Arqit Quantum Inc. -CW26ARQQWPreferred / convertible
13F holders, Q4 2025 (December 31)11holders
2new positions
2sold out
$0.15avg. 13F price*
At the end of Q4 2025, 11 institutions reported holding Arqit Quantum Inc. -CW26 (ARQQW) in their 13F filings, unchanged from Q3 2025. 2 opened new positions and 2 sold out. The largest holders were Foundations Investment Advisors, LLC ($469K), SLT Holdings LLC ($469K) and Vestcor Inc ($12K).
- Company
- Arqit Quantum Inc. -CW26
- CUSIP
- G0567U119
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $658 |
| Exits | 2 | $531K |
All 13F filers, Q3 2025 → Q4 2025: 10,082 shares bought and 2,058,532 shares sold, net −2,048,450 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Foundations Investment Advisors, LLC | — | Reduce -25.1% | 3,038,621 | $469K |
| SLT Holdings LLC | — | Reduce -25.1% | 3,038,621 | $469K |
| Vestcor Inc | — | No change | 75,000 | $12K |
| Healthcare of Ontario Pension Plan Trust Fund | — | No change | 73,728 | $11K |
| Goldman Sachs Group Inc. | — | No change | 47,320 | $7K |
| Silver Rock Financial LP | — | No change | 42,139 | $7K |
| Jane Street Group, LLC | — | Add +3.0% | 41,014 | $6K |
| Virtu Financial LLC | — | Add +39.5% | 16,362 | $3K |
| Osaic Holdings, Inc. | — | Reduce -40.0% | 4,650 | $718 |
| Wolverine Asset Management LLC | — | New | 3,282 | $507 |
| UBS Group AG | — | New | 982 | $151 |
"% of holder's portfolio" is ARQQW's weight in each manager's 13F, not the share of Arqit Quantum Inc. -CW26 the manager owns.