silver & Gold, Inc. | 0.02% | 0.73% | 0.02% |
 LTBRLightbridge Corp. | 0.02% | 0.45% | 0.02% |
 ABATAmerican Battery Technology COM NEW | 0.01% | 0.43% | 0.01% |
Frequently Asked Questions
How much do IWO and XME overlap?
IWO and XME overlap by 2.4% of portfolio weight. They share 19 holdings (IWO holds 1101 positions and XME holds 39), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and XME?
The two portfolios are 2.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IWO and XME?
The largest positions held by both funds are CDE, UEC, CENX, HL and LEU. Together the top 10 shared positions account for 88% of the total overlap.
What does IWO own that XME doesn't?
1082 positions (97.5% of IWO) are unique to IWO, led by BE, FN and CRDO. In the other direction, 20 positions (55.7% of XME) are unique to XME.