ARKX vs SHLD overlap - what they share and where they differ
ARKX and SHLD share 17.3% of their weight across 8 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 SHLD
17.3%
8 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
SHLD
Global X Defense Tech ETF
Reported positions cover 100% of the fund, 48 positions · May 31, 2026
Top 10: 59.3%·Holdings of SHLD
Reported positions cover ARKX 100%, SHLD 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
SHLD vs ARKX side by side
ARKXARK Space & Defense Innovation ETF
33
stock positions reported to the SEC
72.2% of its weight is in 25 names SHLD does not hold
SHLDGlobal X Defense Tech ETF
48
stock positions reported to the SEC
64.9% of its weight is in 40 names ARKX does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Healthcare: ARKX has 11.9 points more of it.
The figures side by side
| ARKX | SHLD | |
|---|---|---|
| Filing date | Apr 30, 2026 | May 31, 2026 |
| Stock positions reported | 33 | 48 |
| Weight of the ten largest | 56.7% | 59.3% |
| Largest position | LHX 7.8% | LMT 8.4% |
| Held alone | 25 positions, 72.2% | 40 positions, 64.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In ARKX | In SHLD | Counted |
|---|---|---|---|
| LHXL3HARRIS TECHNOLOGIES INC | 7.83% | 4.69% | 4.69% |
| PLTRPALANTIR TECHNOLOGIES INC | 3.08% | 7.07% | 3.08% |
| THALES SA | 1.91% | 4.27% | 1.91% |
| BWXTBWX TECHNOLOGIES INC | 1.81% | 3.05% | 1.81% |
| KTOSKRATOS DEFENSE & SECURITY SOLUTIONS INC | 5.45% | 1.81% | 1.81% |
| ESLTELBIT SYSTEMS LTD | 1.79% | 4.13% | 1.79% |
| AVAVAEROVIRONMENT INC | 5.01% | 1.32% | 1.32% |
| LMTLOCKHEED MARTIN CORP | 0.85% | 8.42% | 0.85% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ARKX
Only in SHLD
Questions people ask
Is ARKX the same as SHLD?
17.3% of their weight sits in the same 8 holdings. ARKX also reports RKLB, TER, AMD, which the other does not. SHLD also reports RTX, GD, RH, which the other does not.
How is the overlap between ARKX and SHLD 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 SHLD, so the number cannot exceed the smaller coverage.
Which holds more, SHLD or ARKX?
ARKX reports 33 stock positions and SHLD reports 48. 72.2% of ARKX's weight sits in names SHLD does not hold, and 64.9% of SHLD's weight in names ARKX does not hold. The ten largest positions are 56.7% of ARKX and 59.3% of SHLD.
How do ARKX and SHLD differ by sector?
The widest gap is Healthcare: ARKX has 11.9 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.