Arqit Quantum Inc. -CW26ARQQWPreferred / convertible
13F holders, Q3 2025 (September 30)11holders +1
4new positions
3sold out
$1.00avg. 13F price*
At the end of Q3 2025, 11 institutions reported holding Arqit Quantum Inc. -CW26 (ARQQW) in their 13F filings, up 1 from Q2 2025. 4 opened new positions and 3 sold out. The largest holders were Foundations Investment Advisors, LLC ($3.8M), SLT Holdings LLC ($3.8M) and XTX Topco Ltd ($325K).
- Company
- Arqit Quantum Inc. -CW26
- CUSIP
- G0567U119
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $549K |
| Exits | 3 | $25K |
All 13F filers, Q2 2025 → Q3 2025: 49,042 shares bought and 225,169 shares sold, net −176,127 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Foundations Investment Advisors, LLC | — | Reduce -2.1% | 4,059,489 | $3.8M |
| SLT Holdings LLC | — | Reduce -2.1% | 4,059,489 | $3.8M |
| XTX Topco Ltd | — | New | 8,396 | $325K |
| Anson Funds Management LP | — | New | 5,300 | $205K |
| Vestcor Inc | — | No change | 75,000 | $71K |
| Healthcare of Ontario Pension Plan Trust Fund | — | No change | 73,728 | $69K |
| Goldman Sachs Group Inc. | — | Reduce -34.6% | 47,320 | $44K |
| Silver Rock Financial LP | — | No change | 42,139 | $40K |
| Jane Street Group, LLC | — | Add +66.2% | 39,829 | $37K |
| Virtu Financial LLC | — | New | 11,729 | $11K |
| Osaic Holdings, Inc. | — | New | 7,750 | $7K |
"% of holder's portfolio" is ARQQW's weight in each manager's 13F, not the share of Arqit Quantum Inc. -CW26 the manager owns.