APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

APTO was delisted on the 1st of April, 2025.

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20 hedge funds and large institutions have $5.91M invested in Aptose Biosciences, Inc. in 2018 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
20
Holders Change
+3
Holders Change %
+17.65%
% of All Funds
0.45%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
5
Increased
3
Reduced
5
Closed
2
Calls
$22K
Puts
–
Net Calls
+$22K
Net Calls Change
-$47K

Top Buyers

1
DS
DRW Securities
Illinois
$4.72M
2
Geode Capital Management
Geode Capital Management
Massachusetts
$33K
3
NFG
Noven Financial Group
Colorado
$27K
4
UBS Group
UBS Group
Switzerland
$22K
5
PFGIA
Patriot Financial Group Insurance Agency
Massachusetts
$110K

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$0
2
Deutsche Bank
Deutsche Bank
Germany
$3K
3
Morgan Stanley
Morgan Stanley
New York
$720K
4
Citadel Advisors
Citadel Advisors
Florida
$35K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$32K
Name Holding Trade Value Shares
Change 		Shares
Change %
DS
1
DRW Securities
Illinois
$4.72M +$4.3M +5,007 +1,024%
Morgan Stanley
2
Morgan Stanley
New York
$720K -$97.3K -113 -12%
PFGIA
3
Patriot Financial Group Insurance Agency
Massachusetts
$110K +$11.2K +13 +11%
US Bancorp
4
US Bancorp
Minnesota
$58K – – –
AA
5
Antipodean Advisors
New York
$48K – – –
Two Sigma Advisers
6
Two Sigma Advisers
New York
$38K – – –
Citadel Advisors
7
Citadel Advisors
Florida
$35K -$56.3K -66 -62%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$33K +$33K +39 New
Susquehanna International Group
9
Susquehanna International Group
Pennsylvania
$32K -$26.8K -31 -46%
Royal Bank of Canada
10
Royal Bank of Canada
Ontario, Canada
$28K -$9.63K -11 -26%
NFG
11
Noven Financial Group
Colorado
$27K +$27K +31 New
UBS Group
12
UBS Group
Switzerland
$22K +$22K +25 New
Bank of Montreal
13
Bank of Montreal
Ontario, Canada
$11K – – –
LTFS
14
Ladenburg Thalmann Financial Services
Florida
$11K – – –
FDCDDQ
15
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.24K – – –
Deutsche Bank
16
Deutsche Bank
Germany
$3K -$278K -371 -99%
GCM
17
Gables Capital Management
Florida
$2K – – –
Bank of America
18
Bank of America
North Carolina
$2K +$1K +1 +100%
Toronto Dominion Bank
19
Toronto Dominion Bank
Ontario, Canada
$1K +$1K +1 New
Simplex Trading
20
Simplex Trading
Illinois
$1K +$1K +2 New
Renaissance Technologies
21
Renaissance Technologies
New York
– -$477K -408 Closed
TRCT
22
Tower Research Capital (TRC)
New York
– -$6K -5 Closed