ARKX vs VUG overlap - what they share and where they differ
ARKX and VUG share 20.2% 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.
ARKX and VUG
20.2%
12 shared positions
ARKX
ARK Space & Defense Innovation ETF
Reported positions cover 100% of the fund, 34 positions · Jul 31, 2026
Top 10: 54.5%·Holdings of ARKX
VUG
VANGUARD GROWTH INDEX FUND
Reported positions cover 100% of the fund, 144 positions · Jun 30, 2026
Top 10: 63.1%·Holdings of VUG
Reported positions cover ARKX 100%, VUG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VUG vs ARKX side by side
ARKXARK Space & Defense Innovation ETF
34
stock positions reported to the SEC
54.9% of its weight is in 22 names VUG does not hold
VUGVANGUARD GROWTH INDEX FUND
144
stock positions reported to the SEC
64.7% of its weight is in 132 names ARKX does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: ARKX has 39.7 points more of it.
The figures side by side
| ARKX | VUG | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 34 | 144 |
| Weight of the ten largest | 54.5% | 63.1% |
| Largest position | SPCX 7.7% | NVDA 12.6% |
| Held alone | 22 positions, 54.9% | 132 positions, 64.7% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In ARKX | In VUG | Counted |
|---|---|---|---|
| GOOGLALPHABET INC | 4.65% | 10.29% | 4.65% |
| AMZNAMAZON.COM INC | 4.90% | 4.47% | 4.47% |
| NVDANVIDIA CORP | 3.39% | 12.63% | 3.39% |
| TSLATESLA INC | 3.04% | 3.27% | 3.04% |
| AMDADVANCED MICRO DEVICES INC | 4.93% | 2.62% | 2.62% |
| PLTRPALANTIR TECHNOLOGIES INC | 2.94% | 0.71% | 0.71% |
| SPCXSPACE EXPLORATION TECHNOLOGIES CORP | 7.67% | 0.29% | 0.29% |
| SNPSSYNOPSYS INC | 0.97% | 0.25% | 0.25% |
| TERTERADYNE INC | 3.96% | 0.23% | 0.23% |
| DASHDOORDASH INC | 1.78% | 0.21% | 0.21% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ARKX
Only in VUG
Questions people ask
Is ARKX the same as VUG?
20.2% of their weight sits in the same 12 holdings. ARKX also reports LHX, KTOS, DE, which the other does not. VUG also reports AAPL, MSFT, AVGO, which the other does not.
How is the overlap between ARKX and VUG 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 VUG, so the number cannot exceed the smaller coverage.
Which holds more, VUG or ARKX?
ARKX reports 34 stock positions and VUG reports 144. 54.9% of ARKX's weight sits in names VUG does not hold, and 64.7% of VUG's weight in names ARKX does not hold. The ten largest positions are 54.5% of ARKX and 63.1% of VUG.
How do ARKX and VUG differ by sector?
The widest gap is Industrials: ARKX has 39.7 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.
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.