APTO

Aptose Biosciences, Inc.

Delisted

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

56 hedge funds and large institutions have $174M invested in Aptose Biosciences, Inc. in 2019 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 11 increasing their positions, 7 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
56
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.41M
Puts
$918K
Net Calls
Net Calls Change

Top Buyers

1 +$27.1M
2 +$19.1M
3 +$10.1M
4
O
OrbiMed
New York
+$6.52M
5
DCM
Driehaus Capital Management
Illinois
+$5.51M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$34.3M
2
$27.1M
3
$23.2M
4
$21M
5
$6.52M
6
$5.72M
7
$5.51M
8
$4.71M
9
$4.37M
10
$3.86M
11
$3.69M
12
$3.65M
13
$3.45M
14
$2.97M
15
$2.57M
16
$2.55M
17
$2.54M
18
$1.73M
19
$1.71M
20
$1.34M
21
$1.27M
22
$1.25M
23
$1.14M
24
$978K
25
$736K