APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

Back to rankings

65 hedge funds and large institutions have $214M invested in Aptose Biosciences, Inc. in 2020 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 18 increasing their positions, 18 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
65
Holders Change
+1
Holders Change %
+1.56%
% of All Funds
1.15%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.05%
New
17
Increased
18
Reduced
18
Closed
14
Calls
$1.59M
Puts
$463K
Net Calls
+$1.12M
Net Calls Change
-$288K

Top Buyers

1
O
OrbiMed
New York
$35.2M
2
DS
DRW Securities
Illinois
$34.9M
3
EAM
Eventide Asset Management
Massachusetts
$10.1M
4
SI
Sofinnova Investments
California
$4.3M
5
FLAM
First Light Asset Management
Minnesota
$3.68M

Top Sellers

1
CCM
Consonance Capital Management
New York
$0
2
Point72 Asset Management
Point72 Asset Management
Connecticut
$77K
3
Citadel Advisors
Citadel Advisors
Florida
$409K
4
OM
Opaleye Management
Massachusetts
$3.5M
5
WP
Woodline Partners
California
$4.21M
Name Holding Trade Value Shares
Change 		Shares
Change %
CC
26
Carlson Capital
Texas
$1.1M +$1.1M +556 New
Millennium Management
27
Millennium Management
New York
$871K +$108K +55 +14%
Man Group
28
Man Group
United Kingdom
$789K +$373K +189 +90%
PFGIA
29
Patriot Financial Group Insurance Agency
Massachusetts
$741K +$108K +55 +17%
Marshall Wace
30
Marshall Wace
United Kingdom
$451K +$451K +229 New
BIM
31
Bogle Investment Management
Massachusetts
$412K +$412K +209 New
Citadel Advisors
32
Citadel Advisors
Florida
$409K -$6.23M -3,153 -94%
GS
33
Gagnon Securities
New York
$408K +$39.4K +20 +11%
WHG
34
Westwood Holdings Group
Texas
$329K – – –
APP
35
Alpha Paradigm Partners
Illinois
$303K +$303K +154 New
DAM
36
Doheny Asset Management
California
$278K -$108K -55 -28%
Geode Capital Management
37
Geode Capital Management
Massachusetts
$258K +$57.1K +29 +28%
Renaissance Technologies
38
Renaissance Technologies
New York
$232K -$779K -396 -77%
Susquehanna International Group
39
Susquehanna International Group
Pennsylvania
$229K -$67.1K -34 -23%
AC
40
Apogem Capital
New York
$221K +$221K +112 New
AI
41
Atom Investors
Texas
$158K -$1.67M -847 -91%
US Bancorp
42
US Bancorp
Minnesota
$133K – – –
RJA
43
Raymond James & Associates
Florida
$132K – – –
Bank of Montreal
44
Bank of Montreal
Ontario, Canada
$99K +$46.3K +22 +88%
Point72 Asset Management
45
Point72 Asset Management
Connecticut
$77K -$8.99M -4,554 -99%
JAWM
46
J. Arnold Wealth Management
Ohio
$68K -$9.71K -5 -13%
NFSG
47
Newbridge Financial Services Group
Florida
$64K +$22K +11 +52%
Royal Bank of Canada
48
Royal Bank of Canada
Ontario, Canada
$58K -$26K -13 -31%
Squarepoint
49
Squarepoint
New York
$57K +$57K +29 New
Qube Research & Technologies (QRT)
50
Qube Research & Technologies (QRT)
United Kingdom
$53K +$53K +27 New
1
2
3 4