APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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19 hedge funds and large institutions have $819K invested in Aptose Biosciences, Inc. in 2017 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 4 increasing their positions, 5 reducing their positions, and 2 closing their positions.

Holders
19
Holders Change
+4
Holders Change %
+26.67%
% of All Funds
0.43%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
4
Reduced
5
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BIP
1
Brandes Investment Partners
California
$95K
2
DS
2
DRW Securities
Illinois
$90K
3
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$100K
4
Deutsche Bank
4
Deutsche Bank
Germany
$66K
5
VF
5
Virtu Financial
New York
$55K

Top Sellers

1
Jane Street
1
Jane Street
New York
$0
2
Royal Bank of Canada
2
Royal Bank of Canada
Ontario, Canada
$45K
3
Bank of Montreal
3
Bank of Montreal
Ontario, Canada
$20K
4
Renaissance Technologies
4
Renaissance Technologies
New York
$59K
5
TRCT
5
Tower Research Capital (TRC)
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Morgan Stanley
1
Morgan Stanley
New York
$132K 58,828 +22,496 +62%
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$100K 44,421 +33,766 +317%
BIP
3
Brandes Investment Partners
California
$95K 42,400 +42,400 New
DS
4
DRW Securities
Illinois
$90K 40,000 +40,000 New
US Bancorp
5
US Bancorp
Minnesota
$68K 30,300 – –
Deutsche Bank
6
Deutsche Bank
Germany
$66K 29,701 +29,700 New
Renaissance Technologies
7
Renaissance Technologies
New York
$59K 26,800 -4,400 -14%
VF
8
Virtu Financial
New York
$55K 24,771 +24,771 New
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$49K 21,784 +21,784 New
Royal Bank of Canada
10
Royal Bank of Canada
Ontario, Canada
$45K 20,193 -8,793 -30%
Bank of Montreal
11
Bank of Montreal
Ontario, Canada
$20K 8,922 -5,834 -40%
FDCDDQ
12
Federation des caisses Desjardins du Quebec
Quebec, Canada
$14.1K 6,522 -31 -0.5%
MOS
13
MGO One Seven
Ohio
$13K 6,000 +6,000 New
UBS Group
14
UBS Group
Switzerland
$10K 4,257 +1,950 +85%
Parallax Volatility Advisers
15
Parallax Volatility Advisers
California
$3K 1,375 – –
Jane Street
16
Jane Street
New York
– – -12,943 Closed
TRCT
17
Tower Research Capital (TRC)
New York
$0 100 -1,900 Closed
Bank of America
18
Bank of America
North Carolina
– – -300 Closed
Citigroup
19
Citigroup
New York
$0 2 – –
SFG
20
SevenBridge Financial Group
Pennsylvania
$0 1 – –
Toronto Dominion Bank
21
Toronto Dominion Bank
Ontario, Canada
$0 23 +23 –