FXL vs IYW overlap - what they share and where they differ
FXL and IYW share 30.0% of their weight across 99 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 IYW
30.0%
99 shared positions
FXL
First Trust Technology AlphaDEX Fund
Reported positions cover 100% of the fund, 103 positions · Apr 30, 2026
Top 10: 19.6%·Holdings of FXL
IYW
iShares U.S. Technology ETF
Reported positions cover 100% of the fund, 135 positions · Apr 30, 2026
Top 10: 65.6%·Holdings of IYW
Reported positions cover FXL 100%, IYW 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IYW vs FXL side by side
FXLFirst Trust Technology AlphaDEX Fund
103
stock positions reported to the SEC
2.8% of its weight is in 4 names IYW does not hold
IYWiShares U.S. Technology ETF
135
stock positions reported to the SEC
12.7% of its weight is in 36 names FXL does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IYW has 12.4 points more of it.
The figures side by side
| FXL | IYW | |
|---|---|---|
| Filing date | Apr 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 103 | 135 |
| Weight of the ten largest | 19.6% | 65.6% |
| Largest position | MRVL 2.4% | NVDA 16.2% |
| Held alone | 4 positions, 2.8% | 36 positions, 12.7% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In FXL | In IYW | Counted |
|---|---|---|---|
| MUMICRON TECHNOLOGY INC | 2.19% | 2.98% | 2.19% |
| AMDADVANCED MICRO DEVICES INC | 1.90% | 3.50% | 1.90% |
| LRCXLAM RESEARCH CORP | 1.73% | 1.98% | 1.73% |
| KLACKLA CORP | 1.70% | 1.41% | 1.41% |
| AMATAPPLIED MATERIALS INC | 1.26% | 1.92% | 1.26% |
| TXNTEXAS INSTRUMENTS INC | 1.24% | 1.57% | 1.24% |
| GOOGLALPHABET INC | 1.15% | 14.17% | 1.15% |
| APHAMPHENOL CORP | 1.27% | 1.10% | 1.10% |
| NVDANVIDIA CORP | 0.98% | 16.23% | 0.98% |
| METAMETA PLATFORMS INC | 0.92% | 2.80% | 0.92% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in FXL
Only in IYW
Questions people ask
Is FXL the same as IYW?
30.0% of their weight sits in the same 99 holdings. FXL also reports INGM, FLEX LTD, IAC INC, which the other does not. IYW also reports MSFT, ORCL, SNDK, which the other does not.
How is the overlap between FXL and IYW 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 IYW, so the number cannot exceed the smaller coverage.
Which holds more, IYW or FXL?
FXL reports 103 stock positions and IYW reports 135. 2.8% of FXL's weight sits in names IYW does not hold, and 12.7% of IYW's weight in names FXL does not hold. The ten largest positions are 19.6% of FXL and 65.6% of IYW.
How do FXL and IYW differ by sector?
The widest gap is Technology: IYW has 12.4 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.