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APTO

Aptose Biosciences, Inc.
APTO

Delisted

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

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12 hedge funds and large institutions have $12M invested in Aptose Biosciences, Inc. in 2015 Q3 according to their latest regulatory filings, with 0 funds opening new positions, 1 increasing their positions, 5 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

20% less funds holding

Funds holding: 15 → 12 (-3)

27% less capital invested

Capital invested by funds: $16.3M → $12M (-$4.36M)

80% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 5

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 3

Holders
12
Holders Change
-3
Holders Change %
-20%
% of All Funds
0.34%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
1
Reduced
5
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
TMC
Trellus Management Company
Florida
+$37.8K

Top Sellers

Rank Fund Capital Flow
1
SFM
Sphera Funds Management
Israel
-$1.42M
2
BI
BVF Inc
California
-$316K
3
DCM
DAFNA Capital Management
California
-$251K
4
Bank of Montreal
Bank of Montreal
Ontario, Canada
-$129K
5
SIM
Spark Investment Management
New York
-$61K
Name Holding Trade Value Shares
Change 		Change in
Stake
Franklin Resources
1
Franklin Resources
California
$6.16M – – –
CAM
2
Cormorant Asset Management
Massachusetts
$4.71M – – –
Bank of Montreal
3
Bank of Montreal
Ontario, Canada
$280K -$129K -58 -29%
BI
4
BVF Inc
California
$179K -$316K -142 -61%
BBA
5
Baker Bros. Advisors
New York
$144K – – –
TMC
6
Trellus Management Company
Florida
$125K +$37.8K +17 +35%
WMSA
7
Weiss Multi-Strategy Advisers
New York
$108K – – –
DCM
8
DAFNA Capital Management
California
$83K -$251K -113 -72%
Royal Bank of Canada
9
Royal Bank of Canada
Ontario, Canada
$72K – – –
KCM
10
Knoll Capital Management
Florida
$51K -$37.8K -17 -39%
TRCT
11
Tower Research Capital (TRC)
New York
$43K -$8.9K -4 -15%
Morgan Stanley
12
Morgan Stanley
New York
$3K – – –
SFM
13
Sphera Funds Management
Israel
– -$1.42M -491 Closed
SIM
14
Spark Investment Management
New York
– -$61K -27 Closed
Deutsche Bank
15
Deutsche Bank
Germany
– -$24K -11 Closed
1832 Asset Management
16
1832 Asset Management
Ontario, Canada
– -$1K – –

APTO Hedge Fund Activity: Q3 2015 in Review

12 of the 3,582 institutional investors tracked by Wall St. Rank reported a position in Aptose Biosciences, Inc. (APTO) for Q3 2015, worth a combined $12M — down 27% from $16.3M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of APTO and 0 opened new positions — a net loss of 3 holders — while 5 trimmed existing stakes and 1 added.

The largest buyer was Trellus Management Company, adding an estimated $37.8K. The largest seller was Sphera Funds Management, exiting entirely with an estimated $1.42M sold.

  • 12 institutional investors held Aptose Biosciences, Inc. (APTO) as of Q3 2015, down from 15 in Q2 2015.
  • Funds reported $12M of Aptose Biosciences, Inc. stock for Q3 2015, down 27% quarter-over-quarter.
  • 0 funds opened new Aptose Biosciences, Inc. positions in Q3 2015 and 3 closed out, a net change of -3 holders.
  • The largest Aptose Biosciences, Inc. buyer in Q3 2015 was Trellus Management Company, an estimated $37.8K added.
  • The largest Aptose Biosciences, Inc. seller in Q3 2015 was Sphera Funds Management, an estimated $1.42M sold.

Based on aggregated 13F filings for Q3 2015.