Arqit
UKWho owns Arqit?
Arqit is a British Cybersecurity company, now owned by Public market, which acquired it in 2025 from Seraphim Space.
Notion Capital is still listed as an investor in Arqit, status not confirmed after the 2025 sale.
Hand-verified · updated 2026-09-30
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Key facts
- ·Held by Notion Capital since 2023 (3Y hold).
- ·Best return: 0.1x MOIC by Seraphim Space (2025 exit).
Ownership history
2 ownership periods · co-invest detected
Seraphim Space sold Arqit Quantum to Public market in 2025 after 4 years.
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Questions
Who owns Arqit?
Arqit is now owned by Public market, which acquired it in 2025 from Seraphim Space. Notion Capital is still listed as an investor in Arqit, status not confirmed after the 2025 sale.
When did Public market acquire Arqit?
Public market acquired Arqit in 2025, buying from Seraphim Space.
Who did Arqit sell to?
Seraphim Space sold Arqit to Public market in 2025 (Secondary), 0.1x return.
Who has owned Arqit over time?
Arqit has been through 2 private-equity ownership periods: Seraphim Space · via Seraphim Space Investment Trust · 2021–2025 · sold to Public market · (Secondary) · 0.1x; Notion Capital · via Notion Capital V · since 2023.