IWS vs VTI: Holdings Overlap
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
How similar are IWS and VTI?
iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 688 holdings in common, and by portfolio weight the two funds are 16.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 16.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 688IWS holds 712 · VTI holds 3505
- Weight in Shared Holdings
- IWS 98%·VTI 17%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 IWS
24 of 712 positions (1.6% of the fund) are not held by VTI.
Sector Breakdown
| Sector | IWS | VTI |
|---|---|---|
| Information Technology | 12.3% | 30.5% |
| Industrials | 17.1% | 10.4% |
| Financials | 15.1% | 12.7% |
| Health Care | 7.6% | 10.0% |
| Consumer Discretionary | 7.8% | 9.8% |
| Other Sectors | 39.6% | 26.0% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWS | +3.3% | +22.1% | +29.8% | +16.6% | +9.8% | +10.4% | 1.27% |
| VTI | +3.3% | +14.6% | +24.2% | +20.9% | +12.3% | +14.9% | 1.02% |
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 IWS vs VTI →
Shared Holdings(688)
The top 10 shared positions account for 8% of the overlap, led by GLW, SNDK and WDC.
 GLWCorning Incorporated COM | 1.08% | 0.17% | 0.17% |
|---|---|---|---|
 SNDKSandisk Corporation COM | 0.92% | 0.15% | 0.15% |
 WDCWestern Digital Corp. COM | 0.94% | 0.15% | 0.15% |
 PWRQuanta Services, Inc. COM | 0.19% | 0.13% | 0.13% |
 BNYThe Bank of New York Mellon Corp. COM | 0.77% | 0.13% | 0.13% |
 CMICummins Inc. COM | 0.75% | 0.12% | 0.12% |
 VLOValero Energy Corp. COM | 0.76% | 0.12% | 0.12% |
 PSXPhillips 66 COM | 0.69% | 0.12% | 0.12% |
 MPCMarathon Petroleum Corp. COM | 0.75% | 0.11% | 0.11% |
 ROSTRoss Stores Inc COM | 0.56% | 0.11% | 0.11% |
 WBDWarner Bros. Discovery Inc. COM SER A | 0.65% | 0.10% | 0.10% |
 LHXL3 Harris Technologies Inc COM | 0.66% | 0.10% | 0.10% |
 KMIKinder Morgan, Inc. COM | 0.66% | 0.10% | 0.10% |
 DLRDigital Realty Trust Inc. COM | 0.63% | 0.10% | 0.10% |
 BKRBaker Hughes Company CL A | 0.62% | 0.10% | 0.10% |
 SPGSimon Property Group Inc COM | 0.48% | 0.09% | 0.09% |
 CTVACorteva Inc COM | 0.58% | 0.09% | 0.09% |
 ORealty Income Corporation COM | 0.57% | 0.09% | 0.09% |
 OKEOneok Inc. COM | 0.57% | 0.09% | 0.09% |
 LNGCheniere Energy Inc COM NEW | 0.34% | 0.09% | 0.09% |
 CIENCiena Corporation COM NEW | 0.56% | 0.09% | 0.09% |
 HOODRobinhood Markets, Inc., Class A | 0.46% | 0.09% | 0.09% |
 ALLThe Allstate Corporation COM | 0.55% | 0.09% | 0.09% |
 FASTFastenal Co. COM | 0.10% | 0.08% | 0.08% |
 EAElectronic Arts Inc. COM | 0.52% | 0.08% | 0.08% |
Showing the top 250 of 688 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWS and VTI overlap?
IWS and VTI overlap by 16.8% of portfolio weight. They share 688 holdings (IWS holds 712 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWS and VTI?
The two portfolios are 16.8% 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 IWS and VTI?
The largest positions held by both funds are GLW, SNDK, WDC, PWR and BNY. Together the top 10 shared positions account for 8% of the total overlap.
What does IWS own that VTI doesn't?
24 positions (1.6% of IWS) are unique to IWS, led by AU, RPRX and AMCR. In the other direction, 2817 positions (82.7% of VTI) are unique to VTI.