OEF vs XLG overlap - what they share and where they differ
OEF and XLG share 75.8% of their weight across 47 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 XLG
75.8%
47 shared positions
OEF
iShares S&P 100 ETF
Reported positions cover 100% of the fund, 100 positions · Jun 30, 2026
Top 10: 52.8%·Holdings of OEF
XLG
Invesco S&P 500 Top 50 ETF
Reported positions cover 100% of the fund, 50 positions · Apr 30, 2026
Top 10: 65.6%·Holdings of XLG
Reported positions cover OEF 100%, XLG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XLG vs OEF side by side
OEFiShares S&P 100 ETF
100
stock positions reported to the SEC
23.6% of its weight is in 53 names XLG does not hold
XLGInvesco S&P 500 Top 50 ETF
50
stock positions reported to the SEC
4.8% of its weight is in 3 names OEF does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Financial Services: OEF has 3.3 points more of it.
The figures side by side
| OEF | XLG | |
|---|---|---|
| Filing date | Jun 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 100 | 50 |
| Weight of the ten largest | 52.8% | 65.6% |
| Largest position | NVDA 10.5% | NVDA 13.0% |
| Held alone | 53 positions, 23.6% | 3 positions, 4.8% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In OEF | In XLG | Counted |
|---|---|---|---|
| NVDANVIDIA CORP | 10.47% | 13.04% | 10.47% |
| AAPLAPPLE INC | 9.18% | 10.71% | 9.18% |
| GOOGLALPHABET INC | 8.14% | 10.83% | 8.14% |
| MSFTMICROSOFT CORP | 5.99% | 8.14% | 5.99% |
| AMZNAMAZON.COM INC | 5.04% | 6.96% | 5.04% |
| AVGOBROADCOM INC | 3.86% | 4.83% | 3.86% |
| METAMETA PLATFORMS INC | 2.67% | 3.60% | 2.67% |
| TSLATESLA INC | 2.56% | 2.89% | 2.56% |
| LLYELI LILLY & COMPANY | 2.05% | 1.99% | 1.99% |
| BRK.ABERKSHIRE HATHAWAY INC | 1.98% | 2.34% | 1.98% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in OEF
Only in XLG
Questions people ask
Is OEF the same as XLG?
75.8% of their weight sits in the same 47 holdings. OEF also reports MU, JPM, INTC, which the other does not. XLG also reports JPMORGAN CHASE & CO., EXXON MOBIL CORP., GENERAL ELECTRIC CO., which the other does not.
How is the overlap between OEF and XLG 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 XLG, so the number cannot exceed the smaller coverage.
Which holds more, XLG or OEF?
OEF reports 100 stock positions and XLG reports 50. 23.6% of OEF's weight sits in names XLG does not hold, and 4.8% of XLG's weight in names OEF does not hold. The ten largest positions are 52.8% of OEF and 65.6% of XLG.
How do OEF and XLG differ by sector?
The widest gap is Financial Services: OEF has 3.3 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.
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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.