APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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44 hedge funds and large institutions have $13.5M invested in Aptose Biosciences, Inc. in 2023 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 5 increasing their positions, 12 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
44
Holders Change
-3
Holders Change %
-6.38%
% of All Funds
0.7%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
5
Reduced
12
Closed
5
Calls
$8K
Puts
–
Net Calls
+$8K
Net Calls Change
-$24K

Top Buyers

1
SPC
Sigma Planning Corp
Michigan
$925K
2
Jane Street
Jane Street
New York
$7.63K
3
Morgan Stanley
Morgan Stanley
New York
$450K
4
UBS Group
UBS Group
Switzerland
$2.64K
5
JMF
Johnson Midwest Financial
Iowa
$1.46K

Top Sellers

1
NCM
Nantahala Capital Management
Connecticut
$3.19M
2
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
$7.49K
3
CC
Carlson Capital
Texas
$1.06M
4
Millennium Management
Millennium Management
New York
$37K
5
Renaissance Technologies
Renaissance Technologies
New York
$205K
Name Holding Trade Value Shares
Change 		Shares
Change %
SFA
26
Sequoia Financial Advisors
Ohio
$12.8K – – –
NDSI
27
Newman Dignan & Sheerar Inc
Rhode Island
$12.1K – – –
GG
28
Gleason Group
Kentucky
$11.7K – – –
WA
29
WealthTrust Axiom
Pennsylvania
$9.6K – – –
NFSG
30
Newbridge Financial Services Group
Florida
$9.28K – – –
Jane Street
31
Jane Street
New York
$7.63K +$7.63K +27 New
BNP Paribas Financial Markets
32
BNP Paribas Financial Markets
France
$7.49K -$212K -737 -97%
WAM
33
Warberg Asset Management
Illinois
$7.36K – – –
Royal Bank of Canada
34
Royal Bank of Canada
Ontario, Canada
$7K -$1.35K -5 -16%
PP
35
PDS Planning
Ohio
$6.4K – – –
Citadel Advisors
36
Citadel Advisors
Florida
$5.92K -$42.3K -150 -88%
Osaic Holdings
37
Osaic Holdings
Arizona
$4.05K – – –
HWM
38
HighMark Wealth Management
Minnesota
$2.89K – – –
UBS Group
39
UBS Group
Switzerland
$2.64K +$2.64K +9 New
Group One Trading
40
Group One Trading
Illinois
$2.46K -$19.1K -70 -89%
BHWM
41
Beaird Harris Wealth Management
Texas
$2.41K – – –
JMF
42
Johnson Midwest Financial
Iowa
$1.46K +$1.46K +5 New
Northwestern Mutual Wealth Management
43
Northwestern Mutual Wealth Management
Wisconsin
$1.28K – – –
FDCDDQ
44
Federation des caisses Desjardins du Quebec
Quebec, Canada
$921 – – –
National Bank of Canada
45
National Bank of Canada
Quebec, Canada
$21 -$21 – –
TA
46
TLS Advisors
Florida
– -$52K -199 Closed
SMH
47
Sanders Morris Harris
Texas
– -$14.7K -56 Closed
IAIM
48
International Assets Investment Management
Florida
– -$8.7K -33 Closed
Rockefeller Capital Management
49
Rockefeller Capital Management
New York
– -$2K -8 Closed
Bank of America
50
Bank of America
North Carolina
– -$290 -1 Closed
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