APTO

Aptose Biosciences, Inc.
APTO

Overview Fund Activity
Delisted

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

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30 hedge funds and large institutions have $31.1M invested in Aptose Biosciences, Inc. in 2019 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 10 increasing their positions, 3 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
30
Holders Change
+8
Holders Change %
+36.36%
% of All Funds
0.65%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
10
Reduced
3
Closed
4
Calls
$5K
Puts
$130K
Net Calls
-$125K
Net Calls Change
-$175K

Top Buyers

1
NCM
1
Nantahala Capital Management
Connecticut
$8.91M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.74M
3
Man Group
3
Man Group
United Kingdom
$3.87M
4
DS
4
DRW Securities
Illinois
$8.74M
5
SPC
5
Sigma Planning Corp
Michigan
$572K

Top Sellers

1
VF
1
Virtu Financial
New York
$94K
2
Citadel Advisors
2
Citadel Advisors
Florida
$0
3
NFG
3
Noven Financial Group
Colorado
$0
4
Jane Street
4
Jane Street
New York
$0
5
TSS
5
Two Sigma Securities
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
NCM
1
Nantahala Capital Management
Connecticut
$8.91M +$8.74M +7,444 +5,394%
DS
2
DRW Securities
Illinois
$8.74M +$2.06M +1,753 +31%
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$5.74M +$5.74M +4,889 New
Man Group
4
Man Group
United Kingdom
$3.87M +$3.87M +3,292 New
Morgan Stanley
5
Morgan Stanley
New York
$824K +$141K +120 +21%
SMH
6
Sanders Morris Harris
Texas
$572K +$572K +480 New
SPC
7
Sigma Planning Corp
Michigan
$572K +$572K +487 New
PVI
8
Pura Vida Investments
New York
$392K +$392K +333 New
RCG
9
Rock Creek Group
District of Columbia
$255K +$255K +217 New
PFGIA
10
Patriot Financial Group Insurance Agency
Massachusetts
$221K +$16.4K +14 +8%
GS
11
Gagnon Securities
New York
$146K +$146K +124 New
Susquehanna International Group
12
Susquehanna International Group
Pennsylvania
$120K +$92.9K +79 +343%
Two Sigma Advisers
13
Two Sigma Advisers
New York
$118K +$67.8K +58 +135%
VF
14
Virtu Financial
New York
$94K -$165K -140 -64%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$84K +$38.5K +33 +85%
US Bancorp
16
US Bancorp
Minnesota
$79K – – –
Squarepoint
17
Squarepoint
New York
$78K +$2.36K +2 +3%
BFM
18
Boothbay Fund Management
New York
$77K +$77K +66 New
Renaissance Technologies
19
Renaissance Technologies
New York
$56K +$56K +48 New
BA
20
Boston Advisors
Massachusetts
$47K – – –
Ameriprise
21
Ameriprise
Minnesota
$37K +$37K +31 New
Royal Bank of Canada
22
Royal Bank of Canada
Ontario, Canada
$30K -$8.4K -7 -22%
Simplex Trading
23
Simplex Trading
Illinois
$30K +$24.2K +21 +420%
Bank of Montreal
24
Bank of Montreal
Ontario, Canada
$15K – – –
UBS Group
25
UBS Group
Switzerland
$8K +$6.86K +6 +600%
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