IWS vs VBR: Holdings Overlap
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
VBRVanguard Small-cap Value Index Fund
Vanguard · 838 holdings · $38.3B · as of 2026-03-31
How similar are IWS and VBR?
iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712 positions; Vanguard Small-cap Value Index Fund (VBR, by Vanguard) holds 838. They have 370 holdings in common, and by portfolio weight the two funds are 31.1% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 31.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 370IWS holds 712 · VBR holds 838
- Weight in Shared Holdings
- IWS 31%·VBR 71%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
342 of 712 positions (68.5% of the fund) are not held by VBR. Showing the top 30 by weight.
Only in VBR
468 of 838 positions (29.1% of the fund) are not held by IWS. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWS | VBR |
|---|---|---|
| Industrials | 17.1% | 18.8% |
| Financials | 15.1% | 18.7% |
| Information Technology | 12.3% | 8.2% |
| Consumer Discretionary | 7.8% | 10.9% |
| Real Estate | 8.2% | 9.1% |
| Other Sectors | 39.1% | 33.5% |
| Unclassified | 0.1% | 0.5% |
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 (0% of IWS, 1% of VBR).
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% |
| VBR | +3.1% | +19.2% | +28.7% | +15.4% | +10.0% | +10.8% | 1.73% |
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 VBR →
Shared Holdings(370)
The top 10 shared positions account for 8% of the overlap, led by ATO, DOW and UTHR.
 ATOAtmos Energy Corp. COM | 0.30% | 0.74% | 0.30% |
|---|---|---|---|
 DOWDow Inc COM | 0.30% | 0.36% | 0.30% |
 UTHRUnited Therapeutics Corporation COM | 0.26% | 0.63% | 0.26% |
 EXEExpand Energy Corp. COM | 0.25% | 0.32% | 0.25% |
 QQnity Electronics Inc. COMMON STOCK | 0.25% | 0.29% | 0.25% |
 FLEXFlex Ltd. COM USD0.01 | 0.24% | 0.58% | 0.24% |
 OMCOmnicom Group Inc COM | 0.24% | 0.57% | 0.24% |
 STLDSteel Dynamics, Inc. COM | 0.23% | 0.30% | 0.23% |
 NINiSource Inc. COM | 0.23% | 0.27% | 0.23% |
 EMEEmcor Group Inc COM | 0.22% | 0.40% | 0.22% |
 ALBAlbemarle Corp COM | 0.21% | 0.26% | 0.21% |
 SWSmurfit WestRock plc COM USD0.001 | 0.21% | 0.50% | 0.21% |
 USFDUS Foods Holding Corp COM | 0.21% | 0.49% | 0.21% |
 LYBLyondellBasell Industries NV COM EUR0.04 CLASS 'A' | 0.21% | 0.25% | 0.21% |
 CFCF Industries Holdings, Inc. COM | 0.21% | 0.48% | 0.21% |
 LDOSLeidos Holdings Inc COM | 0.20% | 0.24% | 0.20% |
 CHRWC.H. Robinson Worldwide Inc COM NEW | 0.20% | 0.48% | 0.20% |
 DDDupont De Nemours Inc COM | 0.19% | 0.45% | 0.19% |
 ILMNIllumina Inc COM | 0.19% | 0.43% | 0.19% |
 EVRGEvergy Inc COM | 0.19% | 0.22% | 0.19% |
 MRNAModerna Inc COM | 0.18% | 0.44% | 0.18% |
 WSMWilliams-Sonoma Inc. COM | 0.18% | 0.53% | 0.18% |
 WYWeyerhaeuser Company COM NEW | 0.18% | 0.21% | 0.18% |
 XPOXPO Inc COM | 0.18% | 0.26% | 0.18% |
 AAAlcoa Corporation COM | 0.17% | 0.42% | 0.17% |
Showing the top 250 of 370 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWS and VBR overlap?
IWS and VBR overlap by 31.1% of portfolio weight. They share 370 holdings (IWS holds 712 positions and VBR holds 838), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWS and VBR?
The two portfolios are 31.1% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IWS and VBR?
The largest positions held by both funds are ATO, DOW, UTHR, EXE and Q. Together the top 10 shared positions account for 8% of the total overlap.
What does IWS own that VBR doesn't?
342 positions (68.5% of IWS) are unique to IWS, led by GLW, WDC and SNDK. In the other direction, 468 positions (29.1% of VBR) are unique to VBR.