IWS vs VXF: Holdings Overlap
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
VXFVanguard Extended Market Index Fund
Vanguard · 3359 holdings · $32.2B · as of 2026-03-31
How similar are IWS and VXF?
iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712 positions; Vanguard Extended Market Index Fund (VXF, by Vanguard) holds 3359. They have 416 holdings in common, and by portfolio weight the two funds are 29.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 29.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 416IWS holds 712 · VXF holds 3359
- Weight in Shared Holdings
- IWS 30%·VXF 45%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
296 of 712 positions (70.1% of the fund) are not held by VXF. Showing the top 30 by weight.
Only in VXF
2943 of 3359 positions (54.5% of the fund) are not held by IWS. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWS | VXF |
|---|---|---|
| Industrials | 17.1% | 19.5% |
| Information Technology | 12.3% | 16.3% |
| Financials | 15.1% | 15.0% |
| Health Care | 7.6% | 13.3% |
| Consumer Discretionary | 7.8% | 9.8% |
| Other Sectors | 39.6% | 23.6% |
| Unclassified | 0.1% | 2.4% |
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, 2% of VXF).
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% |
| VXF | +2.4% | +18.9% | +26.9% | +18.6% | +6.9% | +12.0% | 0.99% |
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 VXF →
Shared Holdings(416)
The top 10 shared positions account for 9% of the overlap, led by FERG, LNG and FTI.
 FERGFerguson Enterprises Inc COMMON STOCK NEW | 0.43% | 0.62% | 0.43% |
|---|---|---|---|
 LNGCheniere Energy Inc COM NEW | 0.34% | 0.84% | 0.34% |
 FTITechnipFMC PLC USD1 | 0.28% | 0.38% | 0.28% |
 UTHRUnited Therapeutics Corporation COM | 0.26% | 0.35% | 0.26% |
 CWCurtiss-Wright Corporation | 0.26% | 0.34% | 0.26% |
 FLEXFlex Ltd. COM USD0.01 | 0.24% | 0.33% | 0.24% |
 CASYCasey'S General Stores Inc. COM | 0.23% | 0.37% | 0.23% |
 WWDWoodward Inc. COM | 0.22% | 0.29% | 0.22% |
 ZMZoom Communications, Inc., Class A | 0.22% | 0.29% | 0.22% |
 RGLDRoyal Gold, Inc. COM | 0.22% | 0.28% | 0.22% |
 USFDUS Foods Holding Corp COM | 0.21% | 0.28% | 0.21% |
 ATIATI Inc COM | 0.20% | 0.27% | 0.20% |
 MKLMarkel Group Inc COM | 0.19% | 0.33% | 0.19% |
 ILMNIllumina Inc COM | 0.19% | 0.26% | 0.19% |
 NVTNVent Electric PLC COM USD0.01 | 0.19% | 0.26% | 0.19% |
 RPRXRoyalty Pharma PLC COM USD0.0001 CLASS A | 0.19% | 0.25% | 0.19% |
 XPOXPO Inc COM | 0.18% | 0.31% | 0.18% |
 MDBMongoDB, Inc., Class A | 0.18% | 0.27% | 0.18% |
 AAAlcoa Corporation COM | 0.17% | 0.24% | 0.17% |
 OVVOvintiv Inc COM | 0.17% | 0.23% | 0.17% |
 RBARB Global Inc COM | 0.17% | 0.24% | 0.17% |
 SOFISofi Technologies Inc COM | 0.17% | 0.28% | 0.17% |
 RVMDRevolution Medicines Inc COM | 0.17% | 0.24% | 0.17% |
 FCNCAFirst Citizens BancShares Inc (Delaware) CL A | 0.17% | 0.25% | 0.17% |
 THCTenet Healthcare Corporation COM NEW | 0.17% | 0.23% | 0.17% |
Showing the top 250 of 416 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWS and VXF overlap?
IWS and VXF overlap by 29.6% of portfolio weight. They share 416 holdings (IWS holds 712 positions and VXF holds 3359), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWS and VXF?
The two portfolios are 29.6% 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 VXF?
The largest positions held by both funds are FERG, LNG, FTI, UTHR and CW. Together the top 10 shared positions account for 9% of the total overlap.
What does IWS own that VXF doesn't?
296 positions (70.1% of IWS) are unique to IWS, led by GLW, WDC and SNDK. In the other direction, 2943 positions (54.5% of VXF) are unique to VXF.