OEF vs SCHX overlap - what they share and where they differ
OEF and SCHX share 69.5% of their weight across 100 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
OEF and SCHX
69.5%
100 shared positions
OEF
iShares S&P 100 ETF
Reported positions cover 100% of the fund, 101 positions · Jun 30, 2026
Top 10: 52.8%·Holdings of OEF
SCHX
Schwab U.S. Large-Cap ETF
Reported positions cover 100% of the fund, 747 positions · May 31, 2026
Top 10: 38.5%·Holdings of SCHX
Reported positions cover OEF 100%, SCHX 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
SCHX vs OEF side by side
OEFiShares S&P 100 ETF
101
stock positions reported to the SEC
0.2% of its weight is in 1 names SCHX does not hold
SCHXSchwab U.S. Large-Cap ETF
747
stock positions reported to the SEC
30.1% of its weight is in 647 names OEF does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: OEF has 7.8 points more of it.
The figures side by side
| OEF | SCHX | |
|---|---|---|
| Filing date | Jun 30, 2026 | May 31, 2026 |
| Stock positions reported | 101 | 747 |
| Weight of the ten largest | 52.8% | 38.5% |
| Largest position | NVDA 10.5% | NVDA 7.5% |
| Held alone | 1 positions, 0.2% | 647 positions, 30.1% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In OEF | In SCHX | Counted |
|---|---|---|---|
| NVDANVIDIA CORP | 10.47% | 7.50% | 7.50% |
| AAPLAPPLE INC | 9.18% | 6.69% | 6.69% |
| GOOGLALPHABET INC | 8.14% | 5.81% | 5.81% |
| MSFTMICROSOFT CORP | 5.99% | 4.88% | 4.88% |
| AMZNAMAZON.COM INC | 5.04% | 3.86% | 3.86% |
| AVGOBROADCOM INC | 3.86% | 3.10% | 3.10% |
| METAMETA PLATFORMS INC | 2.67% | 2.02% | 2.02% |
| TSLATESLA INC | 2.56% | 1.79% | 1.79% |
| MUMICRON TECHNOLOGY INC | 2.81% | 1.60% | 1.60% |
| LLYELI LILLY & COMPANY | 2.05% | 1.28% | 1.28% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in OEF
Only in SCHX
Questions people ask
Is OEF the same as SCHX?
69.5% of their weight sits in the same 100 holdings. OEF also reports HONA, which the other does not. SCHX also reports KLAC, PANW, ADI, which the other does not.
How is the overlap between OEF and SCHX measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of OEF and 100% of SCHX, so the number cannot exceed the smaller coverage.
Which holds more, SCHX or OEF?
OEF reports 101 stock positions and SCHX reports 747. 0.2% of OEF's weight sits in names SCHX does not hold, and 30.1% of SCHX's weight in names OEF does not hold. The ten largest positions are 52.8% of OEF and 38.5% of SCHX.
How do OEF and SCHX differ by sector?
The widest gap is Technology: OEF has 7.8 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Other pairs with these funds
SCHX against other funds in the table
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.