APTOSE BIOSCIENCES INC

Historical 13F Holders

Symbol
APTO
CUSIP
03835T309
All holders as of
Q4 2024
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 03835T309 since 12/18/2024, newest first.

Filer % of Class Filed
Bleichroeder LP 13G/A Amendment 4
1.6% 8/14/2025
Event 6/30/2025
Bleichroeder LP 13G/A Amendment 3
6.3% 5/13/2025
Event 3/31/2025
Bleichroeder LP 13G/A Amendment 2
7.5% 3/24/2025
Event 3/24/2025
Bleichroeder LP 13G/A Amendment 1
6.2% 3/21/2025
Event 3/19/2025
Armistice Capital, LLC 13G/A Amendment 1
4.99% 2/14/2025
Event 12/31/2024
Bleichroeder LP 13G
6.2% 2/13/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2024 Q4 26 3.97 M $893 k
2024 Q3 26 3.23 M $1.33 M
2024 Q2 27 2.82 M $2.14 M
2024 Q1 28 1.05 M $1.75 M
2023 Q4 30 1.33 M $3.37 M
2023 Q3 28 1.09 M $3.05 M
2023 Q2 24 959 k $4.46 M