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HQNasdaqServices-Computer Programming ServicesFiscal year ends December 31Also trades as HQWWW

Horizon Quantum Holdings Ltd.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 20-F on Apr 14, 2026
$13.00+0.51 (+4.08%)

Close on Oct 19, 2026

Ownership

Who owns Horizon Quantum's shares

Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
1 buys · 0 sales
Net bought $1,000.00K

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Peak XV Partners Seed Fund I Ltd6,468,99920.30%13D (active)Mar 19, 2026
IonQ, Inc.4,230,11813.30%13D (active)Mar 19, 2026
Tencent Holdings Ltd4,175,57013.10%13G (passive)Mar 19, 2026
Harry L. You4,097,35811.80%13D (active)Mar 19, 2026
THL A12 Limited3,800,43811.10%13G (passive) amendmentJun 30, 2026
Joseph Francis Fitzsimons19,744,58538.30%13D (active)Mar 19, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares ownedLatest filing
Joseph Francis FitzsimonsChief Executive Officer, Director, 10% owner19,755,468Sep 15, 2026
Qian Yi Amanda ChewChief Product Officer–Sep 16, 2026
Catherine Michele FitzsimonsCL and CO1,026Sep 15, 2026
Si-Hui TanChief Science Officer6,337Sep 15, 2026
Greg GouldChief Financial Officer2,165Sep 15, 2026
Jill Ann TurnerDirector–Apr 2, 2026
Danielle LambertDirector84,602Mar 25, 2026
Harry L. YouDirector, 10% owner1,212,698Mar 20, 2026
Peter Henry OeyDirector–Mar 19, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Catherine Michele Fitzsimons
CL and CO
Sep 12, 2026Returned to company−1,122$15.22$17.08K1,026
Catherine Michele Fitzsimons
CL and CO
Sep 12, 2026Option exercise+2,148––2,148
Joseph Francis Fitzsimons
Chief Executive Officer, Director, 10% owner
Sep 12, 2026Returned to company−3,438$15.22$52.33K10,883
Joseph Francis Fitzsimons
Chief Executive Officer, Director, 10% owner
Sep 12, 2026Option exercise+14,321––14,321
Greg Gould
Chief Financial Officer
Sep 12, 2026Returned to company−1,272$15.22$19.36K2,165
Greg Gould
Chief Financial Officer
Sep 12, 2026Option exercise+3,437––3,437
Si-Hui Tan
Chief Science Officer
Sep 12, 2026Returned to company−2,991$15.22$45.52K2,737
Si-Hui Tan
Chief Science Officer
Sep 12, 2026Option exercise+5,728––5,728
Si-Hui Tan
Chief Science Officer
Aug 20, 2026Award+3,600––3,600
Danielle Lambert
Director
Mar 19, 2026Buy+84,602$11.82$1,000.00K84,602
Joseph Francis Fitzsimons
Chief Executive Officer, Director, 10% owner
Mar 19, 2026Award+19,744,585––19,744,585
Harry L. You
Director, 10% owner
Mar 19, 2026Award+1,163,484––1,163,484

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.