QUANTINUUM INC (QNT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in QNT. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
20
13F filers
Aggregate Value
$509.4M
Across holders
Last Price
$48.00
2026-09-02
Sector
GICS
Quarterly fund activity20 increased0 reduced0 exited
Institutional Holders of QNT
20 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund2.30M$188.0M36.9%0.0%AddedQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund822K$67.2M13.2%0.1%AddedQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund393K$32.1M6.3%0.0%AddedQ2 2026
VIKING GLOBAL INVESTORS LP
CIK 0001103804
Hedge Fund306K$25.0M4.9%0.1%AddedQ2 2026
D1 Capital Partners L.P.
CIK 0001747057
Hedge Fund300K$24.5M4.8%0.1%AddedQ2 2026
Davidson Kempner Capital Management LP
CIK 0001595082
Hedge Fund298K$24.3M4.8%0.3%AddedQ2 2026
SOROS FUND MANAGEMENT LLC
CIK 0001029160
Family Office266K$21.7M4.3%0.3%AddedQ2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund216K$17.7M3.5%0.1%AddedQ2 2026
HBK INVESTMENTS L P
CIK 0001011443
Hedge Fund179K$14.7M2.9%0.1%AddedQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund178K$14.6M2.9%0.0%AddedQ2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$188.0M· 36.9% of total· 0.0% port· 2.30M sh· QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$67.2M· 13.2% of total· 0.1% port· 822K sh· QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$32.1M· 6.3% of total· 0.0% port· 393K sh· QoQ· Q2 2026
VIKING GLOBAL INVESTORS LPAdded
Hedge Fund
$25.0M· 4.9% of total· 0.1% port· 306K sh· QoQ· Q2 2026
D1 Capital Partners L.P.Added
Hedge Fund
$24.5M· 4.8% of total· 0.1% port· 300K sh· QoQ· Q2 2026
Davidson Kempner Capital Management LPAdded
Hedge Fund
$24.3M· 4.8% of total· 0.3% port· 298K sh· QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCAdded
Family Office
$21.7M· 4.3% of total· 0.3% port· 266K sh· QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$17.7M· 3.5% of total· 0.1% port· 216K sh· QoQ· Q2 2026
HBK INVESTMENTS L PAdded
Hedge Fund
$14.7M· 2.9% of total· 0.1% port· 179K sh· QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$14.6M· 2.9% of total· 0.0% port· 178K sh· QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$14.4M· 2.8% of total· 0.0% port· 177K sh· QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$12.7M· 2.5% of total· 0.0% port· 155K sh· QoQ· Q2 2026
MAPLELANE CAPITAL, LLCAdded
Hedge Fund
$12.3M· 2.4% of total· 0.2% port· 150K sh· QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$11.8M· 2.3% of total· 0.1% port· 144K sh· QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$11.5M· 2.3% of total· 0.0% port· 140K sh· QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$8.8M· 1.7% of total· 0.0% port· 108K sh· QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$2.9M· 0.6% of total· 0.0% port· 36K sh· QoQ· Q2 2026
LIGHT STREET CAPITAL MANAGEMENT, LLCAdded
Hedge Fund
$2.9M· 0.6% of total· 0.3% port· 35K sh· QoQ· Q2 2026
STEADFAST CAPITAL MANAGEMENT LPAdded
Hedge Fund
$1.9M· 0.4% of total· 0.1% port· 23K sh· QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$434K· 0.1% of total· 0.0% port· 5K sh· QoQ· Q2 2026
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