TWC
APTO

TD Waterhouse Canada’s Aptose Biosciences, Inc. APTO Stock Holding History

TD Waterhouse Canada’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
2025
Q3 		– Sell
-22
Closed -$19 – 2171
2025
Q2 		$19 Hold
22
– – ﹤0.01% 1957
2025
Q1 		$35 Sell
22
-1
-4% -$5 ﹤0.01% 1899
2024
Q4 		$154 Hold
23
– – ﹤0.01% 1866
2024
Q3 		$263 Sell
23
-229
-91% -$3.49K ﹤0.01% 1785
2024
Q2 		$5.65K Buy
252
+7
+3% +$238 ﹤0.01% 1463
2024
Q1 		$15.4K Hold
245
– – ﹤0.01% 1278
2023
Q4 		$22.3K Hold
245
– – ﹤0.01% 1108
2023
Q3 		$27.8K Hold
245
– – ﹤0.01% 1037
2023
Q2 		$44.4K Hold
245
– – ﹤0.01% 959
2023
Q1 		$90.4K Hold
245
– – ﹤0.01% 785
2022
Q4 		$88.2K Hold
245
– – ﹤0.01% 786
2022
Q3 		$86K Hold
245
– – ﹤0.01% 800
2022
Q2 		$112K Hold
245
– – ﹤0.01% 778
2022
Q1 		$192K Hold
245
– – ﹤0.01% 727
2021
Q4 		$206K Buy
+245
New +$230K ﹤0.01% 746

Other funds holding APTO

DS
DRW Securities Chicago, Illinois $4.11B AUM 21.98% 1-Year Est. Return
GG
Gleason Group Prospect, Kentucky $1.15B AUM 21.11% 1-Year Est. Return
CSC
Caldwell Sutter Capital Sausalito, California $265M AUM 30.15% 1-Year Est. Return

TD Waterhouse Canada's APTO Position: Q3 2025 in Review

TD Waterhouse Canada sold out of Aptose Biosciences, Inc. (APTO) in Q3 2025, closing a stake of 22 shares — an estimated $19 sold.

TD Waterhouse Canada first reported a position in APTO in Q4 2021 and held it in 15 quarters. The position peaked at $206K in Q4 2021. 3 funds tracked by Wall St. Rank hold APTO as of Q3 2025.

  • TD Waterhouse Canada reported no remaining Aptose Biosciences, Inc. position as of Q3 2025 after selling out during the quarter.
  • TD Waterhouse Canada sold 22 Aptose Biosciences, Inc. shares in Q3 2025, an estimated $19.
  • TD Waterhouse Canada first reported a position in Aptose Biosciences, Inc. in Q4 2021 and held it in 15 quarters.
  • TD Waterhouse Canada's Aptose Biosciences, Inc. position peaked at $206K in Q4 2021.
  • 3 funds tracked by Wall St. Rank held Aptose Biosciences, Inc. as of Q3 2025.

Based on TD Waterhouse Canada's 13F filing for Q3 2025, filed 3 Nov 2025.