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

Two Sigma 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
2025 Q1	–	Sell	-380	Closed	-$2.57K	–	2394
2024 Q4	$2.57K	Sell	380 -634	-63%	-$5.78K	﹤0.01%	1499
2024 Q3	$12.5K	Buy	+1,014	New	+$15.4K	﹤0.01%	2559
2024 Q1	–	Sell	-516	Closed	-$39.3K	–	3881
2023 Q4	$39.3K	Buy	+516	New	+$40K	﹤0.01%	2637
2022 Q4	–	Sell	-41	Closed	-$11K	–	3453
2022 Q3	$11K	Sell	41 -36	-47%	-$12.4K	﹤0.01%	2393
2022 Q2	$26K	Buy	+77	New	+$36.8K	﹤0.01%	1928
2021 Q2	–	Sell	-27	Closed	-$73K	–	1782
2021 Q1	$73K	Buy	+27	New	+$53.5K	﹤0.01%	712
2019 Q2	–	Sell	-28	Closed	-$25K	–	2513
2019 Q1	$25K	Buy	+28	New	+$25.4K	﹤0.01%	1658
2017 Q1	–	Sell	-38	Closed	-$24K	–	1173
2016 Q4	$24K	Buy	+38	New	+$23.7K	0.01%	644

Other funds holding APTO

Bleichroeder LP New York $579M AUM 94.36% 1-Year Est. Return

SPC

Sigma Planning Corp Ann Arbor, Michigan $3.6B AUM 24.57% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Northwestern Mutual Wealth Management Milwaukee, Wisconsin $162B AUM 16.35% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

FDCDDQ

Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $27.8B AUM 31.66% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

National Bank of Canada Montreal, Quebec, Canada $112B AUM 31.26% 1-Year Est. Return

Gleason Group Prospect, Kentucky $1.15B AUM 21.11% 1-Year Est. Return

NFSG

Newbridge Financial Services Group Boca Raton, Florida $608M AUM 31.28% 1-Year Est. Return

Two Sigma Securities's APTO Position: Q1 2025 in Review

Two Sigma Securities sold out of Aptose Biosciences, Inc. (APTO) in Q1 2025, closing a stake of 380 shares — an estimated $2.57K sold.

Two Sigma Securities first reported a position in APTO in Q4 2016 and held it in 8 quarters. The position peaked at $73K in Q1 2021. 16 funds tracked by Wall St. Rank hold APTO as of Q1 2025.

Two Sigma Securities reported no remaining Aptose Biosciences, Inc. position as of Q1 2025 after selling out during the quarter.
Two Sigma Securities sold 380 Aptose Biosciences, Inc. shares in Q1 2025, an estimated $2.57K.
Two Sigma Securities first reported a position in Aptose Biosciences, Inc. in Q4 2016 and held it in 8 quarters.
Two Sigma Securities's Aptose Biosciences, Inc. position peaked at $73K in Q1 2021.
16 funds tracked by Wall St. Rank held Aptose Biosciences, Inc. as of Q1 2025.

Based on Two Sigma Securities's 13F filing for Q1 2025, filed 15 May 2025.