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ISSUER PROFILE · CIK 0001859690 · CUSIP G0567U127

Arqit Quantum Inc.ARQQW

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
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Median 90d
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Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
2.77
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2025-02-10 SCHEDULE Evolution Technology Fund II, SCSP. 3.10% 397,259 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 28,597 2.77 -12.6%
2026-03-13 32,714 1.93 -20.9%
2026-02-27 41,376 1.38 +36.9%
2026-02-13 30,231 1.21 -10.9%
2026-01-30 33,929 1.11 -14.2%
2026-01-15 39,539 1.00 +60.5%
2025-12-31 24,640 1.00 -22.1%
2025-12-15 31,647 1.00 +11.7%

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