PSI vs QTEC overlap - what they share and where they differ

PSI and QTEC share 28.2% of their weight across 12 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.

PSI and QTEC

28.2%

12 shared positions

PSI

Invesco Semiconductors ETF

Reported positions cover 100% of the fund, 30 positions · Apr 30, 2026

Top 10: 48.6%·Holdings of PSI

QTEC

First Trust NASDAQ-100-Technology Sector Index Fund

Reported positions cover 100% of the fund, 46 positions · Jun 30, 2026

Top 10: 28.7%·Holdings of QTEC

Reported positions cover PSI 100%, QTEC 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.

QTEC vs PSI side by side

PSIInvesco Semiconductors ETF

30

stock positions reported to the SEC

53.1% of its weight is in 18 names QTEC does not hold

QTECFirst Trust NASDAQ-100-Technology Sector Index Fund

46

stock positions reported to the SEC

71.2% of its weight is in 34 names PSI does not hold

Where each fund's weight sits

PSI
QTEC
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Technology
95.3%
91.0%
Healthcare
4.5%
4.9%
Communication Services
0.0%
2.0%

The widest gap is Technology: PSI has 4.3 points more of it.

The figures side by side

PSIQTEC
Filing dateApr 30, 2026Jun 30, 2026
Stock positions reported3046
Weight of the ten largest48.6%28.7%
Largest positionMXL 8.0%AMAT 3.4%
Held alone18 positions, 53.1%34 positions, 71.2%
Covered by stock positions100%100%

Holdings they share

StockIn PSIIn QTECCounted
AMATApplied Materials, Inc.3.94%3.37%3.37%
KLACKLA Corp.4.39%3.29%3.29%
LRCXLam Research Corp.3.99%2.85%2.85%
MUMicron Technology, Inc.4.67%2.49%2.49%
AMDAdvanced Micro Devices, Inc.6.26%2.36%2.36%
TERTeradyne, Inc.2.15%2.71%2.15%
TXNTexas Instruments Inc.4.97%2.04%2.04%
MCHPMicrochip Technology Inc.2.52%2.02%2.02%
ADIAnalog Devices, Inc.2.33%2.01%2.01%
NVDANVIDIA Corp.3.91%1.99%1.99%

What each holds alone

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

Only in PSI

MXLMaxLinear, Inc.7.98%
TSEMTower Semiconductor Ltd.3.61%
DIODDiodes Inc.3.18%
AMKRAmkor Technology, Inc.2.96%
ONON Semiconductor Corp.2.96%
SITMSiTime Corp.2.86%
FORMFormFactor, Inc.2.78%
PLABPhotronics, Inc.2.68%
LSCCLattice Semiconductor Corp.2.56%
LASRnLight, Inc.2.50%

Only in QTEC

MRVLMARVELL TECHNOLOGY INC3.04%
ALABASTERA LABS INC2.95%
SNDKSANDISK CORP2.81%
ASMLASML HOLDING NV2.59%
INTCINTEL CORP2.55%
PANWPALO ALTO NETWORKS INC2.54%
WDCWESTERN DIGITAL CORP2.52%
NBISNEBIUS GROUP NV2.50%
DASHDOORDASH INC2.43%
FTNTFORTINET INC2.33%

Questions people ask

Is PSI the same as QTEC?

28.2% of their weight sits in the same 12 holdings. PSI also reports MXL, TSEM, DIOD, which the other does not. QTEC also reports MRVL, ALAB, SNDK, which the other does not.

How is the overlap between PSI and QTEC 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 PSI and 100% of QTEC, so the number cannot exceed the smaller coverage.

Which holds more, QTEC or PSI?

PSI reports 30 stock positions and QTEC reports 46. 53.1% of PSI's weight sits in names QTEC does not hold, and 71.2% of QTEC's weight in names PSI does not hold. The ten largest positions are 48.6% of PSI and 28.7% of QTEC.

How do PSI and QTEC differ by sector?

The widest gap is Technology: PSI has 4.3 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.