Themes · ranked by the share of the fund held in its ten largest positions

The most concentrated quantum computing ETFs

See 3 funds ranked by the share of the fund held in its ten largest positions. Updated Oct 20, 2026. Two funds on one theme can hold ten names or two hundred. Fund names do not show which.

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The most concentrated quantum computing ETFs
#TickerFundTop ten weight ↓HoldingsNet assetsTotal return, 1Y
1CQTMCorgi Quantum Computing ETF69.1%18$13mtoo new
2WQTMWisdomTree Quantum Computing Fund39.7%46$329m−3.2%
3QTUMDefiance Quantum ETF18.1%86$5.2bn+27.0%
As of Oct 20, 2026. Source: ETFIQ.

Method

The 3 of 4 ETFs in the quantum computing theme with a filed book, most concentrated first.

The rest of the method

Across the funds listed here the weight in the ten largest runs from 18.1% to 69.1%. Concentration is not a fault. It shows how much rides on ten holdings. The list sorts one published figure, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.

How these figures are computed →Standards and sources →
Where to next
Every quantum computing ETF and what it holds→The largest quantum computing ETFs4 →
Where these figures came from
Fund holdings from SEC Form N-PORT and from the issuers own daily files ↗SEC EDGAR, full-text search of fund filings ↗SEC Form N-PORT, what a fund filed it holds ↗Rule 19a-1, what a distribution notice must say ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A ranking is not a recommendation or an opinion.

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ETFIQ, The most concentrated quantum computing ETFs, ranked by the share of the fund held in its ten largest positions, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-concentrated-quantum

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