Bleichroeder LP

SEC CIK: 0001781002
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

APTO holding history

Aptose Biosciences Inc. in every 13F filed by Bleichroeder LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

APTO overview All 13F holders of APTO Full Q2 2026 holdings

Shares (Q2 2025): 0; Sold out in Q2 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q4 2024

Holdings of APTO by Bleichroeder LP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2025	0	$0	0.0%	−121,366−100.0%	Sold out	Holders
Q1 2025	121,366	$382.3K	0.1%	−2,378,634−95.1%	Reduced	Holders
Q4 2024	2,500,000	$563.3K	0.1%	+2,500,000	New	Holders