DS
APTO

DRW Securities’s Aptose Biosciences, Inc. APTO Stock Holding History

DRW Securities’s Portfolio APTO Stock Details APTO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$32.9K Hold
19,761
– – ﹤0.01% 1212
2025
Q4 		$29.2K Hold
19,761
– – ﹤0.01% 1152
2025
Q3 		$23.1K Hold
19,761
– – ﹤0.01% 1244
2025
Q2 		$17.1K Buy
+19,761
New +$33.8K ﹤0.01% 1068
2025
Q1 		– Sell
-19,761
Closed -$134K – 860
2024
Q4 		$134K Hold
19,761
– – ﹤0.01% 546
2024
Q3 		$244K Hold
19,761
– – 0.01% 479
2024
Q2 		$450K Hold
19,761
– – 0.02% 342
2024
Q1 		$984K Hold
19,761
– – 0.03% 175
2023
Q4 		$1.51M Hold
19,761
– – 0.02% 116
2023
Q3 		$1.66M Hold
19,761
– – 0.03% 99
2023
Q2 		$2.75M Hold
19,761
– – 0.07% 88
2023
Q1 		$5.69M Hold
19,761
– – 0.09% 61
2022
Q4 		$5.16M Hold
19,761
– – 0.14% 54
2022
Q3 		$5.29M Hold
19,761
– – 0.11% 59
2022
Q2 		$6.6M Hold
19,761
– – 0.16% 43
2022
Q1 		$12.1M Hold
19,761
– – 0.33% 32
2021
Q4 		$12M Hold
19,761
– – 0.34% 28
2021
Q3 		$19.4M Buy
19,761
+925
+5% +$1.16M 0.84% 14
2021
Q2 		$28.1M Buy
18,836
+1,111
+6% +$2.42M 0.87% 9
2021
Q1 		$47.7M Hold
17,725
– – 1.89% 5
2020
Q4 		$34.9M Buy
17,725
+8,389
+90% +$19.7M 1.23% 7
2020
Q3 		$25.2M Buy
9,336
+1,556
+20% +$3.88M 1.39% 18
2020
Q2 		$22.1M Sell
7,780
-466
-6% -$1.5M 1.03% 20
2020
Q1 		$22M Hold
8,246
– – 0.81% 20
2019
Q4 		$21M Buy
8,246
+1,222
+17% +$1.59M 0.82% 25
2019
Q3 		$6.59M Sell
7,024
-414
-6% -$471K 0.45% 28
2019
Q2 		$8.74M Buy
7,438
+1,753
+31% +$1.61M 0.48% 22
2019
Q1 		$5.14M Buy
5,685
+189
+3% +$171K 0.13% 23
2018
Q4 		$4.72M Buy
5,496
+5,007
+1,024% +$4.93M 0.25% 14
2018
Q3 		$573K Buy
489
+214
+78% +$287K 0.03% 23
2018
Q2 		$488K Buy
275
+231
+525% +$368K 0.03% 41
2018
Q1 		$63K Sell
44
-45
-51% -$60.2K ﹤0.01% 156
2017
Q4 		$90K Buy
+89
New +$68.8K 0.01% 436

Other funds holding APTO

GG
Gleason Group Prospect, Kentucky $1.15B AUM 21.11% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
CSC
Caldwell Sutter Capital Sausalito, California $246M AUM 23.62% 1-Year Est. Return

DRW Securities's APTO Position: Q1 2026 in Review

DRW Securities held its Aptose Biosciences, Inc. (APTO) position steady in Q1 2026 at 19,761 shares worth $32.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1212.

DRW Securities first reported a position in APTO in Q4 2017 and has held it in 33 quarters since. The position peaked at $47.7M in Q1 2021. 4 funds tracked by Wall St. Rank hold APTO as of Q1 2026.

  • DRW Securities held 19,761 shares of Aptose Biosciences, Inc. worth $32.9K as of Q1 2026.
  • DRW Securities left its Aptose Biosciences, Inc. share count unchanged in Q1 2026.
  • Aptose Biosciences, Inc. made up ﹤0.01% of DRW Securities's portfolio in Q1 2026, its #1212 holding.
  • DRW Securities first reported a position in Aptose Biosciences, Inc. in Q4 2017 and has held it in 33 quarters since.
  • DRW Securities's Aptose Biosciences, Inc. position peaked at $47.7M in Q1 2021.
  • 4 funds tracked by Wall St. Rank held Aptose Biosciences, Inc. as of Q1 2026.

Based on DRW Securities's 13F filing for Q1 2026, filed 13 May 2026.