IWO vs SCHM: Holdings Overlap
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
Schwab · 496 holdings · $15.1B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWO: 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 IWO and SCHM?
iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101 positions; Schwab U.S. Mid-Cap ETF (SCHM, by Schwab) holds 496. They have 52 holdings in common, and by portfolio weight the two funds are 8.9% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 8.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 52IWO holds 1101 · SCHM holds 496
- Weight in Shared Holdings
- IWO 22%·SCHM 10%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 IWO
1049 of 1101 positions (77.9% of the fund) are not held by SCHM. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWO | SCHM |
|---|---|---|
| Industrials | 23.7% | 22.5% |
| Health Care | 23.1% | 10.8% |
| Information Technology | 19.0% | 20.2% |
| Financials | 8.6% | 11.7% |
| Consumer Discretionary | 7.3% | 9.5% |
| Other Sectors | 14.1% | 25.0% |
| Unclassified | 4.0% | 0.2% |
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 (4% of IWO, 0% of SCHM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
| 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 IWO vs SCHM →
Shared Holdings(52)
The top 10 shared positions account for 53% of the overlap, led by BE, STRL and IONQ.
 BEBloom Energy Corp., Class A | 1.99% | 1.36% | 1.36% |
|---|---|---|---|
 STRLSterling Infrastructure, Inc. | 0.81% | 0.49% | 0.49% |
 IONQIonQ, Inc. | 0.67% | 0.47% | 0.47% |
 FNFabrinet | 1.26% | 0.43% | 0.43% |
 NXTNextpower, Inc., Class A | 0.94% | 0.43% | 0.43% |
 CDECoeur Mining, Inc. | 0.64% | 0.37% | 0.37% |
 GHGuardant Health, Inc. | 0.77% | 0.31% | 0.31% |
 RMBSRambus, Inc. | 0.62% | 0.29% | 0.29% |
 DYDycom Industries, Inc. | 0.66% | 0.28% | 0.28% |
 MODModine Manufacturing Co. | 0.76% | 0.27% | 0.27% |
 KTOSKratos Defense & Security Solutions, Inc. | 0.86% | 0.22% | 0.22% |
 BBIOBridgebio Pharma, Inc. | 0.79% | 0.21% | 0.21% |
 SPXCSPX Technologies, Inc. | 0.65% | 0.20% | 0.20% |
 ENSGEnsign Group, Inc. (The) | 0.76% | 0.18% | 0.18% |
| Chart Industries, Inc. | 0.63% | 0.17% | 0.17% |
 MDGLMadrigal Pharmaceuticals, Inc. | 0.60% | 0.17% | 0.17% |
 WTSWatts Water Technologies, Inc., Class A | 0.53% | 0.16% | 0.16% |
 HQYHealthEquity, Inc. | 0.47% | 0.14% | 0.14% |
 JOBYJoby Aviation, Inc., Class A | 0.32% | 0.13% | 0.13% |
 JBTMJBT Marel Corp. | 0.22% | 0.13% | 0.13% |
 ZWSZurn Elkay Water Solutions Corp. | 0.45% | 0.13% | 0.13% |
 ALKSAlkermes plc | 0.29% | 0.13% | 0.13% |
 AVAVAeroVironment, Inc. | 0.46% | 0.12% | 0.12% |
 FSSFederal Signal Corp. | 0.44% | 0.12% | 0.12% |
 IDCCInterDigital, Inc. | 0.52% | 0.12% | 0.12% |
Frequently Asked Questions
How much do IWO and SCHM overlap?
IWO and SCHM overlap by 8.9% of portfolio weight. They share 52 holdings (IWO holds 1101 positions and SCHM holds 496), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWO and SCHM?
The two portfolios are 8.9% 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 IWO and SCHM?
The largest positions held by both funds are BE, STRL, IONQ, FN and NXT. Together the top 10 shared positions account for 53% of the total overlap.
What does IWO own that SCHM doesn't?
1049 positions (77.9% of IWO) are unique to IWO, led by CRDO, AEIS and ARWR. In the other direction, 444 positions (90.3% of SCHM) are unique to SCHM.