APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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28 hedge funds and large institutions have $3.25M invested in Aptose Biosciences, Inc. in 2023 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 2 closing their positions.

Holders
28
Holders Change
+3
Holders Change %
+12%
% of All Funds
0.45%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
3
Reduced
5
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
SPC
1
Sigma Planning Corp
Michigan
$408K
2
AC
2
Annandale Capital
Texas
$209K
3
Citadel Advisors
3
Citadel Advisors
Florida
$48.6K
4
CA
4
Cetera Advisors
Colorado
$42K
5
Toronto Dominion Bank
5
Toronto Dominion Bank
Ontario, Canada
$12.9K

Top Sellers

1
Goldman Sachs
1
Goldman Sachs
New York
$0
2
VC
2
Voss Capital
Texas
$0
3
NCM
3
Nantahala Capital Management
Connecticut
$382K
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$2K
5
Morgan Stanley
5
Morgan Stanley
New York
$131K
Name Market Value Shares Shares
Change 		Shares
Change %
DS
1
DRW Securities
Illinois
$1.66M 592,829 – –
SPC
2
Sigma Planning Corp
Michigan
$408K 145,786 +145,786 New
NCM
3
Nantahala Capital Management
Connecticut
$382K 136,483 -9,749 -7%
CC
4
Carlson Capital
Texas
$299K 106,666 – –
AC
5
Annandale Capital
Texas
$209K 74,666 +21,334 +40%
Morgan Stanley
6
Morgan Stanley
New York
$131K 46,904 -178 -0.4%
Citadel Advisors
7
Citadel Advisors
Florida
$48.6K 17,353 +17,353 New
CA
8
Cetera Advisors
Colorado
$42K 14,996 +14,996 New
TWC
9
TD Waterhouse Canada
Ontario, Canada
$27.8K 7,345 – –
Toronto Dominion Bank
10
Toronto Dominion Bank
Ontario, Canada
$12.9K 4,599 +4,599 New
US Bancorp
11
US Bancorp
Minnesota
$5.66K 2,020 – –
Wells Fargo
12
Wells Fargo
California
$4.79K 1,712 – –
Bank of America
13
Bank of America
North Carolina
$3.92K 1,400 +1,300 +1,300%
GG
14
Gleason Group
Kentucky
$3.41K 1,216 – –
NFSG
15
Newbridge Financial Services Group
Florida
$2.33K 832 -133 -14%
Royal Bank of Canada
16
Royal Bank of Canada
Ontario, Canada
$2K 719 -807 -53%
Osaic Holdings
17
Osaic Holdings
Arizona
$1.18K 420 – –
HWM
18
HighMark Wealth Management
Minnesota
$840 300 – –
BHWM
19
Beaird Harris Wealth Management
Texas
$700 250 – –
TRCT
20
Tower Research Capital (TRC)
New York
$526 188 +159 +548%
JMF
21
Johnson Midwest Financial
Iowa
$423 151 – –
Northwestern Mutual Wealth Management
22
Northwestern Mutual Wealth Management
Wisconsin
$372 133 – –
Group One Trading
23
Group One Trading
Illinois
$322 115 – –
FDCDDQ
24
Federation des caisses Desjardins du Quebec
Quebec, Canada
$285 102 – –
CSC
25
Caldwell Sutter Capital
California
$258 92 – –
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