Arqit Quantum Inc

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Arqit Quantum Inc
TickerARQQW
CIK #0001859690
CUSIPG0567U119
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 11 6,569,820
2025-12-31 12 6,576,719
2025-09-30 12 8,550,244
2025-06-30 12 8,726,367
2025-03-31 9 6,011,361
2024-12-31 12 2,381,874
2024-09-30 17 7,774,098
2024-06-30 16 7,780,662
2024-03-31 17 7,811,981
2023-12-31 20 2,771,136
2023-09-30 20 7,980,275
2023-06-30 18 1,589,684
Form 13F Holdings
Firm Period DFND Voting Shares
SLT Holdings LLC [2026-06-30] SOLE 0 2,953,810
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