# The largest quantum computing ETFs

> The largest quantum computing ETFs, ranked by net assets, as of Oct 20, 2026. 4 funds from ETFIQ’s own published figures.

Data as of Oct 20, 2026. Rebuilt every trading night.

As of Oct 20, 2026 . Rebuilt every trading night.

## The largest quantum computing ETFs

See 4 funds ranked by net assets. Updated Oct 20, 2026. Every fund here is sold on quantum computing. What each one holds, and how much of it the S&P 500 already holds for you, is the column beside the size.

| # | Ticker | Fund | Net assets | Weight in S&P 500 companies | Total return, 1Y | Fee | Source |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | QTUM | Defiance Quantum ETF | $5.2bn | 37.4% | +27.0% | 0.40% | Issuer daily, Oct 19, 2026 |
| 2 | WQTM | WisdomTree Quantum Computing Fund | $329m | 38.5% | −3.2% | 0.45% | SEC filing, Jun 30, 2026 |
| 3 | QTUP | Defiance Long Pure Quantum ETF | $17m | not published | too new | 0.77% | Issuer daily, Oct 19, 2026 |
| 4 | CQTM | Corgi Quantum Computing ETF | $13m | 16.6% | too new | 0.35% | Issuer daily, Oct 20, 2026 |

### Method

The 4 ETFs in the quantum computing theme, of which 4 publish net assets, ranked on the most recent figure for each. Across the funds listed here the weight held in S&P 500 companies runs from 16.6% to 38.5%. Size shows where the money is, not what a fund did. The list sorts one published figure, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.

### Where to next

### Where these figures came from

ETFIQ links to the documents behind every figure; a link is not an endorsement.

A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources

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Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.
Cite: ETFIQ, The largest quantum computing ETFs, ranked by net assets, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-largest-quantum
Licence: https://etfiq.com/license/ Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.
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