Form 13-F position report

APTOSE BIOSCIENCES INC

Reported by MORGAN STANLEY

Company profile Manager portfolio Source filing
APTOF CUSIP 03835T408 Manager CIK 0000895421
Latest reported change

Reported 0 shares, down 101 (100.0%) from the prior quarter.

Reported value -100.0%; share count -100.0% vs. the prior quarter.

Reduced
% of reported 13F value 0 This manager · Q2 2025
Shares 0 Quarter-end amount reported
Reported value $0 Fair value at quarter end
Consecutive quarters held 2 Through Q2 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

2 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q2 2025 Reduced 0 -101 (-100.0%) 0 $0 2025-08-15
Q1 2025 New 101 +101 (0.0%) < 0.01% $318 2025-05-15
Institutional context

Who else reported the position

19 managers reported APTOSE BIOSCIENCES INC for Q2 2025.

Manager Activity Shares Change % of reported 13F Reported value Tenure
DRW Securities LLC New 19,761 +19,761 < 0.01% $17,148 1 qtr
Gleason Group Inc Added 4,206 +4,166 < 0.01% $3,554 2 qtrs
TD Waterhouse Canada Inc Unchanged 22 0 < 0.01% $19 2 qtrs
CALDWELL SUTTER CAPITAL INC New 2 +2 < 0.01% $2 1 qtr
Newbridge Financial Services Group Inc Reduced 0 -26 0 $0 2 qtrs
ROYAL BANK OF CANADA Reduced 0 -1,351 0 $0 2 qtrs
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO Reduced 0 -2,060 0 $0 2 qtrs
CONCOURSE FINANCIAL GROUP SECURITIES INC Unchanged 0 0 0 $0 2 qtrs
Federation des caisses Desjardins du Quebec Reduced 0 -103 0 $0 2 qtrs
HighMark Wealth Management LLC Reduced 0 -9 0 $0 2 qtrs
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Filing details and methodology As reported
Report period
June 30, 2025
Filed
August 15, 2025
Filing type
13F-HR
Position type
COM NEW

Voting authority reported

No voting-authority amounts were reported for this position. Voting authority is not required for reported call options.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.