APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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52 hedge funds and large institutions have $18.8M invested in Aptose Biosciences, Inc. in 2022 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 17 reducing their positions, and 7 closing their positions.

Holders
52
Holders Change
-2
Holders Change %
-3.7%
% of All Funds
0.88%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
5
Increased
7
Reduced
17
Closed
7
Calls
$158K
Puts
$6K
Net Calls
+$152K
Net Calls Change
-$92K

Top Buyers

1
CC
1
Carlson Capital
Texas
$1.42M
2
AC
2
Annandale Capital
Texas
$290K
3
VC
3
Voss Capital
Texas
$519K
4
Morgan Stanley
4
Morgan Stanley
New York
$697K
5
SPC
5
Sigma Planning Corp
Michigan
$625K

Top Sellers

1
SMH
1
Sanders Morris Harris
Texas
$812K
2
Millennium Management
2
Millennium Management
New York
$108K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$324K
4
PM
4
Precept Management
Texas
$0
5
Two Sigma Investments
5
Two Sigma Investments
New York
$55K
Name Market Value Shares Shares
Change 		Shares
Change %
DS
1
DRW Securities
Illinois
$6.6M 8,892,437 – –
NCM
2
Nantahala Capital Management
Connecticut
$5.37M 7,232,676 -89,513 -1%
CC
3
Carlson Capital
Texas
$1.42M 1,907,500 +342,800 +22%
SMH
4
Sanders Morris Harris
Texas
$812K 1,024,215 -1,318,479 -56%
Morgan Stanley
5
Morgan Stanley
New York
$697K 938,717 +80,433 +9%
SPC
6
Sigma Planning Corp
Michigan
$625K 842,174 +50,900 +6%
VC
7
Voss Capital
Texas
$519K 700,010 +150,010 +27%
Goldman Sachs
8
Goldman Sachs
New York
$495K 666,607 – –
PAWC
9
P.A.W. Capital
Connecticut
$419K 565,000 – –
Renaissance Technologies
10
Renaissance Technologies
New York
$324K 437,134 -539,443 -55%
AC
11
Annandale Capital
Texas
$290K 390,894 +190,894 +95%
BNP Paribas Financial Markets
12
BNP Paribas Financial Markets
France
$254K 342,186 -343,872 -50%
Two Sigma Advisers
13
Two Sigma Advisers
New York
$131K 176,000 -175,900 -50%
TWC
14
TD Waterhouse Canada
Ontario, Canada
$112K 110,195 – –
Millennium Management
15
Millennium Management
New York
$108K 145,627 -629,587 -81%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$58K 78,252 -274,342 -78%
Group One Trading
17
Group One Trading
Illinois
$58K 78,027 -32,324 -29%
Two Sigma Investments
18
Two Sigma Investments
New York
$55K 74,632 -364,256 -83%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$51K 68,399 – –
CA
20
Cetera Advisors
Colorado
$46K 61,980 +1,085 +2%
GS
21
Gagnon Securities
New York
$38K 51,706 – –
TSS
22
Two Sigma Securities
New York
$26K 34,510 +34,510 New
Geode Capital Management
23
Geode Capital Management
Massachusetts
$24K 32,455 – –
US Bancorp
24
US Bancorp
Minnesota
$22K 30,300 – –
Citadel Advisors
25
Citadel Advisors
Florida
$20K 26,873 +14,756 +122%
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