APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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63 hedge funds and large institutions have $148M invested in Aptose Biosciences, Inc. in 2021 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 18 increasing their positions, 16 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
63
Holders Change
-7
Holders Change %
-10%
% of All Funds
1.1%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
10
Increased
18
Reduced
16
Closed
17
Calls
$447K
Puts
$516K
Net Calls
-$69K
Net Calls Change
-$1.39M

Top Buyers

1
6CM
1
683 Capital Management
New York
$7.27M
2
FLAM
2
First Light Asset Management
Minnesota
$13.7M
3
SMH
3
Sanders Morris Harris
Texas
$3.08M
4
DS
4
DRW Securities
Illinois
$28.1M
5
Group One Trading
5
Group One Trading
Illinois
$508K

Top Sellers

1
PAMU
1
Pictet Asset Management (UK)
United Kingdom
$0
2
VA
2
VR Adviser
New York
$0
3
ABG
3
Ally Bridge Group
New York
$0
4
WP
4
Woodline Partners
California
$780K
5
SI
5
Sofinnova Investments
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
CAPTRUST Financial Advisors
51
CAPTRUST Financial Advisors
North Carolina
$21K – – –
HWM
52
HighMark Wealth Management
Minnesota
$17K +$17K +11 New
Wells Fargo
53
Wells Fargo
California
$12K +$4.5K +3 +60%
Osaic Holdings
54
Osaic Holdings
Arizona
$11K – – –
PNC Financial Services Group
55
PNC Financial Services Group
Pennsylvania
$10K – – –
PCH
56
Polar Capital Holdings
United Kingdom
$8.58K +$2.49K +1,667 +41%
Northwestern Mutual Wealth Management
57
Northwestern Mutual Wealth Management
Wisconsin
$7K – – –
QT
58
Quantbot Technologies
New York
$6K +$6K +5 New
FDCDDQ
59
Federation des caisses Desjardins du Quebec
Quebec, Canada
$5.34K – – –
CL
60
CSS LLC
Illinois
$5K -$26.7K -16 -84%
GCM
61
Gables Capital Management
Florida
$5K – – –
Rockefeller Capital Management
62
Rockefeller Capital Management
New York
$5K – – –
JPMorgan Chase & Co
63
JPMorgan Chase & Co
New York
$1K -$1K – –
Toronto Dominion Bank
64
Toronto Dominion Bank
Ontario, Canada
$1K – – –
PAMU
65
Pictet Asset Management (UK)
United Kingdom
– -$16.1M -5,977 Closed
VA
66
VR Adviser
New York
– -$9.59M -3,568 Closed
ABG
67
Ally Bridge Group
New York
– -$8.42M -3,131 Closed
SI
68
Sofinnova Investments
California
– -$4.16M -1,549 Closed
Marshall Wace
69
Marshall Wace
United Kingdom
– -$3.97M -1,477 Closed
ECM
70
Endurant Capital Management
California
– -$3.09M -1,150 Closed
SCM
71
Silverarc Capital Management
Massachusetts
– -$598K -222 Closed
EP
72
Eversept Partners
New York
– -$478K -178 Closed
WHG
73
Westwood Holdings Group
Texas
– -$448K -167 Closed
SCM
74
Sio Capital Management
New York
– -$246K -91 Closed
MWNA
75
Marshall Wace North America
New York
– -$201K -75 Closed
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