OEF vs XLG overlap - what they share and where they differ

OEF and XLG share 84.2% of their weight across 48 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

84.2%

48 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

XLG

Invesco S&P 500 Top 50 ETF

Reported positions cover 100% of the fund, 50 positions · Jul 31, 2026

Top 10: 62.4%·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

101

stock positions reported to the SEC

13.6% 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

1.0% of its weight is in 2 names OEF does not hold

Where each fund's weight sits

OEF
XLG
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Technology
54.0%
61.0%
Financial Services
10.8%
10.4%
Consumer Cyclical
9.9%
10.1%
Healthcare
9.0%
6.6%
Industrials
5.4%
0.0%
Consumer Defensive
0.0%
5.1%

The widest gap is Technology: XLG has 7.0 points more of it.

The figures side by side

OEFXLG
Filing dateJun 30, 2026Jul 31, 2026
Stock positions reported10150
Weight of the ten largest52.8%62.4%
Largest positionNVDA 10.5%NVDA 12.1%
Held alone53 positions, 13.6%2 positions, 1.0%
Covered by stock positions100%100%

Holdings they share

StockIn OEFIn XLGCounted
NVDANVIDIA CORP10.47%12.06%10.47%
AAPLAPPLE INC9.18%11.26%9.18%
GOOGLALPHABET INC8.14%9.36%8.14%
MSFTMICROSOFT CORP5.99%8.56%5.99%
AMZNAMAZON.COM INC5.04%6.60%5.04%
AVGOBROADCOM INC3.86%4.57%3.86%
METAMETA PLATFORMS INC2.67%3.03%2.67%
MUMICRON TECHNOLOGY INC2.81%2.30%2.30%
TSLATESLA INC2.56%2.17%2.17%
LLYELI LILLY & COMPANY2.05%2.25%2.05%

What each holds alone

The heaviest positions one fund reports and the other does not.

Only in OEF

RTXRTX CORP0.55%
CCITIGROUP INC0.52%
AMGNAMGEN INC0.42%
NEENEXTERA ENERGY INC0.40%
TMOTHERMO FISHER SCIENTIFIC INC0.40%
AXPAMERICAN EXPRESS COMPANY0.39%
BABOEING COMPANY (THE)0.37%
DISWALT DISNEY COMPANY (THE)0.36%
UNPUNION PACIFIC CORP0.35%
ABTABBOTT LABORATORIES0.34%

Only in XLG

KLACKLA Corp.0.59%
SNDKSandisk Corp.0.45%

Questions people ask

Is OEF the same as XLG?

84.2% of their weight sits in the same 48 holdings. OEF also reports RTX, C, AMGN, which the other does not. XLG also reports KLAC, SNDK, 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 101 stock positions and XLG reports 50. 13.6% of OEF's weight sits in names XLG does not hold, and 1.0% of XLG's weight in names OEF does not hold. The ten largest positions are 52.8% of OEF and 62.4% of XLG.

How do OEF and XLG differ by sector?

The widest gap is Technology: XLG has 7.0 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.