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APTO

Aptose Biosciences, Inc.

Delisted

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

20 hedge funds and large institutions have $5.91M invested in Aptose Biosciences, Inc. in 2018 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

150% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 2

83% more capital invested

Capital invested by funds: $3.23M → $5.91M (+$2.68M)

18% more funds holding

Funds holding: 1720 (+3)

40% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 5

Holders
20
Holders Change
+3
Holders Change %
+17.65%
% of All Funds
0.45%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.02%
New
5
Increased
3
Reduced
5
Closed
2
Calls
$22K
Puts
Net Calls
+$22K
Net Calls Change
-$47K
Name Holding Trade Value Shares
Change
Change in
Stake
DS
1
DRW Securities
Illinois
$4.72M +$4.93M +5,007 +1,024%
Morgan Stanley
2
Morgan Stanley
New York
$720K -$111K -113 -12%
PFGIA
3
Patriot Financial Group Insurance Agency
Massachusetts
$110K +$12.8K +13 +11%
US Bancorp
4
US Bancorp
Minnesota
$58K
AA
5
Antipodean Advisors
New York
$48K
Two Sigma Advisers
6
Two Sigma Advisers
New York
$38K
Citadel Advisors
7
Citadel Advisors
Florida
$35K -$64.9K -66 -62%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$33K +$38.4K +39 New
Susquehanna International Group
9
Susquehanna International Group
Pennsylvania
$32K -$30.5K -31 -46%
Royal Bank of Canada
10
Royal Bank of Canada
Ontario, Canada
$28K -$10.8K -11 -26%
NFG
11
Noven Financial Group
Colorado
$27K +$30.5K +31 New
UBS Group
12
UBS Group
Switzerland
$22K +$24.6K +25 New
Bank of Montreal
13
Bank of Montreal
Ontario, Canada
$11K
LTFS
14
Ladenburg Thalmann Financial Services
Florida
$11K
FDCDDQ
15
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.24K
Deutsche Bank
16
Deutsche Bank
Germany
$3K -$365K -371 -99%
GCM
17
Gables Capital Management
Florida
$2K
Bank of America
18
Bank of America
North Carolina
$2K +$984 +1 +100%
Toronto Dominion Bank
19
Toronto Dominion Bank
Ontario, Canada
$1K +$984 +1 New
Simplex Trading
20
Simplex Trading
Illinois
$1K +$1.97K +2 New
Renaissance Technologies
21
Renaissance Technologies
New York
-$477K -408 Closed
TRCT
22
Tower Research Capital (TRC)
New York
-$6K -5 Closed

APTO Hedge Fund Activity: Q4 2018 in Review

20 of the 4,488 institutional investors tracked by Wall St. Rank reported a position in Aptose Biosciences, Inc. (APTO) for Q4 2018, worth a combined $5.91M — up 83% from $3.23M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new APTO positions and 2 closed out — a net gain of 3 holders — while 3 added to existing stakes and 5 trimmed.

The largest buyer was DRW Securities, adding an estimated $4.93M. The largest seller was Renaissance Technologies, exiting entirely with an estimated $477K sold.

  • 20 institutional investors held Aptose Biosciences, Inc. (APTO) as of Q4 2018, up from 17 in Q3 2018.
  • Funds reported $5.91M of Aptose Biosciences, Inc. stock for Q4 2018, up 83% quarter-over-quarter.
  • 5 funds opened new Aptose Biosciences, Inc. positions in Q4 2018 and 2 closed out, a net change of +3 holders.
  • The largest Aptose Biosciences, Inc. buyer in Q4 2018 was DRW Securities, an estimated $4.93M added.
  • The largest Aptose Biosciences, Inc. seller in Q4 2018 was Renaissance Technologies, an estimated $477K sold.

Based on aggregated 13F filings for Q4 2018.