APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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48 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, 13 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
48
Holders Change
-4
Holders Change %
-7.69%
% of All Funds
0.81%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
5
Increased
7
Reduced
13
Closed
9
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 Holding Trade Value Shares
Change 		Shares
Change %
WP
51
WealthShield Partners
North Carolina
– -$143K -233 Closed
FAM
52
Formidable Asset Management
Ohio
– -$122K -200 Closed
NDSI
53
Newman Dignan & Sheerar Inc
Rhode Island
– -$26 -42 Closed
CIBC World Market
54
CIBC World Market
Ontario, Canada
– -$17K -27 Closed
BFM
55
Boothbay Fund Management
New York
– -$14K -23 Closed
Citigroup
56
Citigroup
New York
– -$3K -4 Closed
UBS Group
57
UBS Group
Switzerland
– -$2K -3 Closed
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