IWO vs VDE: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
Vanguard · 105 holdings · $10.0B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWO: 2026-03-31, VDE: 2026-05-31). 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 VDE?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; Vanguard Energy Index Fund (VDE, by Vanguard) holds 105. They have 28 holdings in common, and by portfolio weight the two funds are 3.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 28IWO holds 1101 · VDE holds 105
- Weight in Shared Holdings
- IWO 4%·VDE 4%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
1073 of 1101 positions (96.3% of the fund) are not held by VDE. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | VDE |
|---|---|---|
| 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% | 0.0% |
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 (4% of IWO, 0% of VDE).
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% |
| VDE | +5.2% | +30.6% | +40.8% | +13.4% | +22.8% | +9.4% | 2.48% |
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 VDE →
Shared Holdings(28)
The top 10 shared positions account for 69% of the overlap, led by KGS, UEC and AROC.
 KGSKodiak Gas Services Inc. COM | 0.33% | 0.32% | 0.32% |
|---|---|---|---|
 UECUranium Energy Corp. COM | 0.43% | 0.31% | 0.31% |
 AROCArchrock Inc COM | 0.40% | 0.27% | 0.27% |
 WHDCactus, Inc., Class A | 0.22% | 0.20% | 0.20% |
 OIIOceaneering International, Inc. COM | 0.21% | 0.20% | 0.20% |
 TDWTidewater Inc New COM | 0.26% | 0.18% | 0.18% |
 SEISolaris Energy Infrastructure, Inc., Class A | 0.18% | 0.17% | 0.17% |
 DKDelek US Holdings Inc. COM | 0.18% | 0.16% | 0.16% |
 LEUCentrus Energy Corp., Class A | 0.15% | 0.16% | 0.15% |
 GPORGulfport Energy Operating Corp. COMMON SHARES | 0.23% | 0.14% | 0.14% |
 CNRCore Natural Resources Inc. COM SHS | 0.12% | 0.22% | 0.12% |
 SOCSable Offshore Corp., Class A | 0.14% | 0.12% | 0.12% |
 KNTKKinetik Holdings Inc COM NEW CL A | 0.11% | 0.13% | 0.11% |
 NEXTNextDecade Corp. COM | 0.09% | 0.09% | 0.09% |
 MGYMagnolia Oil & Gas Corporation CL A | 0.08% | 0.23% | 0.08% |
 CRKComstock Resources, Inc. COM | 0.07% | 0.07% | 0.07% |
 SDRLSeadrill Ltd. COM USD0.01 | 0.07% | 0.15% | 0.07% |
 CVICVR Energy Inc. COM | 0.07% | 0.10% | 0.07% |
 PARRPar Pacific Holdings, Inc. COM NEW | 0.06% | 0.19% | 0.06% |
 AESIAtlas Energy Solutions Inc. COM NEW | 0.05% | 0.08% | 0.05% |
 REXRex American Resources Corp COM | 0.02% | 0.11% | 0.02% |
 HLXHelix Energy Solutions Group, Inc. COM | 0.02% | 0.09% | 0.02% |
 CLMTCalumet Inc COM | 0.02% | 0.14% | 0.02% |
 WKCWorld Kinect Corporation COM | 0.01% | 0.10% | 0.01% |
 REPXRiley Exploration Permian Inc. COM | 0.01% | 0.06% | 0.01% |
Frequently Asked Questions
How much do IWO and VDE overlap?
IWO and VDE overlap by 3.0% of portfolio weight. They share 28 holdings (IWO holds 1101 positions and VDE holds 105), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and VDE?
The two portfolios are 3.0% 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 VDE?
The largest positions held by both funds are KGS, UEC, AROC, WHD and OII. Together the top 10 shared positions account for 69% of the total overlap.
What does IWO own that VDE doesn't?
1073 positions (96.3% of IWO) are unique to IWO, led by BE, FN and CRDO. In the other direction, 77 positions (95.3% of VDE) are unique to VDE.