IWM vs VBR: Holdings Overlap
iShares · 1941 holdings · $82.2B · as of 2026-03-31
VBRVanguard Small-cap Value Index Fund
Vanguard · 838 holdings · $38.3B · as of 2026-03-31
How similar are IWM and VBR?
iShares Russell 2000 ETF (IWM, by iShares) holds 1941 positions; Vanguard Small-cap Value Index Fund (VBR, by Vanguard) holds 838. They have 430 holdings in common, and by portfolio weight the two funds are 25.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 25.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 430IWM holds 1941 · VBR holds 838
- Weight in Shared Holdings
- IWM 39%·VBR 26%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 IWM
1511 of 1941 positions (61.1% of the fund) are not held by VBR. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWM | VBR |
|---|---|---|
| Industrials | 17.9% | 18.8% |
| Financials | 15.3% | 18.7% |
| Health Care | 16.6% | 8.4% |
| Information Technology | 13.6% | 8.2% |
| Consumer Discretionary | 8.0% | 10.9% |
| Other Sectors | 22.7% | 34.3% |
| Unclassified | 5.5% | 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 (5% of IWM, 1% of VBR).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWM | +1.8% | +23.0% | +38.6% | +17.1% | +7.5% | +10.8% | 0.88% |
| 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 IWM vs VBR →
Shared Holdings(430)
The top 10 shared positions account for 7% of the overlap, led by MOG-A, WTS and ECHO.
 MOG-AMoog, Inc., Class A | 0.28% | 0.20% | 0.20% |
|---|---|---|---|
 WTSWatts Water Technologies, Inc., Class A | 0.27% | 0.19% | 0.19% |
 ECHOEchoStar Corp., Class A | 0.54% | 0.19% | 0.19% |
 ONBOld National Bancorp COM | 0.26% | 0.19% | 0.19% |
 UMBFUMB Financial Corporation | 0.28% | 0.19% | 0.19% |
 VIAVViavi Solutions Inc COM | 0.26% | 0.19% | 0.19% |
 JXNJackson Financial, Inc., Class A | 0.24% | 0.18% | 0.18% |
 SMSM Energy Co. COM | 0.26% | 0.18% | 0.18% |
 PRIMPrimoris Services Corp. COM | 0.26% | 0.18% | 0.18% |
 ZWSZurn Elkay Water Solutions Corporation COM | 0.23% | 0.17% | 0.17% |
 FCFSFirstcash Holdings Inc COM | 0.25% | 0.17% | 0.17% |
 FLRFluor Corporation COM | 0.26% | 0.17% | 0.17% |
 CMCCommercial Metals Company COM | 0.23% | 0.17% | 0.17% |
 SANMSanmina Corporation | 0.24% | 0.16% | 0.16% |
 TEXTerex Corporation COM | 0.23% | 0.16% | 0.16% |
 ENSEnerSys COM | 0.22% | 0.15% | 0.15% |
 TRNOTerreno Realty Corporation COM | 0.21% | 0.15% | 0.15% |
 TXNMTXNM Energy Inc. COM | 0.20% | 0.15% | 0.15% |
 PORPortland General Electric Company COM NEW | 0.20% | 0.15% | 0.15% |
 GATXGATX Corporation COM | 0.21% | 0.15% | 0.15% |
 SWXSouthwest Gas Holdings Inc COM | 0.20% | 0.14% | 0.14% |
 COGTCogent Biosciences Inc. COM | 0.19% | 0.14% | 0.14% |
 VSATViaSat, Inc. COM | 0.19% | 0.14% | 0.14% |
 CRCCalifornia Resources Corporation COM STOCK | 0.17% | 0.14% | 0.14% |
 UBSIUnited Bankshares Inc COM | 0.20% | 0.14% | 0.14% |
Showing the top 250 of 430 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWM and VBR overlap?
IWM and VBR overlap by 25.6% of portfolio weight. They share 430 holdings (IWM holds 1941 positions and VBR holds 838), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWM and VBR?
The two portfolios are 25.6% 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 IWM and VBR?
The largest positions held by both funds are MOG-A, WTS, ECHO, ONB and UMBF. Together the top 10 shared positions account for 7% of the total overlap.
What does IWM own that VBR doesn't?
1511 positions (61.1% of IWM) are unique to IWM, led by BE, CDE and FN. In the other direction, 408 positions (74.2% of VBR) are unique to VBR.