IWS vs SCHM: Holdings Overlap
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
Schwab · 496 holdings · $15.1B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWS: 2026-03-31, SCHM: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are IWS and SCHM?
iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712 positions; Schwab U.S. Mid-Cap ETF (SCHM, by Schwab) holds 496. They have 379 holdings in common, and by portfolio weight the two funds are 35.8% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 35.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 379IWS holds 712 · SCHM holds 496
- Weight in Shared Holdings
- IWS 36%·SCHM 81%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
333 of 712 positions (63.9% of the fund) are not held by SCHM. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWS | SCHM |
|---|---|---|
| Industrials | 17.1% | 22.5% |
| Information Technology | 12.3% | 20.2% |
| Financials | 15.1% | 11.7% |
| Health Care | 7.6% | 10.8% |
| Consumer Discretionary | 7.8% | 9.5% |
| Other Sectors | 39.6% | 25.0% |
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% |
| SCHM | +1.6% | +20.7% | +28.9% | +15.8% | +8.2% | +11.2% | 1.22% |
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 SCHM →
Shared Holdings(379)
The top 10 shared positions account for 11% of the overlap, led by SNDK, CIEN and LITE.
 SNDKSandisk Corporation COM | 0.92% | 4.64% | 0.92% |
|---|---|---|---|
 CIENCiena Corporation COM NEW | 0.56% | 1.52% | 0.56% |
 LITELumentum Holdings Inc. COM | 0.47% | 1.13% | 0.47% |
 COHRCoherent Corp COM | 0.42% | 1.26% | 0.42% |
 FTITechnipFMC PLC USD1 | 0.28% | 0.51% | 0.28% |
 UTHRUnited Therapeutics Corporation COM | 0.26% | 0.44% | 0.26% |
 CWCurtiss-Wright Corp. COM | 0.26% | 0.51% | 0.26% |
 FLEXFlex Ltd. COM USD0.01 | 0.24% | 1.03% | 0.24% |
 OMCOmnicom Group Inc COM | 0.24% | 0.42% | 0.24% |
 CASYCasey'S General Stores Inc. COM | 0.23% | 0.53% | 0.23% |
 STLDSteel Dynamics, Inc. COM | 0.23% | 0.66% | 0.23% |
 NINiSource Inc. COM | 0.23% | 0.41% | 0.23% |
 WWDWoodward Inc. COM | 0.22% | 0.39% | 0.22% |
 RGLDRoyal Gold, Inc. COM | 0.22% | 0.34% | 0.22% |
 ALBAlbemarle Corp COM | 0.21% | 0.39% | 0.21% |
 USFDUS Foods Holding Corp COM | 0.21% | 0.33% | 0.21% |
 CFCF Industries Holdings, Inc. COM | 0.21% | 0.32% | 0.21% |
 ATIATI Inc COM | 0.20% | 0.44% | 0.20% |
 CHRWC.H. Robinson Worldwide Inc COM NEW | 0.20% | 0.39% | 0.20% |
 EVRGEvergy Inc COM | 0.19% | 0.35% | 0.19% |
 NVTNVent Electric PLC COM USD0.01 | 0.19% | 0.50% | 0.19% |
 PKGPackaging Corporation of America COM | 0.19% | 0.36% | 0.19% |
 SNASnap-On Incorporated COM | 0.19% | 0.36% | 0.19% |
 LNTAlliant Energy Corporation COM | 0.19% | 0.34% | 0.19% |
 KEYKeyCorp COM | 0.19% | 0.37% | 0.19% |
Showing the top 250 of 379 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWS and SCHM overlap?
IWS and SCHM overlap by 35.8% of portfolio weight. They share 379 holdings (IWS holds 712 positions and SCHM holds 496), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWS and SCHM?
The two portfolios are 35.8% 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 SCHM?
The largest positions held by both funds are SNDK, CIEN, LITE, COHR and FTI. Together the top 10 shared positions account for 11% of the total overlap.
What does IWS own that SCHM doesn't?
333 positions (63.9% of IWS) are unique to IWS, led by GLW, WDC and BNY. In the other direction, 117 positions (18.8% of SCHM) are unique to SCHM.