Quantum Cyber NVQUCY
13F holders, Q4 2025 (December 31)18holders +5
7new positions
2sold out
1famous investor
$1.12avg. 13F price*
At the end of Q4 2025, 18 institutions reported holding Quantum Cyber NV (QUCY) in their 13F filings, up 5 from Q3 2025. 7 opened new positions and 2 sold out. The largest holders were Armistice Capital, LLC ($868K), Cerity Partners LLC ($183K) and UBS Group AG ($61K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Quantum Cyber NV
- Filed as
- MAINZ BIOMED N V (Q4 2025)
- CUSIP
- N5436L119
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $269K |
| Exits | 2 | $76K |
All 13F filers, Q3 2025 → Q4 2025: 700,956 shares bought and 51,085 shares sold, net +649,871 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| Armistice Capital, LLC | 0.02% | Add +96.5% | 775,263 | $868K |
| Cerity Partners LLC | 0.00% | New | 163,253 | $183K |
| UBS Group AG | 0.00% | Add +674.1% | 54,181 | $61K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +200.0% | 30,000 | $34K |
| Corient Private Wealth LP | 0.00% | New | 20,000 | $22K |
| Jane Street Group, LLC | 0.00% | New | 18,437 | $21K |
| Journey Advisory Group, LLC | 0.00% | No change | 15,000 | $17K |
| Two Sigma Securities, LLC | 0.00% | New | 13,208 | $15K |
| Citadel Advisors | 0.00% | New | 12,643 | $14K |
| Virtu Financial LLC | 0.00% | New | 12,814 | $14K |
| Citigroup Inc. | 0.00% | Add +76800.0% | 12,304 | $14K |
| Osaic Holdings, Inc. | 0.00% | No change | 2,112 | $2K |
| Provenance Wealth Advisors, LLC | 0.00% | No change | 1,171 | $1K |
| NFSG Corp | 0.00% | No change | 500 | $560 |
| SBI Securities Co., Ltd. | 0.00% | No change | 337 | $377 |
| HighMark Wealth Management LLC | 0.00% | New | 200 | $224 |
| Morgan Stanley | 0.00% | Add +9350.0% | 189 | $212 |
| IFP Advisors, Inc | 0.00% | No change | 90 | $101 |
"% of holder's portfolio" is QUCY's weight in each manager's 13F, not the share of Quantum Cyber NV the manager owns.