Security key
N5436L119
Quantum Cyber N.V. - Ordinary Shares, nominal value (euro)0.01 per share (QUCY)
CUSIP: N5436L119
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Ordinary Shares, nominal value (euro)0.01 per share
- Total 13F shares
- 302,224
- Total 13F value
- $143,547
- Share change
- -830,078
- SEC-reported price per share
- $0.47
- Number of holders
- 16
- Value change
- -$1,029,977
- Number of buys
- 6
- Number of sells
- 8
- Shares outstanding
- 505,832,450
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
16
Top holders
10
QUCY full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Quantum Cyber N.V. SEC filings
Quantum Cyber N.V. company facts
Broader feeds
Reporting periods
Holder history for CUSIP N5436L119
Recent filing periods:
Ownership snapshot
Top reported holders of QUCY - Quantum Cyber N.V. - Ordinary Shares, nominal value (euro)0.01 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Kevin Michael Donahue
Disclosed value leader
Kevin Michael Donahue
Comparable rows
15/15
Latest evidence
13 Feb 2026
3/4/5
13D/G
13F
Lead comparable stake: 11%
13D/G row: Kevin Michael Donahue
Showing 1-6 of 15 holder rows.
Quick read
Kevin Michael Donahue leads the comparable SEC ownership view at 11%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Kevin Michael Donahue's linked filing trail.
Comparable ownership
Top 5
Kevin Michael Donahue
11%
ARMISTICE CAPITAL, LLC
5%
Guido Baechler
0.12%
Heinrich Dreismann
0.01%
Gregory J. Tibbitts
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Kevin Michael Donahue |
3/4/5
13D/G
10%+ Owner · Donahue Kevin Michael
|
11%
from 13D/G
|
$1,034,350
685,000 shares
|
+$1,034,350 | 17 Oct 2025 |
| ARMISTICE CAPITAL, LLC |
13F
13D/G
Company
|
5%
from 13D/G
|
$868,295
775,263 shares
|
— | 31 Dec 2025 |
| Guido Baechler |
3/4/5
Chief Executive Officer, Director
|
0.12%
|
$738,170
605,058 shares
|
— | 13 Feb 2026 |
| Heinrich Dreismann |
3/4/5
Director
|
0.01%
|
$78,934
64,700 shares
|
— | 13 Feb 2026 |
| Gregory J. Tibbitts |
3/4/5
Director
|
0.01%
|
$68,167
55,875 shares
|
— | 13 Feb 2026 |
| Hans Hekland |
3/4/5
Director
|
0.01%
|
$54,900
45,000 shares
|
— | 01 Jan 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
302,224
Rows available
16
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
18
Q1 2026 holders
16
Holder diff
-2
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend