APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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18 hedge funds and large institutions have $16.3M invested in Aptose Biosciences, Inc. in 2015 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 4 increasing their positions, 3 reducing their positions, and 1 closing their positions.

Holders
18
Holders Change
+4
Holders Change %
+28.57%
% of All Funds
0.49%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
4
Reduced
3
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
SFM
1
Sphera Funds Management
Israel
$1.42M
2
DCM
2
DAFNA Capital Management
California
$359K
3
TMC
3
Trellus Management Company
Florida
$109K
4
SIM
4
Spark Investment Management
New York
$61K
5
TRCT
5
Tower Research Capital (TRC)
New York
$59K

Top Sellers

1
BI
1
BVF Inc
California
$538K
2
Bank of Montreal
2
Bank of Montreal
Ontario, Canada
$466K
3
Royal Bank of Canada
3
Royal Bank of Canada
Ontario, Canada
$87K
4
Bank of America
4
Bank of America
North Carolina
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Franklin Resources
1
Franklin Resources
California
$7.26M 1,416,666 – –
CAM
2
Cormorant Asset Management
Massachusetts
$5.54M 1,081,867 – –
SFM
3
Sphera Funds Management
Israel
$1.42M 221,096 +221,096 New
BI
4
BVF Inc
California
$538K 105,429 -61,235 -37%
Bank of Montreal
5
Bank of Montreal
Ontario, Canada
$466K 91,363 -25,831 -22%
DCM
6
DAFNA Capital Management
California
$359K 70,396 +48,107 +216%
BBA
7
Baker Bros. Advisors
New York
$170K 33,397 – –
WMSA
8
Weiss Multi-Strategy Advisers
New York
$128K 25,000 – –
TMC
9
Trellus Management Company
Florida
$109K 21,400 +21,400 New
KCM
10
Knoll Capital Management
Florida
$102K 20,000 – –
Royal Bank of Canada
11
Royal Bank of Canada
Ontario, Canada
$87K 17,107 -8,177 -32%
SIM
12
Spark Investment Management
New York
$61K 12,000 +12,000 New
TRCT
13
Tower Research Capital (TRC)
New York
$59K 11,502 +3,348 +41%
Deutsche Bank
14
Deutsche Bank
Germany
$24K 4,787 +640 +15%
Morgan Stanley
15
Morgan Stanley
New York
$3K 621 +1 +0.2%
1832 Asset Management
16
1832 Asset Management
Ontario, Canada
$1K 100 +100 –
Bank of America
17
Bank of America
North Carolina
– – -700 Closed
Citigroup
18
Citigroup
New York
$0 2 – –
Toronto Dominion Bank
19
Toronto Dominion Bank
Ontario, Canada
$0 76 +76 –