FXL vs XSD overlap - what they share and where they differ
FXL and XSD share 21.5% of their weight across 23 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.
FXL and XSD
21.5%
23 shared positions
FXL
First Trust Technology AlphaDEX Fund
Reported positions cover 100% of the fund, 110 positions · Jul 31, 2026
Top 10: 18.1%·Holdings of FXL
XSD
State Street(R) SPDR(R) S&P(R) Semiconductor ETF
Reported positions cover 100% of the fund, 47 positions · Jun 30, 2026
Top 10: 29.0%·Holdings of XSD
Reported positions cover FXL 100%, XSD 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XSD vs FXL side by side
FXLFirst Trust Technology AlphaDEX Fund
110
stock positions reported to the SEC
78.5% of its weight is in 87 names XSD does not hold
XSDState Street(R) SPDR(R) S&P(R) Semiconductor ETF
47
stock positions reported to the SEC
47.2% of its weight is in 24 names FXL does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: XSD has 5.0 points more of it.
The figures side by side
| FXL | XSD | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 110 | 47 |
| Weight of the ten largest | 18.1% | 29.0% |
| Largest position | CTSH 2.4% | MXL 3.8% |
| Held alone | 87 positions, 78.5% | 24 positions, 47.2% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In FXL | In XSD | Counted |
|---|---|---|---|
| MPWRMONOLITHIC POWER SYSTEMS INC | 1.37% | 1.97% | 1.37% |
| AMDADVANCED MICRO DEVICES INC | 1.36% | 2.71% | 1.36% |
| CRDOCREDO TECHNOLOGY GROUP HOLDING LTD | 1.26% | 2.41% | 1.26% |
| ADIANALOG DEVICES INC | 1.22% | 2.12% | 1.22% |
| SITMSITIME CORP | 1.19% | 2.36% | 1.19% |
| MUMICRON TECHNOLOGY INC | 1.18% | 2.73% | 1.18% |
| LSCCLATTICE SEMICONDUCTOR CORP | 1.08% | 2.44% | 1.08% |
| ALABASTERA LABS INC | 1.07% | 3.08% | 1.07% |
| MRVLMARVELL TECHNOLOGY INC | 1.04% | 2.49% | 1.04% |
| SMTCSEMTECH CORP | 0.96% | 2.20% | 0.96% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in FXL
Only in XSD
Questions people ask
Is FXL the same as XSD?
21.5% of their weight sits in the same 23 holdings. FXL also reports CTSH, EPAM, PTC, which the other does not. XSD also reports MXL, AMBA, INTC, which the other does not.
How is the overlap between FXL and XSD 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 FXL and 100% of XSD, so the number cannot exceed the smaller coverage.
Which holds more, XSD or FXL?
FXL reports 110 stock positions and XSD reports 47. 78.5% of FXL's weight sits in names XSD does not hold, and 47.2% of XSD's weight in names FXL does not hold. The ten largest positions are 18.1% of FXL and 29.0% of XSD.
How do FXL and XSD differ by sector?
The widest gap is Technology: XSD has 5.0 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.