APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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29 hedge funds and large institutions have $3.25M invested in Aptose Biosciences, Inc. in 2023 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 7 increasing their positions, 5 reducing their positions, and 2 closing their positions.

Holders
29
Holders Change
+1
Holders Change %
+3.57%
% of All Funds
0.43%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
7
Reduced
5
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$454K
2
Citadel Advisors
2
Citadel Advisors
Florida
$155K
3
TSS
3
Two Sigma Securities
New York
$39.3K
4
TCBWMS
4
Texas Capital Bank Wealth Management Services
Texas
$31.6K
5
CA
5
Cetera Advisors
Colorado
$61.1K

Top Sellers

1
SPC
1
Sigma Planning Corp
Michigan
$192K
2
NCM
2
Nantahala Capital Management
Connecticut
$305K
3
CC
3
Carlson Capital
Texas
$246K
4
Toronto Dominion Bank
4
Toronto Dominion Bank
Ontario, Canada
$0
5
Bank of America
5
Bank of America
North Carolina
$254
Name Market Value Shares Shares
Change 		Shares
Change %
DS
1
DRW Securities
Illinois
$1.51M 592,829 – –
Morgan Stanley
2
Morgan Stanley
New York
$454K 178,922 +132,018 +281%
NCM
3
Nantahala Capital Management
Connecticut
$305K 120,132 -16,351 -12%
CC
4
Carlson Capital
Texas
$246K 96,666 -10,000 -9%
SPC
5
Sigma Planning Corp
Michigan
$192K 75,477 -70,309 -48%
AC
6
Annandale Capital
Texas
$188K 74,666 – –
Citadel Advisors
7
Citadel Advisors
Florida
$155K 61,875 +44,522 +257%
CA
8
Cetera Advisors
Colorado
$61.1K 24,355 +9,359 +62%
TSS
9
Two Sigma Securities
New York
$39.3K 15,488 +15,488 New
TCBWMS
10
Texas Capital Bank Wealth Management Services
Texas
$31.6K 12,448 +12,448 New
TWC
11
TD Waterhouse Canada
Ontario, Canada
$22.3K 7,345 – –
UBS Group
12
UBS Group
Switzerland
$19.3K 7,604 +7,601 +253,367%
Royal Bank of Canada
13
Royal Bank of Canada
Ontario, Canada
$17K 6,749 +6,030 +839%
US Bancorp
14
US Bancorp
Minnesota
$5.13K 2,020 – –
GG
15
Gleason Group
Kentucky
$3.09K 1,216 – –
NFSG
16
Newbridge Financial Services Group
Florida
$2.11K 832 – –
Osaic Holdings
17
Osaic Holdings
Arizona
$1.07K 420 – –
Northwestern Mutual Wealth Management
18
Northwestern Mutual Wealth Management
Wisconsin
$810 319 +186 +140%
HWM
19
HighMark Wealth Management
Minnesota
$762 300 – –
BHWM
20
Beaird Harris Wealth Management
Texas
$635 250 – –
Group One Trading
21
Group One Trading
Illinois
$289 115 – –
Bank of America
22
Bank of America
North Carolina
$254 100 -1,300 -93%
FDCDDQ
23
Federation des caisses Desjardins du Quebec
Quebec, Canada
$246 102 – –
CSC
24
Caldwell Sutter Capital
California
$234 92 – –
Wells Fargo
25
Wells Fargo
California
$117 46 -1,666 -97%
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