What Is ROBO? ROBO Global Robotics & Automation Index ETF

ROBO is the ROBO Global Robotics & Automation Index ETF, the fund widely credited as the original robotics ETF when it launched in 2013. It tracks the ROBO Global Robotics & Automation Index, which holds roughly 80 companies tied to robotics, factory and warehouse automation, AI-enabled machines, machine vision, sensing, and the components behind them. Rather than weight those names by market cap, the index uses a tiered, modified-equal-weight structure, so the fund spreads exposure across the theme instead of concentrating it in a few giants.

The simplest way to understand ROBO is as the broad, diversified expression of a single idea: the long-run shift toward automation. Where a cap-weighted thematic fund leans on its largest holdings, ROBO deliberately keeps most positions near 2% or less, reaches well beyond US mega-caps into global mid- and small-cap robotics firms, and behaves like a focused sector wager rather than a diversified core. That breadth, and the global tilt, are the entire point of the fund.

Approximate weights as of early 2026; refresh quarterly from ROBO Global (Exchange Traded Concepts)'s fund page. Each ticker links to its individual stock guide in Walnut.

Because ROBO uses a tiered, modified-equal-weight methodology, its holdings sit close together rather than being dominated by a single stock. Top positions like IPG Photonics, Intuitive Surgical, Zebra Technologies, Cognex, and Nordson typically sit around 2% each, with names like Samsara, Teradyne, NVIDIA (at a smaller weight here than in a cap-weighted fund), Symbotic, and UiPath nearby. See the top-10 table above for current weights. The top 10 make up a far smaller share of ROBO than they would in a cap-weighted ETF.

The remaining roughly 70 holdings carry the rest, spread across robotics pure-plays, industrial-automation leaders, machine-vision and sensing companies, and the equipment makers behind them, including a meaningful number of non-US names. That breadth is what separates ROBO from a more concentrated robotics fund like BOTZ: it reaches deeper into mid- and small-cap automation and further around the world, so the fund captures the wider theme rather than a handful of its largest beneficiaries.

ROBO and BOTZ both target robotics and automation, but they are built very differently. ROBO (0.95%) holds roughly 80 names in a near-equal-weight structure, so it is broader, more global, and carries more mid- and small-cap exposure, with no single stock dominating. BOTZ (around 0.68%) is more concentrated in a smaller set of larger names, so it leans more mega-cap and costs less. In short, ROBO is the wider, more diversified version of the theme and BOTZ is the tighter, cheaper one.

The practical choice comes down to breadth versus cost and concentration. ROBO's near-equal weighting means a winning mega-cap matters less and a broad recovery across smaller automation names matters more, while its 0.95% fee is the highest in the category. BOTZ's lower fee and heavier weighting toward its largest holdings make it more sensitive to a few big names. Owning both buys you little, since they cover the same theme; most investors pick one based on whether they want diversification or a lower fee.

ROBO's returns come almost entirely from price appreciation across its holdings rather than income, since robotics and automation companies tend to reinvest cash flow into research and capacity rather than pay large dividends, leaving the fund's yield minimal. Because it is concentrated in a single, cyclical theme and reaches into smaller, more volatile names, ROBO has historically swung harder than a broad-market index, rising sharply when automation and AI sentiment is strong and falling hard when it turns.

One thing to understand before buying: ROBO is a focused bet on the long-run automation theme, expressed broadly. Its near-equal weighting means it depends less on any single stock and more on the theme as a whole, so it can lag a cap-weighted fund when one or two mega-caps lead, and outperform when the recovery is broad. It is best judged over a full cycle and on a total-return basis, with the expectation that the ride is bumpier than a diversified core and the high fee is a persistent drag.

ROBO tends to work best as a satellite position, a thematic sleeve layered around a diversified core like VOO or VTI rather than a core holding in its own right. Its appeal is breadth: roughly 80 global automation names at near-equal weight give you diversified exposure to the theme without betting heavily on a single stock. That suits investors who believe in long-run automation growth but want to spread the wager rather than concentrate it. Position sizing is where most of the risk decision lives, and many thematic investors keep a fund like this to a modest slice of the total portfolio.

Where it falls short: ROBO's 0.95% fee is high and compounds against returns over time, the theme is volatile, and the global and small-cap tilt adds risk a broad domestic fund does not carry. Walnut isn't an investment adviser and this isn't a recommendation, but two things are worth checking before sizing a position. First, the fee and volatility, since both are meaningful here. Second, overlap, since you may already hold some of these names through a broad tech fund. In conversation, Walnut's AI can show you how much ROBO overlaps with what you already own and where it fits as a satellite around your core.

ROBO trades on NYSE Arca during US market hours (9:30am to 4:00pm ET) and is available at every major broker, including Robinhood, Fidelity, Schwab, Vanguard, Public, M1, and Webull. Fractional shares are supported at most modern brokers, which is useful for sizing a small thematic position precisely rather than committing to whole shares.

Walnut doesn't replace your broker, it sits on top of it. Connect any major broker and Walnut adds an AI layer that helps you build baskets around ROBO, track how your robotics sleeve is doing against your targets, and rebalance when your allocation drifts.

ROBO is the broadest, most diversified way to own the robotics and automation theme, spread across roughly 80 global names at near-equal weight rather than concentrated in a few mega-caps. It works as a thematic satellite sized modestly around a diversified core, carries a high 0.95% fee, and is more volatile than a broad-market fund. Where BOTZ is more concentrated and cheaper, ROBO is wider and pricier.

Whether ROBO is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is ROBO a buy?

ROBO yields ~0.5% as of early 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see ROBO dividend: yield and schedule.