ARKK vs ROBO: holdings overlap, shared companies and scores
As of September 11, 2026, ARKK and ROBO overlap 4.7% by weight. ARK Innovation ETF (ARKK): Global disruptive tech stocks. ROBO Global Robotics and Automation Index ETF (ROBO): Global robotics and automation firms.
Updated September 11, 2026
How much do ARKK and ROBO overlap?
As of September 11, 2026, ARKK and ROBO overlap 4.7% by weight.
15% of ARKK is already inside ROBO.
6% of ROBO is already inside ARKK.
ARKK holds 42 companies and ROBO holds 80; 4 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score ARKK and ROBO?
As of September 11, 2026, ETF Copilot scores ARKK 3.2 out of 10 and ROBO 4.1 out of 10.
They differ most on Risk: ARKK 0.4 and ROBO 2.5.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | ARKK | ROBO |
|---|---|---|
| Growth | 4.4 | 5.5 |
| Risk | 0.4 | 2.5 |
| Quality | 0.9 | 2.0 |
| Return | 5.5 | 4.2 |
ARKK is the cheaper of the two at 0.75% a year
As of September 11, 2026, ARKK charges 0.75% a year, yields 0.05% and holds $5.6B in assets across 42 positions.
As of September 11, 2026, ROBO charges 0.95% a year, yields 1.08% and holds $2.0B in assets across 80 positions.
| Measure | ARKK | ROBO |
|---|---|---|
| Expense ratio | 0.75% | 0.95% |
| Dividend yield | 0.05% | 1.08% |
| Assets under management | $5.6B | $2.0B |
| Holdings | 42 | 80 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where ARKK and ROBO trade against their own history
ARKK trades at 47.0 times earnings, against its own median of 44.6, and is more expensive than 54% of its own 114 monthly readings since 2017.
ROBO trades at 29.9 times earnings, against its own median of 25.0, and is more expensive than 80% of its own 114 monthly readings since 2017.
What moved ARKK and ROBO this week
ARKK fell 4.1% in the week to September 11, 2026. The holdings that moved it most were Circle Internet (−12.2%), Beam Therapeutics (−18.6%) and Tempus AI (−8.7%); Advanced Micro Devices (+13.1%) pushed the other way.
ROBO fell 0.8% in the week to September 11, 2026. The holdings that moved it most were Parametric Technology (−12.9%), Autodesk (−10.6%) and Illumina (−6.9%); Softbank (+33.0%) pushed the other way.
What do ARKK and ROBO each hold?
What's inside ARKK: Tech 31%, AI 27%.
51% of ARKK is its ten largest holdings.
What's inside ROBO: Tech 42%, Semiconductors 11%.
18% of ROBO is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “ARKK vs ROBO holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/arkk-vs-robo
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