IWO vs VPU: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
VPUVanguard Utilities Index Fund
Vanguard · 66 holdings · $8.5B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWO: 2026-03-31, VPU: 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 VPU?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; Vanguard Utilities Index Fund (VPU, by Vanguard) holds 66. They have 10 holdings in common, and by portfolio weight the two funds are 0.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10IWO holds 1101 · VPU holds 66
- Weight in Shared Holdings
- IWO 0%·VPU 1%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
1091 of 1101 positions (99.4% of the fund) are not held by VPU. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | VPU |
|---|---|---|
| Utilities | 0.5% | 99.6% |
| Industrials | 23.7% | 0.0% |
| Health Care | 23.1% | 0.0% |
| Information Technology | 19.0% | 0.0% |
| Financials | 8.6% | 0.0% |
| Other Sectors | 20.9% | 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 VPU).
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% |
| VPU | -4.3% | +3.4% | +3.8% | +14.2% | +8.4% | +8.8% | 2.74% |
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 VPU →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by AWR, MGEE and OKLO.
 AWRAmerican States Water Co. COM | 0.13% | 0.20% | 0.13% |
|---|---|---|---|
 MGEEMGE Energy Inc. COM | 0.10% | 0.18% | 0.10% |
 OKLOOklo, Inc., Class A | 0.10% | 0.39% | 0.10% |
 CPKChesapeake Utilities Corporation COM | 0.07% | 0.19% | 0.07% |
 HNRGHallador Energy Co COM | 0.03% | 0.04% | 0.03% |
 OTTROtter Tail Corporation COM | 0.02% | 0.22% | 0.02% |
 CWCOConsolidated Water Co. Ltd. | 0.01% | 0.03% | 0.01% |
 MSEXMiddlesex Water Co. COM | 0.01% | 0.06% | 0.01% |
 YORWThe York Water Co. COM | 0.01% | 0.03% | 0.01% |
| Genie Energy Ltd., Class B | 0.00% | 0.01% | 0.00% |
Frequently Asked Questions
How much do IWO and VPU overlap?
IWO and VPU overlap by 0.5% of portfolio weight. They share 10 holdings (IWO holds 1101 positions and VPU holds 66), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and VPU?
The two portfolios are 0.5% 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 VPU?
The largest positions held by both funds are AWR, MGEE, OKLO, CPK and HNRG. Together the top 10 shared positions account for 100% of the total overlap.
What does IWO own that VPU doesn't?
1091 positions (99.4% of IWO) are unique to IWO, led by BE, FN and CRDO. In the other direction, 56 positions (98.2% of VPU) are unique to VPU.