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APTO

Aptose Biosciences, Inc.
APTO

Delisted

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

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11 hedge funds and large institutions have $6.77M invested in Aptose Biosciences, Inc. in 2015 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

8% less funds holding

Funds holding: 12 → 11 (-1)

25% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 4

43% less capital invested

Capital invested by funds: $12M → $6.77M (-$5.19M)

50% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 2

Holders
11
Holders Change
-1
Holders Change %
-8.33%
% of All Funds
0.29%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
1
Reduced
2
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CC
Callan Capital
California
+$47.8K
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$10.6K
3
PAIM
Punch & Associates Investment Management
Minnesota
+$1.77K
4
UBS Group
UBS Group
Switzerland
+$1.77K

Top Sellers

Rank Fund Capital Flow
1
BI
BVF Inc
California
-$179K
2
TMC
Trellus Management Company
Florida
-$125K
3
WMSA
Weiss Multi-Strategy Advisers
New York
-$108K
4
DCM
DAFNA Capital Management
California
-$83K
5
Bank of Montreal
Bank of Montreal
Ontario, Canada
-$42.5K
Name Holding Trade Value Shares
Change 		Change in
Stake
Franklin Resources
1
Franklin Resources
California
$3.69M – – –
CAM
2
Cormorant Asset Management
Massachusetts
$2.74M – – –
Bank of Montreal
3
Bank of Montreal
Ontario, Canada
$139K -$42.5K -24 -17%
BBA
4
Baker Bros. Advisors
New York
$84K – – –
Royal Bank of Canada
5
Royal Bank of Canada
Ontario, Canada
$51K +$10.6K +6 +16%
KCM
6
Knoll Capital Management
Florida
$31K – – –
CC
7
Callan Capital
California
$30K +$47.8K +27 New
TRCT
8
Tower Research Capital (TRC)
New York
$4K -$31.8K -18 -82%
Morgan Stanley
9
Morgan Stanley
New York
$2K – – –
PAIM
10
Punch & Associates Investment Management
Minnesota
$1.01K +$1.77K +1 New
UBS Group
11
UBS Group
Switzerland
$1K +$1.77K +1 New
BI
12
BVF Inc
California
– -$179K -92 Closed
TMC
13
Trellus Management Company
Florida
– -$125K -65 Closed
WMSA
14
Weiss Multi-Strategy Advisers
New York
– -$108K -56 Closed
DCM
15
DAFNA Capital Management
California
– -$83K -43 Closed

APTO Hedge Fund Activity: Q4 2015 in Review

11 of the 3,812 institutional investors tracked by Wall St. Rank reported a position in Aptose Biosciences, Inc. (APTO) for Q4 2015, worth a combined $6.77M — down 43% from $12M a quarter earlier.

Sellers outnumbered buyers: 4 funds closed out of APTO and 3 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 1 added.

The largest buyer was Callan Capital, opening a new position worth an estimated $47.8K. The largest seller was BVF Inc, exiting entirely with an estimated $179K sold.

  • 11 institutional investors held Aptose Biosciences, Inc. (APTO) as of Q4 2015, down from 12 in Q3 2015.
  • Funds reported $6.77M of Aptose Biosciences, Inc. stock for Q4 2015, down 43% quarter-over-quarter.
  • 3 funds opened new Aptose Biosciences, Inc. positions in Q4 2015 and 4 closed out, a net change of -1 holder.
  • The largest Aptose Biosciences, Inc. buyer in Q4 2015 was Callan Capital, an estimated $47.8K added.
  • The largest Aptose Biosciences, Inc. seller in Q4 2015 was BVF Inc, an estimated $179K sold.

Based on aggregated 13F filings for Q4 2015.