CHAT vs QQQ overlap - what they share and where they differ
CHAT and QQQ share 35.2% of their weight across 18 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.
CHAT and QQQ
35.2%
18 shared positions
CHAT
Roundhill Generative AI & Technology ETF
Reported positions cover 100% of the fund, 47 positions · Jul 31, 2026
Top 10: 39.3%·Holdings of CHAT
QQQ
Invesco QQQ Trust, Series 1
Reported positions cover 100% of the fund, 101 positions · Jun 30, 2026
Top 10: 47.8%·Holdings of QQQ
Reported positions cover CHAT 100%, QQQ 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
QQQ vs CHAT side by side
CHATRoundhill Generative AI & Technology ETF
47
stock positions reported to the SEC
49.3% of its weight is in 29 names QQQ does not hold
QQQInvesco QQQ Trust, Series 1
101
stock positions reported to the SEC
54.7% of its weight is in 83 names CHAT does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Consumer Cyclical: QQQ has 7.8 points more of it.
The figures side by side
| CHAT | QQQ | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 47 | 101 |
| Weight of the ten largest | 39.3% | 47.8% |
| Largest position | NVDA 6.4% | NVDA 7.6% |
| Held alone | 29 positions, 49.3% | 83 positions, 54.7% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In CHAT | In QQQ | Counted |
|---|---|---|---|
| NVDANVIDIA Corp | 6.43% | 7.60% | 6.43% |
| GOOGLAlphabet Inc | 5.92% | 6.29% | 5.92% |
| AMDAdvanced Micro Devices Inc | 3.39% | 4.10% | 3.39% |
| MUMicron Technology Inc | 3.22% | 5.64% | 3.22% |
| AMZNAmazon.com Inc | 2.81% | 4.02% | 2.81% |
| AVGOBroadcom Inc | 4.31% | 2.81% | 2.81% |
| MSFTMicrosoft Corp | 2.78% | 4.35% | 2.78% |
| METAMeta Platforms Inc | 1.96% | 2.62% | 1.96% |
| MRVLMarvell Technology Inc | 1.51% | 1.13% | 1.13% |
| INTCIntel Corp | 1.04% | 3.04% | 1.04% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in CHAT
Only in QQQ
Questions people ask
Is CHAT the same as QQQ?
35.2% of their weight sits in the same 18 holdings. CHAT also reports SKHY, SAMSUNG ELECTRONICS CO., LTD., SOFTBANK GROUP CORP, which the other does not. QQQ also reports AAPL, TSLA, AMAT, which the other does not.
How is the overlap between CHAT and QQQ 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 CHAT and 100% of QQQ, so the number cannot exceed the smaller coverage.
Which holds more, QQQ or CHAT?
CHAT reports 47 stock positions and QQQ reports 101. 49.3% of CHAT's weight sits in names QQQ does not hold, and 54.7% of QQQ's weight in names CHAT does not hold. The ten largest positions are 39.3% of CHAT and 47.8% of QQQ.
How do CHAT and QQQ differ by sector?
The widest gap is Consumer Cyclical: QQQ has 7.8 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.
Other pairs with these funds
QQQ against other funds in the table
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.