ARKK vs CHAT overlap - what they share and where they differ
ARKK and CHAT share 16.8% of their weight across 9 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.
ARKK and CHAT
16.8%
9 shared positions
ARKK
ARK Innovation ETF
Reported positions cover 97% of the fund, 44 positions · Apr 30, 2026
Top 10: 49.5%·Holdings of ARKK
CHAT
Roundhill Generative Ai & Technology ETF
Reported positions cover 99% of the fund, 40 positions · Apr 30, 2026
Top 10: 46.1%·Holdings of CHAT
Reported positions cover ARKK 97%, CHAT 99% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
CHAT vs ARKK side by side
ARKKARK Innovation ETF
44
stock positions reported to the SEC
78.1% of its weight is in 35 names CHAT does not hold
CHATRoundhill Generative Ai & Technology ETF
40
stock positions reported to the SEC
62.5% of its weight is in 31 names ARKK does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: CHAT has 33.0 points more of it.
The figures side by side
| ARKK | CHAT | |
|---|---|---|
| Filing date | Apr 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 44 | 40 |
| Weight of the ten largest | 49.5% | 46.1% |
| Largest position | TSLA 9.7% | GOOGL 7.2% |
| Held alone | 35 positions, 78.1% | 31 positions, 62.5% |
| Covered by stock positions | 97% | 99% |
Holdings they share
| Stock | In ARKK | In CHAT | Counted |
|---|---|---|---|
| AMDADVANCED MICRO DEVICES INC | 5.18% | 4.98% | 4.98% |
| AMZNAMAZON.COM INC | 2.68% | 4.18% | 2.68% |
| PLTRPALANTIR TECHNOLOGIES INC | 3.13% | 1.94% | 1.94% |
| CRWVCOREWEAVE INC | 2.85% | 1.85% | 1.85% |
| GOOGLALPHABET INC | 1.48% | 7.16% | 1.48% |
| NVDANVIDIA CORP | 1.19% | 6.95% | 1.19% |
| AVGOBROADCOM INC | 1.16% | 3.89% | 1.16% |
| BABAALIBABA GROUP HOLDING LTD | 0.92% | 2.94% | 0.92% |
| METAMETA PLATFORMS INC | 0.60% | 2.98% | 0.60% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ARKK
Only in CHAT
Questions people ask
Is ARKK the same as CHAT?
16.8% of their weight sits in the same 9 holdings. ARKK also reports TSLA, TEM, CRSP, which the other does not. CHAT also reports SKHY, MU, SAMSUNG ELECTRONICS CO LTD, which the other does not.
How is the overlap between ARKK and CHAT measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 97% of ARKK and 99% of CHAT, so the number cannot exceed the smaller coverage.
Which holds more, CHAT or ARKK?
ARKK reports 44 stock positions and CHAT reports 40. 78.1% of ARKK's weight sits in names CHAT does not hold, and 62.5% of CHAT's weight in names ARKK does not hold. The ten largest positions are 49.5% of ARKK and 46.1% of CHAT.
How do ARKK and CHAT differ by sector?
The widest gap is Technology: CHAT has 33.0 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.