What does CUSIP 03835T200 represent in this 13F holders report?

CUSIP 03835T200 is the security identifier for 03835T200 - Aptose Biosciences Inc. - Common Shares used to aggregate holder disclosures.

How many institutions held 03835T200 - Aptose Biosciences Inc. - Common Shares in Q1 2022?

51 institutional investors reported 03835T200 - Aptose Biosciences Inc. - Common Shares for Q1 2022. Use the holders table for investor-level position and value details.

Aptose Biosciences Inc. - Common Shares

CUSIP: 03835T200

Q1 2022 13F Holders as of 31 Mar 2022

Security type / class: Equity / Common Shares
Total 13F shares: 28,531,682
Total 13F value: $38,807,613
Share change: -2,647,476
Put/Call ratio: 7%
SEC-reported price per share: $1.36
Number of holders: 51
Value change: -$3,580,687
Number of buys: 18
Number of sells: 28
Shares outstanding: 2,556,332

Security key

03835T200

Report period

Q1 2022

Institutions

Top holders

03835T200 full security history Ownership snapshot Full 13F holder table Aptose Biosciences Inc. SEC filings Aptose Biosciences Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of 03835T200 - 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 Dec 2021

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 297%

683 Capital Management, LLC 79%

SANDERS MORRIS HARRIS LLC 77%

Carlson Capital, L.P. 55%

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%	$12,005,000 8,892,437 shares	—	31 Dec 2021
Nantahala Capital Management, LLC	13F Company 13F	297%	$10,266,000 7,604,693 shares	—	31 Dec 2021
683 Capital Management, LLC	13F Company 13F	79%	$2,727,000 2,019,770 shares	—	31 Dec 2021
SANDERS MORRIS HARRIS LLC	13F Company 13F	77%	$2,920,000 1,961,594 shares	—	31 Dec 2021
Carlson Capital, L.P.	13F Company 13F	55%	$1,890,000 1,400,000 shares	—	31 Dec 2021
MORGAN STANLEY	13F Company 13F	52%	$1,779,000 1,317,291 shares	—	31 Dec 2021

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 Q1 2022

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

Institutions

28,531,682

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 Q1 2022 vs Q1 2022 Across Filers

Q1 2022 holders

Holder diff

Investor	Q1 2022 Shares	Q1 2022 Shares	Share Diff	Share Chg %	Q1 2022 value	Q1 2022 value	Value change	Value Chg %