ARQQW — Arqit Quantum Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-04-06.
Performance
Technicals
Others in Technology
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-17 | Ritchie Garth Director | Option exercise | 841 | 0.00 | 0 |
| 2026-07-17 | Calabria Carlo Director | Option exercise | 757 | 0.00 | 0 |
| 2026-07-17 | Lefebvre d'Ovidio Manfredi Director | Option exercise | 673 | 0.00 | 0 |
| 2026-07-02 | Leaver Andrew Chief Executive Officer | Open-market sale | 9.9K | 25.20 | 249.3K |
| 2026-07-02 | Willcocks Patrick General Counsel | Open-market sale | 2.0K | 25.20 | 50.6K |
| 2026-07-02 | Feenan Paul Chief Revenue Officer | Open-market sale | 1.8K | 25.20 | 46.2K |
| 2026-07-02 | Wilder Ben Simon Chief Operating Officer | Open-market sale | 769 | 25.20 | 19.4K |
| 2026-07-02 | Ritchie Garth Director | Open-market sale | 439 | 25.20 | 11.1K |
| 2026-07-01 | Lefebvre d'Ovidio Manfredi Director | Open-market sale | 32.4K | 30.24 | 980.4K |
| 2026-07-01 | Feenan Paul Chief Revenue Officer | Option exercise | 965 | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Foundations Investment Advisors, LLC | 449.7K | 3.0M |
| SLT Holdings LLC | 449.7K | 3.0M |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 10.9K | 73.7K |
| GOLDMAN SACHS GROUP INC | 7.0K | 47.3K |
| JANE STREET GROUP, LLC | 6.3K | 42.7K |
| Silver Rock Financial LP | 6.2K | 42.1K |
| OSAIC HOLDINGS, INC. | 1.7K | 11.2K |
| WOLVERINE ASSET MANAGEMENT LLC | 486 | 3.3K |
| UBS Group AG | 325 | 2.2K |
| Vestcor Inc | 11 | 75.0K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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