Security key
03835T200
- Security type / class
- Equity / Common Shares
- Total 13F shares
- 34,928,326
- Total 13F value
- $207,138,467
- Share change
- +4,210,929
- Put/Call ratio
- 177%
- SEC-reported price per share
- $5.94
- Number of holders
- 52
- Value change
- +$26,188,083
- Number of buys
- 32
- Number of sells
- 32
- Shares outstanding
- 2,556,332
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2020
Institutions
52
Top holders
10
03835T200 full security history
Ownership snapshot
Full 13F holder table
Aptose Biosciences Inc. SEC filings
Aptose Biosciences Inc. company facts
Broader feeds
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
Nantahala Capital Managem...
Disclosed value leader
Nantahala Capital Managem...
Comparable rows
15/15
Latest evidence
31 Dec 2019
13F
Lead comparable stake: 237%
Showing 1-6 of 15 holder rows.
Quick read
Nantahala Capital Management, LLC leads the comparable SEC ownership view at 237%.
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 Nantahala Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Nantahala Capital Management, LLC
237%
Consonance Capital Management LP
187%
Opaleye Management Inc.
160%
DRW Securities, LLC
145%
ORBIMED ADVISORS LLC
45%
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 |
|---|---|---|---|---|---|
| Nantahala Capital Management, LLC |
13F
Company
|
237%
|
$34,325,000
6,053,830 shares
|
— | 31 Dec 2019 |
| Consonance Capital Management LP |
13F
Company
|
187%
|
$27,058,000
4,772,190 shares
|
— | 31 Dec 2019 |
| Opaleye Management Inc. |
13F
Company
|
160%
|
$23,162,000
4,085,000 shares
|
— | 31 Dec 2019 |
| DRW Securities, LLC |
13F
Company
|
145%
|
$21,040,000
3,710,698 shares
|
— | 31 Dec 2019 |
| ORBIMED ADVISORS LLC |
13F
Company
|
45%
|
$6,521,000
1,150,000 shares
|
— | 31 Dec 2019 |
| Ikarian Capital, LLC |
13F
Company
|
39%
|
$5,725,000
1,009,735 shares
|
— | 31 Dec 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 Q1 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
52
Shares
34,928,326
Rows available
52
| 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 2020 vs Q1 2020 Across Filers
Q1 2020 holders
52
Q1 2020 holders
52
Holder diff
0
| Investor | Q1 2020 Shares | Q1 2020 Shares | Share Diff | Share Chg % | Q1 2020 value | Q1 2020 value | Value change | Value Chg % |
|---|