APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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26 hedge funds and large institutions have $897K invested in Aptose Biosciences, Inc. in 2024 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 1 increasing their positions, 6 reducing their positions, and 5 closing their positions.

Holders
26
Holders Change
–
Holders Change %
0%
% of All Funds
0.35%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
1
Reduced
6
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BL
1
Bleichroeder LP
New York
$563K
2
SPC
2
Sigma Planning Corp
Michigan
$158K
3
HF
3
HRT Financial
New York
$9K
4
NFG
4
Nations Financial Group
Iowa
$4.39K

Top Sellers

1
AC
1
Armistice Capital
New York
$0
2
NCM
2
Nantahala Capital Management
Connecticut
$0
3
UBS Group
3
UBS Group
Switzerland
$13K
4
Morgan Stanley
4
Morgan Stanley
New York
$1.24K
5
TCBWMS
5
Texas Capital Bank Wealth Management Services
Texas
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BL
1
Bleichroeder LP
New York
$563K 83,333 +83,333 New
SPC
2
Sigma Planning Corp
Michigan
$158K 23,446 +10,054 +75%
DS
3
DRW Securities
Illinois
$134K 19,761 – –
UBS Group
4
UBS Group
Switzerland
$13K 1,928 -2,521 -57%
HF
5
HRT Financial
New York
$9K 1,437 +1,437 New
AC
6
Annandale Capital
Texas
$6K 889 – –
Cetera Investment Advisers
7
Cetera Investment Advisers
Illinois
$4.4K 640 – –
NFG
8
Nations Financial Group
Iowa
$4.39K 650 +650 New
TSS
9
Two Sigma Securities
New York
$2.57K 380 -634 -63%
Morgan Stanley
10
Morgan Stanley
New York
$1.24K 183 -862 -82%
US Bancorp
11
US Bancorp
Minnesota
$455 67 – –
GG
12
Gleason Group
Kentucky
$274 41 – –
NFSG
13
Newbridge Financial Services Group
Florida
$187 28 – –
TWC
14
TD Waterhouse Canada
Ontario, Canada
$154 23 – –
Osaic Holdings
15
Osaic Holdings
Arizona
$95 14 – –
HWM
16
HighMark Wealth Management
Minnesota
$68 10 – –
Northwestern Mutual Wealth Management
17
Northwestern Mutual Wealth Management
Wisconsin
$30 4 – –
SS
18
SBI Securities
Japan
$30 5 +5 New
Group One Trading
19
Group One Trading
Illinois
$26 4 – –
FDCDDQ
20
Federation des caisses Desjardins du Quebec
Quebec, Canada
$23 3 – –
CSC
21
Caldwell Sutter Capital
California
$21 3 – –
SPIA
22
Steward Partners Investment Advisory
New York
– – – –
PCWA
23
Pacific Capital Wealth Advisors
California
– – – –
AC
24
Armistice Capital
New York
– – -62,933 Closed
NCM
25
Nantahala Capital Management
Connecticut
– – -2,578 Closed
1
2