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Who owns Quantinuum (QNT) stock

177 funds reported Quantinuum (QNT) shares in their latest 13F filings, worth $2.6B in all. The largest holder is Capital World Investors ($373M). Last quarter 161 funds added to their stakes and 0 cut them. Members of Congress and other officials disclosed 1 trade (1 buys, 0 sales).

Largest holders of QNT (13F)Largest holders of QNT (13F)Capital World Investors$373MCitadel Advisors LLC$188MBlackRock$185MCapital Research Global Investors$143MDefiance ETFs, LLC$95.3MWellington Management Group LLP$92.4MVanguard Portfolio Management LLC$84.1MCapital International Investors$78.6MVanguard Capital Management LLC$77.6MBalyasny Asset Management L.P.$67.2M

Largest holders (13F)

FundSharesValueChangeQuarter
Capital World Investors4,558,976$373Mnew2026-06-30
Citadel Advisors LLC2,299,997$188Mnew2026-06-30
BlackRock2,259,347$185Mnew2026-06-30
Capital Research Global Investors1,754,325$143Mnew2026-06-30
Defiance ETFs, LLC1,215,283$95.3Mnew2026-06-30
Wellington Management Group LLP1,130,639$92.4Mnew2026-06-30
Vanguard Portfolio Management LLC1,028,382$84.1Mnew2026-06-30
Capital International Investors961,428$78.6Mnew2026-06-30
Vanguard Capital Management LLC949,283$77.6Mnew2026-06-30
Balyasny Asset Management L.P.821,918$67.2Mnew2026-06-30
Alliancebernstein L.P.789,326$64.5Mnew2026-06-30
Voya Investment Management LLC691,437$56.5Mnew2026-06-30
FIL666,766$54.5Mnew2026-06-30
FMR LLC642,800$52.5Mnew2026-06-30
Franklin Resources545,323$44.6Mnew2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2026-06-04Cleo Fieldspurchase$1K–$15K

Quantinuum's latest quarter

Quantinuum, Q2 2026: revenue $8.0M (+279% year over year), net loss $597M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most QNT stock?

By the latest 13F filings: Capital World Investors ($373M); Citadel Advisors LLC ($188M); BlackRock ($185M); Capital Research Global Investors ($143M); Defiance ETFs, LLC ($95.3M).

Has Congress traded QNT stock?

Officials disclosed 1 trade on file: 1 buys and 0 sales. The latest: Cleo Fields, purchase on 2026-06-04.

What is the short interest in QNT?

5,854,854 shares were sold short at the 2026-10-15 settlement, 9.7% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.