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APTO

Aptose Biosciences, Inc.
APTO

Delisted

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

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4 hedge funds and large institutions have $40K invested in Aptose Biosciences, Inc. in 2026 Q1 according to their latest regulatory filings, with 0 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

12% more capital invested

Capital invested by funds: $35.8K → $40K (+$4.21K)

0% more funds holding

Funds holding: 4 → 4 (0)

Holders
4
Holders Change
–
Holders Change %
0%
% of All Funds
0.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
DS
1
DRW Securities
Illinois
$32.9K – – –
GG
2
Gleason Group
Kentucky
$7.02K – – –
FFA
3
Farther Finance Advisors
California
$17 – – –
CSC
4
Caldwell Sutter Capital
California
$3 – – –

APTO Hedge Fund Activity: Q1 2026 in Review

4 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Aptose Biosciences, Inc. (APTO) for Q1 2026, worth a combined $40K — up 12% from $35.8K a quarter earlier.

Fund positioning in APTO was balanced in Q1 2026: 0 funds opened new positions, 0 closed out, 0 added to existing stakes and 0 trimmed.

  • 4 institutional investors held Aptose Biosciences, Inc. (APTO) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $40K of Aptose Biosciences, Inc. stock for Q1 2026, up 12% quarter-over-quarter.
  • 0 funds opened new Aptose Biosciences, Inc. positions in Q1 2026 and 0 closed out.

Based on aggregated 13F filings for Q1 2026.