FXL vs IGM overlap - what they share and where they differ
FXL and IGM share 28.3% of their weight across 96 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 IGM
28.3%
96 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
IGM
iShares Expanded Tech Sector ETF
Reported positions cover 100% of the fund, 293 positions · Jun 30, 2026
Top 10: 58.1%·Holdings of IGM
Reported positions cover FXL 100%, IGM 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IGM vs FXL side by side
FXLFirst Trust Technology AlphaDEX Fund
110
stock positions reported to the SEC
13.3% of its weight is in 14 names IGM does not hold
IGMiShares Expanded Tech Sector ETF
293
stock positions reported to the SEC
19.1% of its weight is in 197 names FXL does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IGM has 4.5 points more of it.
The figures side by side
| FXL | IGM | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 110 | 293 |
| Weight of the ten largest | 18.1% | 58.1% |
| Largest position | CTSH 2.4% | GOOGL 8.0% |
| Held alone | 14 positions, 13.3% | 197 positions, 19.1% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In FXL | In IGM | Counted |
|---|---|---|---|
| AMDADVANCED MICRO DEVICES INC | 1.36% | 4.13% | 1.36% |
| PANWPALO ALTO NETWORKS INC | 1.29% | 1.20% | 1.20% |
| MUMICRON TECHNOLOGY INC | 1.18% | 5.46% | 1.18% |
| LRCXLAM RESEARCH CORP | 1.12% | 2.36% | 1.12% |
| MRVLMARVELL TECHNOLOGY INC | 1.04% | 1.14% | 1.04% |
| GOOGLALPHABET INC | 0.99% | 7.99% | 0.99% |
| WDCWESTERN DIGITAL CORP | 1.41% | 0.96% | 0.96% |
| APHAMPHENOL CORP | 1.21% | 0.95% | 0.95% |
| TXNTEXAS INSTRUMENTS INC | 0.92% | 1.18% | 0.92% |
| SNDKSANDISK CORP | 0.88% | 1.47% | 0.88% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in FXL
Only in IGM
Questions people ask
Is FXL the same as IGM?
28.3% of their weight sits in the same 96 holdings. FXL also reports LDOS, DOX, KBR, which the other does not. IGM also reports INTC, CSCO, NFLX, which the other does not.
How is the overlap between FXL and IGM 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 IGM, so the number cannot exceed the smaller coverage.
Which holds more, IGM or FXL?
FXL reports 110 stock positions and IGM reports 293. 13.3% of FXL's weight sits in names IGM does not hold, and 19.1% of IGM's weight in names FXL does not hold. The ten largest positions are 18.1% of FXL and 58.1% of IGM.
How do FXL and IGM differ by sector?
The widest gap is Technology: IGM has 4.5 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.