VOT vs IWS: Holdings Overlap
VOTVanguard Mid-cap Growth Index Fund
Vanguard · 130 holdings · $19.9B · as of 2026-03-31
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
How similar are VOT and IWS?
Vanguard Mid-cap Growth Index Fund (VOT, by Vanguard) holds 130 positions; iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712. They have 69 holdings in common, and by portfolio weight the two funds are 17.9% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 17.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 69VOT holds 130 · IWS holds 712
- Weight in Shared Holdings
- VOT 49%·IWS 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 VOT
61 of 130 positions (51.2% of the fund) are not held by IWS. Showing the top 30 by weight.
Sector Breakdown
| Sector | VOT | IWS |
|---|---|---|
| Industrials | 25.1% | 17.1% |
| Information Technology | 22.5% | 12.3% |
| Consumer Discretionary | 15.2% | 7.8% |
| Financials | 8.5% | 15.1% |
| Health Care | 10.5% | 7.6% |
| Other Sectors | 18.1% | 39.6% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VOT | +1.9% | +10.1% | +7.1% | +14.7% | +5.4% | +11.9% | 0.59% |
| IWS | +3.3% | +22.1% | +29.8% | +16.6% | +9.8% | +10.4% | 1.27% |
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 VOT vs IWS →
Shared Holdings(69)
The top 10 shared positions account for 32% of the overlap, led by WDC, GLW and O.
 WDCWestern Digital Corp. COM | 1.19% | 0.94% | 0.94% |
|---|---|---|---|
 GLWCorning Incorporated COM | 0.68% | 1.08% | 0.68% |
 ORealty Income Corporation COM | 1.48% | 0.57% | 0.57% |
 ROSTRoss Stores Inc COM | 1.82% | 0.56% | 0.56% |
 CIENCiena Corporation COM NEW | 0.71% | 0.56% | 0.56% |
 EAElectronic Arts Inc. COM | 0.66% | 0.52% | 0.52% |
 AMEAmetek, Inc. COM | 1.28% | 0.50% | 0.50% |
 TERTeradyne Inc. COM | 1.21% | 0.47% | 0.47% |
 LITELumentum Holdings Inc. COM | 0.65% | 0.47% | 0.47% |
 HOODRobinhood Markets, Inc., Class A | 1.42% | 0.46% | 0.46% |
 COHRCoherent Corp COM | 0.58% | 0.42% | 0.42% |
 EQTEQT Corporation COM | 0.52% | 0.39% | 0.39% |
 VTRVentas Inc. COM | 1.01% | 0.39% | 0.39% |
 GRMNGarmin Ltd COM CHF10.00 | 0.99% | 0.38% | 0.38% |
 ROKRockwell Automation, Inc. COM | 0.52% | 0.38% | 0.38% |
 VMCVulcan Materials Company COM | 0.92% | 0.37% | 0.37% |
 MLMMartin Marietta Materials Inc COM | 0.92% | 0.36% | 0.36% |
 COINCoinbase Global, Inc., Class A | 0.96% | 0.36% | 0.36% |
 MCHPMicrochip Technology Incorporated COM | 0.91% | 0.35% | 0.35% |
 ODFLOld Dominion Freight Line Inc. COM | 0.95% | 0.34% | 0.34% |
 AAgilent Technologies Inc. COM | 0.84% | 0.33% | 0.33% |
 IRIngersoll Rand Inc COM | 0.41% | 0.32% | 0.32% |
 IRMIron Mountain Inc. COM | 0.75% | 0.30% | 0.30% |
 XYLXylem, Inc. COM | 0.76% | 0.30% | 0.30% |
 YUMYum! Brands Inc. COM | 1.12% | 0.29% | 0.29% |
Frequently Asked Questions
How much do VOT and IWS overlap?
VOT and IWS overlap by 17.9% of portfolio weight. They share 69 holdings (VOT holds 130 positions and IWS holds 712), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VOT and IWS?
The two portfolios are 17.9% 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 VOT and IWS?
The largest positions held by both funds are WDC, GLW, O, ROST and CIEN. Together the top 10 shared positions account for 32% of the total overlap.
What does VOT own that IWS doesn't?
61 positions (51.2% of VOT) are unique to VOT, led by VRT, HWM and CEG. In the other direction, 643 positions (81.3% of IWS) are unique to IWS.