Quantum Cyber N.V. - Ordinary Shares, nominal value of 0.01 per share (QUCY)

Q: What does CUSIP N5436L119 represent in this 13F holders report?

CUSIP N5436L119 is the security identifier for QUCY - Quantum Cyber N.V. - Ordinary Shares, nominal value of 0.01 per share used to aggregate holder disclosures.

Q: How many institutions held QUCY - Quantum Cyber N.V. - Ordinary Shares, nominal value of 0.01 per share in Q4 2025?

18 institutional investors reported QUCY - Quantum Cyber N.V. - Ordinary Shares, nominal value of 0.01 per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: N5436L119

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Ordinary Shares, nominal value of 0.01 per share
Total 13F shares: 1,131,702
Total 13F value: $1,267,155
Share change: +649,871
SEC-reported price per share: $1.12
Number of holders: 18
Value change: +$708,602
Number of buys: 12
Number of sells: 2
Shares outstanding: 8,720,000

Security key

N5436L119

Report period

Q4 2025

Institutions

Top holders

QUCY full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Quantum Cyber N.V. SEC filings Quantum Cyber N.V. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP N5436L119

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of QUCY - Quantum Cyber N.V. - Ordinary Shares, nominal value of 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

14/14

Latest evidence

17 Oct 2025

3/4/5 13D/G 13F Lead comparable stake: 11% 13D/G row: Kevin Michael Donahue Showing 1-6 of 14 holder rows.

Quick read

Kevin Michael Donahue leads the comparable SEC ownership view at 11%.

14 of 14 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%

Dauntless Investment Group, LLC 0.58%

Journey Advisory Group, LLC 0.17%

Steward Partners Investment Advis... 0.11%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 14 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Kevin Michael Donahue	3/4/5 13D/G 10%+ Owner · Donahue Kevin Michael 3/4/5 13D/G	11% from 13D/G	$1,034,350 685,000 shares	+$1,034,350	17 Oct 2025
ARMISTICE CAPITAL, LLC	13F 13D/G Company 13F 13D/G	5% from 13D/G	$587,833 394,519 shares	—	30 Sep 2025
Dauntless Investment Group, LLC	13F Company 13F	0.58%	$75,990 51,000 shares	—	30 Sep 2025
Journey Advisory Group, LLC	13F Company 13F	0.17%	$22,350 15,000 shares	—	30 Sep 2025
Steward Partners Investment Advisory, LLC	13F Company 13F	0.11%	$14,900 10,000 shares	—	30 Sep 2025
UBS Group AG	13F Company 13F	0.08%	$10,428 6,999 shares	—	30 Sep 2025

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 Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,131,702

Rows available

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 Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend