Quantbot Technologies LP

SEC CIK: 0001512991
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

APTO holding history

Aptose Biosciences Inc. in every 13F filed by Quantbot Technologies 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 (Q4 2021): 0; Sold out in Q4 2021
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q2 2021

Holdings of APTO by Quantbot Technologies LP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2021	0	$0	0.0%	−9,200−100.0%	Sold out	Holders
Q3 2021	9,200	$20.0K	<0.1%	+7,100+338.1%	Added	Holders
Q2 2021	2,100	$6.00K	<0.1%	+2,100	New	Holders