Security key
04746L104
LeonaBio, Inc. - Common Stock, $0.0001 par value (ATHA)
CUSIP: 04746L104
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / Common Stock, $0.0001 par value
- Total 13F shares
- 21,901,553
- Total 13F value
- $53,218,137
- Share change
- -953,903
- Put/Call ratio
- 1.6%
- SEC-reported price per share
- $2.43
- Number of holders
- 64
- Value change
- -$1,833,437
- Number of buys
- 18
- Number of sells
- 31
- Shares outstanding
- 9,416,558
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
Q4 2023
Institutions
64
Top holders
10
ATHA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2024
Previous quarter: Q3 2023
LeonaBio, Inc. SEC filings
LeonaBio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04746L104
Recent filing periods:
Ownership snapshot
Top reported holders of ATHA - LeonaBio, Inc. - Common Stock, $0.0001 par value (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
PERCEPTIVE ADVISORS LLC
Disclosed value leader
PERCEPTIVE ADVISORS LLC
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 51%
Showing 1-6 of 15 holder rows.
Quick read
PERCEPTIVE ADVISORS LLC leads the comparable SEC ownership view at 51%.
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 PERCEPTIVE ADVISORS LLC's linked filing trail.
Comparable ownership
Top 5
PERCEPTIVE ADVISORS LLC
51%
BAKER BROS. ADVISORS LP
33%
BML Capital Management, LLC
18%
VANGUARD GROUP INC
18%
Simplify Asset Management Inc.
16%
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 |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
51%
|
$9,690,501
4,797,278 shares
|
— | 30 Sep 2023 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
33%
|
$6,370,690
3,153,807 shares
|
— | 30 Sep 2023 |
| BML Capital Management, LLC |
13F
Company
|
18%
|
$3,442,811
1,704,362 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
18%
|
$3,430,875
1,698,453 shares
|
— | 30 Sep 2023 |
| Simplify Asset Management Inc. |
13F
Company
|
16%
|
$3,015,440
1,492,792 shares
|
— | 30 Sep 2023 |
| Point72 Asset Management, L.P. |
13F
Company
|
9.6%
|
$1,833,267
907,558 shares
|
— | 30 Sep 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 Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
64
Shares
21,901,553
Rows available
64
| 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 Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
70
Q4 2023 holders
64
Holder diff
-6
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend