ARKX vs QQQ overlap - what they share and where they differ
ARKX and QQQ share 19.7% of their weight across 11 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.
ARKX and QQQ
19.7%
11 shared positions
ARKX
ARK Space & Defense Innovation ETF
Reported positions cover 100% of the fund, 33 positions · Apr 30, 2026
Top 10: 56.7%·Holdings of ARKX
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 ARKX 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 ARKX side by side
ARKXARK Space & Defense Innovation ETF
33
stock positions reported to the SEC
60.0% of its weight is in 22 names QQQ does not hold
QQQInvesco QQQ Trust, Series 1
101
stock positions reported to the SEC
71.9% of its weight is in 90 names ARKX does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: QQQ has 43.7 points more of it.
The figures side by side
| ARKX | QQQ | |
|---|---|---|
| Filing date | Apr 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 33 | 101 |
| Weight of the ten largest | 56.7% | 47.8% |
| Largest position | LHX 7.8% | NVDA 7.6% |
| Held alone | 22 positions, 60.0% | 90 positions, 71.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In ARKX | In QQQ | Counted |
|---|---|---|---|
| AMDADVANCED MICRO DEVICES INC | 6.14% | 4.10% | 4.10% |
| GOOGLALPHABET INC | 4.04% | 6.29% | 4.04% |
| AMZNAMAZON.COM INC | 4.23% | 4.02% | 4.02% |
| NVDANVIDIA CORP | 2.38% | 7.60% | 2.38% |
| TSLATESLA INC | 2.38% | 3.30% | 2.38% |
| PLTRPALANTIR TECHNOLOGIES INC | 3.08% | 1.16% | 1.16% |
| SNPSSYNOPSYS INC | 1.06% | 0.37% | 0.37% |
| DASHDOORDASH INC | 1.14% | 0.33% | 0.33% |
| TERTERADYNE INC | 6.64% | 0.33% | 0.33% |
| HONHONEYWELL INTERNATIONAL INC | 1.00% | 0.31% | 0.31% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ARKX
Only in QQQ
Questions people ask
Is ARKX the same as QQQ?
19.7% of their weight sits in the same 11 holdings. ARKX also reports LHX, DE, KTOS, which the other does not. QQQ also reports AAPL, MU, MSFT, which the other does not.
How is the overlap between ARKX 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 ARKX and 100% of QQQ, so the number cannot exceed the smaller coverage.
Which holds more, QQQ or ARKX?
ARKX reports 33 stock positions and QQQ reports 101. 60.0% of ARKX's weight sits in names QQQ does not hold, and 71.9% of QQQ's weight in names ARKX does not hold. The ten largest positions are 56.7% of ARKX and 47.8% of QQQ.
How do ARKX and QQQ differ by sector?
The widest gap is Technology: QQQ has 43.7 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.