IWO vs XOP: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
XOPState Street® SPDR® S&P® Oil & Gas Exploration & Production ETF
State Street (SPDR) · 52 holdings · $3.6B · as of 2026-08-06
Holdings snapshots are 128 days apart (IWO: 2026-03-31, XOP: 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 XOP?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; State Street® SPDR® S&P® Oil & Gas Exploration & Production ETF (XOP, by State Street (SPDR)) holds 52. They have 11 holdings in common, and by portfolio weight the two funds are 0.9% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 11IWO holds 1101 · XOP holds 52
- Weight in Shared Holdings
- IWO 1%·XOP 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 IWO
1090 of 1101 positions (99.0% of the fund) are not held by XOP. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | XOP |
|---|---|---|
| Energy | 3.6% | 99.5% |
| Industrials | 23.7% | 0.0% |
| Health Care | 23.1% | 0.0% |
| Information Technology | 19.0% | 0.0% |
| Financials | 8.6% | 0.0% |
| Other Sectors | 17.8% | 0.0% |
| Unclassified | 4.0% | 0.4% |
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, 0% of XOP).
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% |
| XOP | +5.7% | +33.0% | +39.0% | +7.2% | +18.0% | +3.7% | 1.95% |
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 XOP →
Shared Holdings(11)
The top 10 shared positions account for 100% of the overlap, led by GPOR, DK and SOC.
 GPORGulfport Energy Operating Corp. COMMON SHARES | 0.23% | 2.10% | 0.23% |
|---|---|---|---|
 DKDelek US Holdings Inc. COM | 0.18% | 2.99% | 0.18% |
 SOCSable Offshore Corp., Class A | 0.14% | 0.70% | 0.14% |
 MGYMagnolia Oil & Gas Corporation CL A | 0.08% | 2.24% | 0.08% |
 CRKComstock Resources, Inc. COM | 0.07% | 0.94% | 0.07% |
 CVICVR Energy Inc. COM | 0.07% | 0.91% | 0.07% |
 PARRPar Pacific Holdings, Inc. COM NEW | 0.06% | 3.01% | 0.06% |
 REXRex American Resources Corp COM | 0.02% | 0.47% | 0.02% |
 CLMTCalumet Inc COM | 0.02% | 2.41% | 0.02% |
 WKCWorld Kinect Corporation COM | 0.01% | 1.30% | 0.01% |
 EGYVaalco Energy Inc COM NEW | 0.01% | 0.45% | 0.01% |
Frequently Asked Questions
How much do IWO and XOP overlap?
IWO and XOP overlap by 0.9% of portfolio weight. They share 11 holdings (IWO holds 1101 positions and XOP holds 52), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and XOP?
The two portfolios are 0.9% 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 XOP?
The largest positions held by both funds are GPOR, DK, SOC, MGY and CRK. Together the top 10 shared positions account for 100% of the total overlap.
What does IWO own that XOP doesn't?
1090 positions (99.0% of IWO) are unique to IWO, led by BE, FN and CRDO. In the other direction, 41 positions (82.4% of XOP) are unique to XOP.