SOXQ vs SOXX overlap - what they share and where they differ
SOXQ and SOXX share 82.4% of their weight across 27 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.
SOXQ and SOXX
82.4%
27 shared positions
SOXQ
Invesco PHLX Semiconductor ETF
Reported positions cover 99% of the fund, 30 positions · May 31, 2026
Top 10: 63.0%·Holdings of SOXQ
SOXX
iShares Semiconductor ETF
Reported positions cover 100% of the fund, 30 positions · Jun 30, 2026
Top 10: 61.6%·Holdings of SOXX
Reported positions cover SOXQ 99%, SOXX 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
SOXX vs SOXQ side by side
SOXQInvesco PHLX Semiconductor ETF
30
stock positions reported to the SEC
4.5% of its weight is in 3 names SOXX does not hold
SOXXiShares Semiconductor ETF
30
stock positions reported to the SEC
3.0% of its weight is in 3 names SOXQ does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Healthcare: SOXX has 1.2 points more of it.
The figures side by side
| SOXQ | SOXX | |
|---|---|---|
| Filing date | May 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 30 | 30 |
| Weight of the ten largest | 63.0% | 61.6% |
| Largest position | MU 11.8% | MU 8.5% |
| Held alone | 3 positions, 4.5% | 3 positions, 3.0% |
| Covered by stock positions | 99% | 100% |
Holdings they share
| Stock | In SOXQ | In SOXX | Counted |
|---|---|---|---|
| MUMicron Technology, Inc. | 11.76% | 8.54% | 8.54% |
| NVDANVIDIA Corp. | 8.93% | 6.81% | 6.81% |
| AMDAdvanced Micro Devices, Inc. | 6.44% | 8.09% | 6.44% |
| INTCIntel Corp. | 6.28% | 6.33% | 6.28% |
| AVGOBroadcom Inc. | 8.73% | 6.08% | 6.08% |
| MRVLMarvell Technology, Inc. | 6.27% | 5.22% | 5.22% |
| TXNTexas Instruments Inc. | 3.60% | 3.50% | 3.50% |
| LRCXLam Research Corp. | 3.40% | 4.89% | 3.40% |
| KLACKLA Corp. | 3.14% | 5.64% | 3.14% |
| AMATApplied Materials, Inc. | 3.02% | 5.77% | 3.02% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in SOXQ
Only in SOXX
Questions people ask
Is SOXQ the same as SOXX?
82.4% of their weight sits in the same 27 holdings. SOXQ also reports COHR, GFS, QRVO, which the other does not. SOXX also reports ASX, UMC, STM, which the other does not.
How is the overlap between SOXQ and SOXX measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 99% of SOXQ and 100% of SOXX, so the number cannot exceed the smaller coverage.
Which holds more, SOXX or SOXQ?
SOXQ reports 30 stock positions and SOXX reports 30. 4.5% of SOXQ's weight sits in names SOXX does not hold, and 3.0% of SOXX's weight in names SOXQ does not hold. The ten largest positions are 63.0% of SOXQ and 61.6% of SOXX.
How do SOXQ and SOXX differ by sector?
The widest gap is Healthcare: SOXX has 1.2 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.
Add a third fund in the tool·All fund pairs
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.