APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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54 hedge funds and large institutions have $39M invested in Aptose Biosciences, Inc. in 2022 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 11 increasing their positions, 16 reducing their positions, and 13 closing their positions.

Holders
54
Holders Change
-5
Holders Change %
-8.47%
% of All Funds
0.85%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
8
Increased
11
Reduced
16
Closed
13
Calls
$269K
Puts
$25K
Net Calls
+$244K
Net Calls Change
+$149K

Top Buyers

1
SMH
1
Sanders Morris Harris
Texas
$3.19M
2
PM
2
Precept Management
Texas
$309K
3
SPC
3
Sigma Planning Corp
Michigan
$1.08M
4
AC
4
Annandale Capital
Texas
$272K
5
CC
5
Carlson Capital
Texas
$2.13M

Top Sellers

1
6CM
1
683 Capital Management
New York
$0
2
Morgan Stanley
2
Morgan Stanley
New York
$1.17M
3
Man Group
3
Man Group
United Kingdom
$0
4
Millennium Management
4
Millennium Management
New York
$1.05M
5
NCM
5
Nantahala Capital Management
Connecticut
$9.96M
Name Market Value Shares Shares
Change 		Shares
Change %
DS
1
DRW Securities
Illinois
$12.1M 19,761 – –
NCM
2
Nantahala Capital Management
Connecticut
$9.96M 16,272 -627 -4%
SMH
3
Sanders Morris Harris
Texas
$3.19M 5,206 +847 +19%
CC
4
Carlson Capital
Texas
$2.13M 3,477 +366 +12%
Renaissance Technologies
5
Renaissance Technologies
New York
$1.33M 2,170 +75 +4%
Morgan Stanley
6
Morgan Stanley
New York
$1.17M 1,907 -1,020 -35%
SPC
7
Sigma Planning Corp
Michigan
$1.08M 1,758 +497 +39%
Millennium Management
8
Millennium Management
New York
$1.05M 1,723 -702 -29%
BNP Paribas Financial Markets
9
BNP Paribas Financial Markets
France
$933K 1,525 – –
Goldman Sachs
10
Goldman Sachs
New York
$907K 1,481 – –
PAWC
11
P.A.W. Capital
Connecticut
$768K 1,256 – –
VC
12
Voss Capital
Texas
$748K 1,222 – –
Two Sigma Investments
13
Two Sigma Investments
New York
$597K 975 -556 -36%
D.E. Shaw & Co
14
D.E. Shaw & Co
New York
$480K 784 +197 +34%
Two Sigma Advisers
15
Two Sigma Advisers
New York
$479K 782 +160 +26%
PM
16
Precept Management
Texas
$309K 504 +504 New
AC
17
Annandale Capital
Texas
$272K 444 +444 New
TWC
18
TD Waterhouse Canada
Ontario, Canada
$192K 245 – –
Group One Trading
19
Group One Trading
Illinois
$150K 245 -86 -26%
IC
20
Ikarian Capital
Texas
$147K 238 +11 +5%
WP
21
WealthShield Partners
North Carolina
$143K 233 – –
FAM
22
Formidable Asset Management
Ohio
$122K 200 +200 New
Dimensional Fund Advisors
23
Dimensional Fund Advisors
Texas
$93K 152 – –
CA
24
Cetera Advisors
Colorado
$83K 135 +63 +88%
GS
25
Gagnon Securities
New York
$70K 115 -15 -12%
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