Arqit Quantum Inc

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Arqit Quantum Inc
TickerARQQ
CIK #0001859690
CUSIPG0567U127
SectorTechnology - Services-Prepackaged Software
Address3 More London Riverside 1St Floor, London, SE1 2RE
Source [EDGAR]
CIK Filing 2011 - 2026
[0001859690] 3
[0001859690] 4
[0001859690] 6-K
[0001859690] SC 13D
[0001859690] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
ICS Opportunities Ltd Arqit Quantum Inc [2026-06-23] 0.0
Williams Sarah Jane Arqit Quantum Inc [2024-10-01] 6.3
Notion Capital III GP LLP Arqit Quantum Inc [2024-01-26] 0.649
Notion Capital III GP LLP Arqit Quantum Inc [2023-01-06] 13.3
Notion Capital III GP LLP Arqit Quantum Inc [2022-01-06] 13.5
Evolution Technology Fund II SCSP Arqit Quantum Inc [2021-09-21] 8.1
D2BW Ltd Arqit Quantum Inc [2021-09-17] 24.7
Heritage Assets SCSP Arqit Quantum Inc [2021-09-14] 8.2
Centricus Heritage LLC Arqit Quantum Inc [2021-09-13] 7.8
Form 3/4/5 Filer 2011 - 2026
Arqit Quantum Inc
Lefebvre d'Ovidio Manfredi
Calabria Carlo
Willcocks Patrick
Ritchie Garth
Leaver Andrew
Wilder Ben Simon
Feenan Paul
Bers Jennifer
Russell Robert Michael
Levis Cristina
Pointon Nicholas
Nilan Nicholas William
Chandler Stephen Charles
13F Ownership Over TimeHoldersShares Held
2026-03-31 61 3,003,436
2025-12-31 63 2,856,008
2025-09-30 61 1,308,601
2025-06-30 47 1,032,924
2025-03-31 35 732,927
2024-12-31 35 343,373
2024-09-30 16 116,237
2024-06-30 28 2,836,819
2024-03-31 31 5,158,489
2023-12-31 34 5,003,235
2023-09-30 36 15,799,240
2023-06-30 36 12,994,695
Form 13F Holdings
Firm Period DFND Voting Shares
Kessler Investment Group LLC [2026-06-30] SOLE 0 153,105
Heck Capital Advisors LLC [2026-06-30] SOLE 7,882 7,882
IFP Advisors LLC [2026-06-30] SOLE 185 185
Farther Finance Advisors LLC [2026-06-30] SOLE 0 172
West Financial Advisors LLC [2026-06-30] SOLE 0 100
Corecap Advisors LLC [2026-06-30] SOLE 0 16
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