Aptose Biosciences Inc. - Common Shares

CUSIP: 03835T200

Q2 2019 13F Holders as of 30 Jun 2019

Holder snapshot 6 signals
Share change
+8,623,146
SEC-reported price per share
$2.61
Number of holders
29
Value change
+$22,562,599
Number of buys
20
Number of sells
8
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
2,556,332

Security key

03835T200

Report period

Q2 2019

Institutions

29

Top holders

10

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 Mar 2019
13F Lead comparable stake: 100% Showing 1-6 of 15 holder rows.

Quick read

DRW Securities, LLC leads the comparable SEC ownership view at 100%.

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 100%
MORGAN STANLEY 10%
Virtu Financial LLC 3.9%
Patriot Financial Group Insurance... 3.1%
Nantahala Capital Management, LLC 2.4%

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
100%
$5,143,000
2,558,458 shares
31 Mar 2019
MORGAN STANLEY
13F
Company
13F
10%
$526,000
261,321 shares
31 Mar 2019
Virtu Financial LLC
13F
Company
13F
3.9%
$198,000
98,869 shares
31 Mar 2019
Patriot Financial Group Insurance Agency, LLC
13F
Company
13F
3.1%
$158,000
78,829 shares
31 Mar 2019
Nantahala Capital Management, LLC
13F
Company
13F
2.4%
$125,000
62,042 shares
31 Mar 2019
CITADEL ADVISORS LLC
13F
Company
13F
1.3%
$66,000
32,942 shares
31 Mar 2019
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 2019

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

Institutions
29
Shares
11,921,350
Rows available
29
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 2019 vs Q1 2019 Across Filers

Q1 2019 holders
21
Q2 2019 holders
29
Holder diff
8
Investor Q1 2019 Shares Q2 2019 Shares Share Diff Share Chg % Q1 2019 value Q2 2019 value Value change Value Chg %
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .