Is there a robotaxi index fund? What exists in 2026

“Robotaxi index fund” is one of those searches where the honest answer is more interesting than the yes-or-no. Something robotaxi-specific now trades on a US exchange — that's new in 2026 — but it isn't an index fund, and the things that are index funds aren't robotaxi-specific. Here is the whole shelf, every fact dated, plus the comparison the fund pages won't make for you: what paper exposure can and cannot do next to the asset this site exists for, the car itself.

The direct answer: CABZ, with an asterisk

In January 2026, Roundhill Investments launched the Roundhill Robotaxi, Autonomous Vehicles & Technology ETF, ticker CABZ — the first US ETF built specifically around the robotaxi theme. It began trading January 14, 2026 and carries a 0.59% gross expense ratio, targeting companies across the self-driving and robotaxi ecosystems (Roundhill, fund page).

The asterisk: CABZ is actively managed. Its managers pick the holdings; it does not replicate a published index. So the literal answer to “is there a robotaxi index fund” is no — there is a robotaxi ETF, and there are index funds nearby. Whether that distinction matters to you is a fees-and-philosophy question this page won't decide for you.

The shelf: what actually trades in 2026

Two honest footnotes to the table. First, the three passive funds predate the robotaxi era and cast a much wider net — an automaker's EV sales can move them more than any robotaxi milestone. Second, fund facts drift: expense ratios, index methodologies, and assets change, so verify against the issuer's page on the day you care. Figures above are as reported in 2026 coverage (US News, 2026).

On sizing the theme itself: Goldman Sachs projected in April 2026 that the global robotaxi market may reach $415 billion by 2035, with the US at roughly $48 billion. File that where we file every forward number on this site: a projection, clearly labeled, from someone who cannot know.

What a fund gives you — and what it structurally can't

A fund share is the lowest-friction exposure that exists: one-share minimum, no accreditation, daily liquidity, instant diversification across dozens of companies, zero operational involvement. Those are real advantages and we won't pretend otherwise.

What a fund structurally cannot do is pay you ride revenue. Its value is the market's moment-to-moment opinion of many companies at once — you own a claim on businesses, not a vehicle. Notably, there is still no pure-play public robotaxi operator: Waymo lives inside Alphabet, so Alphabet stock is the only Waymo exposure and robotaxis are a rounding error in its results — a point we unpacked in Waymo vs Tesla. Tesla trades publicly, and its robotaxi network is one thread of a much larger company.

The three routes, side by side

We keep the full comparison in fractional shares vs. owning the car; the short version of all three routes:

• Public funds and stocks — diversified paper exposure. No accreditation, deep liquidity, no ride income, no title.
• Fractional platforms — units in an entity that owns vehicles. Minimums and accreditation vary (Reg D 506(c) offerings are accredited-only; Reg CF is open with limits); you hold equity in a pool, not a car; liquidity is whatever the platform's rules say.
• Owning the vehicle — a titled asset in your name that can, in principle, earn operational income. Undiversified, illiquid, and honest people say plainly: the owner-earnings model is unproven as of August 2026 — Tesla's network has never opened to customer cars, a status we track dated in the honest investment math. A car is property, not a security, so no accreditation applies — and no securities-law protections do either.

The test we suggest applying to any of the three is the same one from our vetting checklist: can the seller tell you precisely what you hold, what it costs all-in, and what happens if the operator fails? A fund prospectus, a platform's offering circular, and a depot's reservation agreement should each survive that reading.

Robotaxi funds: FAQ

Is there a robotaxi index fund?

Not literally. CABZ is robotaxi-specific but actively managed; DRIV, IDRV, and KARS are index funds but cover the broader AV/EV ecosystem. Pick your imprecision.

Is CABZ an index fund?

No — it is actively managed, with a 0.59% gross expense ratio, trading since January 14, 2026. Its managers select the holdings rather than tracking a published index.

Can you invest in Waymo?

Only through Alphabet stock — Waymo is not separately listed, and no pure-play public robotaxi operator exists as of August 2026.

Do you need to be accredited?

Not for anything on the public shelf above. Accreditation enters with private fractional offerings under Reg D 506(c); buying a vehicle needs none, because a car is property, not a security.

Which route is best?

That is exactly the question this page won't answer — it depends on your capital, liquidity needs, and risk tolerance, and we sell one of the three routes, so our opinion is conflicted by construction. What we can offer is our math with the assumptions exposed: the calculator labels every unknown, including the network split that doesn't exist yet.