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APTO

Aptose Biosciences, Inc.
APTO

Delisted

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

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15 hedge funds and large institutions have $819K invested in Aptose Biosciences, Inc. in 2017 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 3 increasing their positions, 4 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

211% more capital invested

Capital invested by funds: $264K → $819K (+$555K)

100% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 3

25% more funds holding

Funds holding: 12 → 15 (+3)

25% less repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 4

Holders
15
Holders Change
+3
Holders Change %
+25%
% of All Funds
0.34%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
3
Reduced
4
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BIP
Brandes Investment Partners
California
+$72.7K
2
DS
DRW Securities
Illinois
+$68.8K
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$58K
4
Deutsche Bank
Deutsche Bank
Germany
+$51K
5
VF
Virtu Financial
New York
+$42.5K

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$19K
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$14.7K
3
Bank of Montreal
Bank of Montreal
Ontario, Canada
-$10K
4
Renaissance Technologies
Renaissance Technologies
New York
-$6.96K
5
TRCT
Tower Research Capital (TRC)
New York
-$3.09K
Name Holding Trade Value Shares
Change 		Change in
Stake
Morgan Stanley
1
Morgan Stanley
New York
$132K +$38.6K +50 +62%
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$100K +$58K +75 +313%
BIP
3
Brandes Investment Partners
California
$95K +$72.7K +94 New
DS
4
DRW Securities
Illinois
$90K +$68.8K +89 New
US Bancorp
5
US Bancorp
Minnesota
$68K – – –
Deutsche Bank
6
Deutsche Bank
Germany
$66K +$51K +66 New
Renaissance Technologies
7
Renaissance Technologies
New York
$59K -$6.96K -9 -13%
VF
8
Virtu Financial
New York
$55K +$42.5K +55 New
JP Morgan Chase
9
JP Morgan Chase
New York
$49K +$37.1K +48 New
Royal Bank of Canada
10
Royal Bank of Canada
Ontario, Canada
$45K -$14.7K -19 -30%
Bank of Montreal
11
Bank of Montreal
Ontario, Canada
$20K -$10K -13 -39%
FDCDDQ
12
Federation des caisses Desjardins du Quebec
Quebec, Canada
$14.1K -$773 -1 -7%
MOS
13
MGO One Seven
Ohio
$13K +$10K +13 New
UBS Group
14
UBS Group
Switzerland
$10K +$3.09K +4 +80%
Parallax Volatility Advisers
15
Parallax Volatility Advisers
California
$3K – – –
Jane Street
16
Jane Street
New York
– -$19K -29 Closed
TRCT
17
Tower Research Capital (TRC)
New York
– -$3.09K -4 Closed

APTO Hedge Fund Activity: Q4 2017 in Review

15 of the 4,409 institutional investors tracked by Wall St. Rank reported a position in Aptose Biosciences, Inc. (APTO) for Q4 2017, worth a combined $819K — up 211% from $264K a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new APTO positions and 3 closed out — a net gain of 3 holders — while 3 added to existing stakes and 4 trimmed.

The largest buyer was Brandes Investment Partners, opening a new position worth an estimated $72.7K. The largest seller was Jane Street, exiting entirely with an estimated $19K sold.

  • 15 institutional investors held Aptose Biosciences, Inc. (APTO) as of Q4 2017, up from 12 in Q3 2017.
  • Funds reported $819K of Aptose Biosciences, Inc. stock for Q4 2017, up 211% quarter-over-quarter.
  • 6 funds opened new Aptose Biosciences, Inc. positions in Q4 2017 and 3 closed out, a net change of +3 holders.
  • The largest Aptose Biosciences, Inc. buyer in Q4 2017 was Brandes Investment Partners, an estimated $72.7K added.
  • The largest Aptose Biosciences, Inc. seller in Q4 2017 was Jane Street, an estimated $19K sold.

Based on aggregated 13F filings for Q4 2017.