What does CUSIP 03835T309 represent in this 13F holders report?

CUSIP 03835T309 is the security identifier for APTO - Aptose Biosciences Inc. - Common Shares used to aggregate holder disclosures.

How many institutions held APTO - Aptose Biosciences Inc. - Common Shares in Q2 2023?

22 institutional investors reported APTO - Aptose Biosciences Inc. - Common Shares for Q2 2023. Use the holders table for investor-level position and value details.

Aptose Biosciences Inc. - Common Shares (APTO)

CUSIP: 03835T309

Q2 2023 13F Holders as of 30 Jun 2023

Security type / class: Equity / Common Shares
Total 13F shares: 951,649
Total 13F value: $4,416,382
Share change: +951,649
SEC-reported price per share: $4.64
Number of holders: 22
Value change: +$4,416,382
Number of buys: 22
Shares outstanding: 2,587,950

Security key

03835T309

Report period

Q2 2023

Institutions

Top holders

APTO full security history Ownership snapshot Full 13F holder table Aptose Biosciences Inc. SEC filings Aptose Biosciences Inc. company facts

Broader feeds

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Ownership snapshot

Top reported holders of APTO - Aptose Biosciences Inc. - Common Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

DRW Securities, LLC

Disclosed value leader

DRW Securities, LLC

Comparable rows

15/15

Latest evidence

31 Mar 2023

13F Lead comparable stake: 348% Showing 1-6 of 15 holder rows.

Quick read

DRW Securities, LLC leads the comparable SEC ownership view at 348%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens DRW Securities, LLC's linked filing trail.

Comparable ownership Top 5

DRW Securities, LLC 348%

Nantahala Capital Management, LLC 195%

Carlson Capital, L.P. 65%

Sigma Planning Corp 57%

Annandale Capital, LLC 31%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
DRW Securities, LLC	13F Company 13F	348%	$5,691,000 8,892,437 shares	—	31 Mar 2023
Nantahala Capital Management, LLC	13F Company 13F	195%	$3,186,544 4,978,975 shares	—	31 Mar 2023
Carlson Capital, L.P.	13F Company 13F	65%	$1,056,000 1,650,000 shares	—	31 Mar 2023
Sigma Planning Corp	13F Company 13F	57%	$924,512 1,444,550 shares	—	31 Mar 2023
Annandale Capital, LLC	13F Company 13F	31%	$513,000 800,000 shares	—	31 Mar 2023
MORGAN STANLEY	13F Company 13F	28%	$450,107 703,292 shares	—	31 Mar 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

951,649

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

Q2 2023 holders

Holder diff

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q2 2023 value	Value change	Value Chg %