Quantum Cyber NVQUCY
13F holders, Q1 2026 (March 31)18holders
5new positions
5sold out
$0.47avg. 13F price*
At the end of Q1 2026, 18 institutions reported holding Quantum Cyber NV (QUCY) in their 13F filings, unchanged from Q4 2025. 5 opened new positions and 5 sold out. The largest holders were UBS Group AG ($41K), XTX Topco Ltd ($30K) and Steward Partners Investment Advisory, LLC ($14K).
- Company
- Quantum Cyber NV
- Filed as
- MAINZ BIOMED N V (Q1 2026)
- CUSIP
- N5436L119
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $47K |
| Exits | 5 | $1.1M |
All 13F filers, Q4 2025 → Q1 2026: 158,836 shares bought and 988,312 shares sold, net −829,476 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| UBS Group AG | 0.00% | Add +59.8% | 86,576 | $41K |
| XTX Topco Ltd | 0.00% | New | 64,267 | $30K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 30,000 | $14K |
| Virtu Financial LLC | 0.00% | Add +125.1% | 28,839 | $14K |
| Susquehanna International Group, LLP | 0.00% | New | 18,517 | $9K |
| Jane Street Group, LLC | 0.00% | Reduce -12.7% | 16,093 | $8K |
| Harbour Investments, Inc. | 0.00% | New | 15,730 | $7K |
| Journey Advisory Group, LLC | 0.00% | No change | 15,000 | $7K |
| Two Sigma Securities, LLC | 0.00% | Reduce -3.0% | 12,814 | $6K |
| SBI Securities Co., Ltd. | 0.00% | Add +3353.4% | 11,638 | $6K |
| Provenance Wealth Advisors, LLC | 0.00% | No change | 1,171 | $555 |
| BNP Paribas Financial Markets | 0.00% | New | 600 | $284 |
| NFSG Corp | 0.00% | No change | 500 | $237 |
| HighMark Wealth Management LLC | 0.00% | No change | 200 | $94 |
| Morgan Stanley | 0.00% | No change | 189 | $90 |
| IFP Advisors, Inc | 0.00% | No change | 90 | $43 |
| Citigroup Inc. | 0.00% | Reduce -100.0% | 1 | $0 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is QUCY's weight in each manager's 13F, not the share of Quantum Cyber NV the manager owns.