Aptose Biosciences Inc. - Common Shares (APTO)

Historical Holders from Q2 2023 to Q1 2025

Symbol
APTO
Type / Class
Equity / Common Shares
Shares outstanding
2.59M
All holders as of 31 Mar 2025
Q1 2025
Total 13F shares, excl. options
0
Holdings value
$0
Grand Portfolio weight change
0%
Number of holders
0
Number of sells
-20
Average Value change %
0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Aptose Biosciences Inc. - Common Shares (APTO)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ARMISTICE CAPITAL, LLC 4.99% $113K 1.03M Armistice Capital, LLC 31 Dec 2024
Bleichroeder LP 1.61% -78.2% $4.58K -$13.4K 41.7K -74.4% Bleichroeder LP 30 Jun 2025

Institutional Holders of Aptose Biosciences Inc. - Common Shares (APTO)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q1 0 $0 -$893K 0
2024 Q4 3.97M $893K -$204K $0.23 20
2024 Q3 3.23M $1.33M +$214K $0.41 22
2024 Q2 2.71M $2.06M +$1.28M $0.76 21
2024 Q1 978K $1.62M -$345K $1.66 20
2023 Q4 1.12M $2.84M +$82.8K $2.54 27
2023 Q3 1.08M $3.01M +$254K $2.80 24
2023 Q2 952K $4.42M +$4.42M $4.64 22