OEF vs SCHX: Holdings Overlap
iShares · 101 holdings · $20.4B · as of 2026-03-31
Schwab · 748 holdings · $74.3B · as of 2026-05-31
Holdings snapshots are 61 days apart (OEF: 2026-03-31, SCHX: 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 OEF and SCHX?
iShares S&P 100 ETF (OEF, by iShares) holds 101 positions; Schwab U.S. Large-Cap ETF (SCHX, by Schwab) holds 748. They have 101 holdings in common, and by portfolio weight the two funds are 68.4% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 68.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 101OEF holds 101 · SCHX holds 748
- Weight in Shared Holdings
- OEF 100%·SCHX 70%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 OEF
Every position in OEF is also held by SCHX, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | OEF | SCHX |
|---|---|---|
| Information Technology | 38.9% | 37.4% |
| Communication Services | 13.5% | 10.3% |
| Financials | 11.2% | 11.4% |
| Consumer Discretionary | 10.2% | 9.7% |
| Health Care | 9.3% | 8.4% |
| Other Sectors | 16.7% | 22.7% |
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 |
|---|---|---|---|---|---|---|---|
| OEF | +4.0% | +12.2% | +23.1% | +23.3% | +14.9% | +16.5% | 0.84% |
| SCHX | +3.5% | +14.0% | +23.2% | +21.2% | +12.8% | +15.3% | 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 OEF vs SCHX →
Shared Holdings(101)
The top 10 shared positions account for 54% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 10.50% | 7.50% | 7.50% |
|---|---|---|---|
 AAPLApple Inc. COM | 9.23% | 6.69% | 6.69% |
 MSFTMicrosoft Corp. COM | 6.81% | 4.88% | 4.88% |
 AMZNAmazon.com, Inc. COM | 5.04% | 3.86% | 3.86% |
 GOOGLAlphabet Inc. CAP STK CL A | 4.15% | 3.23% | 3.23% |
 AVGOBroadcom Inc COM | 3.63% | 3.10% | 3.10% |
 GOOGAlphabet Inc. CAP STK CL C | 3.32% | 2.57% | 2.57% |
 METAMeta Platforms Inc CL A | 3.10% | 2.02% | 2.02% |
 TSLATesla Inc COM | 2.59% | 1.79% | 1.79% |
 LLYEli Lilly & Co. COM | 1.81% | 1.28% | 1.28% |
 BRK-BBerkshire Hathaway Inc. CL B NEW | 2.18% | 1.27% | 1.27% |
 JPMJPMorgan Chase & Co. COM | 1.96% | 1.18% | 1.18% |
 MUMicron Technology Inc. COM | 0.94% | 1.60% | 0.94% |
 XOMExxon Mobil Corp. COM | 1.76% | 0.89% | 0.89% |
 AMDAdvanced Micro Devices Inc. COM | 0.82% | 1.23% | 0.82% |
 VVisa Inc COM CL A | 1.26% | 0.80% | 0.80% |
 JNJJohnson & Johnson COM | 1.46% | 0.79% | 0.79% |
 WMTWalmart Inc COM | 1.35% | 0.74% | 0.74% |
 CSCOCisco Systems, Inc. COM | 0.76% | 0.70% | 0.70% |
 COSTCostco Wholesale Corporation COM | 1.10% | 0.62% | 0.62% |
 CATCaterpillar Inc COM | 0.82% | 0.60% | 0.60% |
 MAMasterCard Incorporated CL A | 1.01% | 0.59% | 0.59% |
 LRCXLam Research Corporation COM NEW | 0.66% | 0.58% | 0.58% |
 ABBVAbbVie Inc. COM | 0.95% | 0.56% | 0.56% |
 ORCLOracle Corp. COM | 0.62% | 0.56% | 0.56% |
Frequently Asked Questions
How much do OEF and SCHX overlap?
OEF and SCHX overlap by 68.4% of portfolio weight. They share 101 holdings (OEF holds 101 positions and SCHX holds 748), based on each fund's latest SEC-reported holdings.
Is it redundant to own both OEF and SCHX?
The two portfolios are 68.4% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of OEF and SCHX?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 54% of the total overlap.
What does OEF own that SCHX doesn't?
Nothing. Every position in OEF is also held by SCHX. In the other direction, 647 positions (30.1% of SCHX) are unique to SCHX.