Quantinuum Inc.

QNTNASDAQ

$46.08-0.60 (-1.29%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Quantinuum Inc. price and activity chart data

Showing the 1Y range: Jun 4, 2026 to Oct 2, 2026. Price (-23.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Capital World Investors	Not reported	$373M	0.04%	New Not reported
Citadel Advisors LLC	Not reported	$188M	0.02%	Not reported
BlackRock, Inc.	Not reported	$185M	0.00%	Not reported
Capital Research Global Investors	Not reported	$143M	0.02%	Not reported
Defiance ETFs, LLC	Not reported	$95.3M	1.29%	New Not reported
Penserra Capital Management LLC	Not reported	$98.1M	0.75%	Not reported
Wellington Management Group LLP	Not reported	$92.4M	0.02%	New Not reported
Vanguard Portfolio Management LLC	Not reported	$84.1M	0.00%	Not reported
Capital International Investors	Not reported	$78.6M	0.02%	New Not reported
Vanguard Capital Management LLC	Not reported	$77.6M	0.00%	Not reported
Balyasny Asset Management L.P.	Not reported	$67.2M	0.08%	Not reported
Alliancebernstein L.P.	Not reported	$64.5M	0.02%	Not reported
Voya Investment Management LLC	Not reported	$56.5M	0.05%	Not reported
FIL Ltd	Not reported	$54.5M	0.04%	New Not reported
FMR LLC	Not reported	$52.5M	0.00%	Not reported
Norges Bank	Not reported	$46.1M	0.00%	Not reported
Shannon River Fund Management LLC	Not reported	$38.4M	3.42%	New Not reported
Massachusetts Financial Services Co	Not reported	$37.9M	0.01%	New Not reported
Mubadala Investment Co PJSC	Not reported	$36.7M	0.11%	Not reported
Principal Financial Group Inc	Not reported	$36M	0.02%	Not reported
Federated Hermes, Inc.	Not reported	$32.2M	0.05%	Not reported
Marshall Wace, LLP	Not reported	$32.1M	0.03%	Not reported
Jupiter Topco LLC	Not reported	$31.4M	0.01%	Not reported
Bank of New York Mellon Corp	Not reported	$30.8M	0.01%	Not reported
Jennison Associates LLC	Not reported	$29.3M	0.02%	New Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	Not reported	$27.4M	0.03%	Not reported
Jain Global LLC	Not reported	$27.3M	0.11%	New Not reported
Viking Global Investors LP	Not reported	$25M	0.07%	New Not reported
D1 Capital Partners L.P.	Not reported	$24.5M	0.07%	New Not reported
Davidson Kempner Capital Management LP	Not reported	$24.3M	0.29%	Not reported
Soros Fund Management LLC	Not reported	$21.7M	0.27%	New Not reported
Granahan Investment Management, LLC	Not reported	$19.1M	0.68%	Not reported
Burkehill Global Management, LP	Not reported	$18.8M	0.68%	New Not reported
Schonfeld Strategic Advisors LLC	Not reported	$17.7M	0.06%	Not reported
Ghisallo Capital Management LLC	Not reported	$16.3M	0.32%	Not reported
Seven Grand Managers, LLC	Not reported	$16.3M	0.66%	New Not reported
Brown Advisory Inc	Not reported	$15.3M	0.02%	Not reported
Blackstone Inc.	Not reported	$14.7M	0.04%	Not reported
HBK Investments L P	Not reported	$14.7M	0.14%	New Not reported
Hudson Bay Capital Management LP	Not reported	$14.6M	0.04%	Not reported
Tudor Investment Corp Et Al	Not reported	$14.4M	0.02%	Not reported
BlueCrest Capital Management Ltd	Not reported	$14.3M	0.47%	Not reported
Morgan Stanley	Not reported	$12.9M	0.00%	Not reported
D. E. Shaw & Co., Inc.	Not reported	$12.7M	0.01%	Not reported
Maplelane Capital, LLC	Not reported	$12.3M	0.22%	New Not reported
Elliott Investment Management L.P.	Not reported	$12.3M	0.05%	New Not reported
ExodusPoint Capital Management, LP	Not reported	$11.8M	0.08%	Not reported
Woodline Partners LP	Not reported	$11.5M	0.04%	Not reported
Capital Advisors Inc	Not reported	$11.5M	0.17%	New Not reported
Weiss Asset Management LP	Not reported	$11.4M	0.12%	New Not reported

50 of 168 holders

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Historical Activity Patterns

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