Security key
00461U105
Aclaris Therapeutics, Inc. - Common Stock, $0.00001 par value (ACRS)
CUSIP: 00461U105
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Common Stock, $0.00001 par value
- Total 13F shares
- 92,164,636
- Total 13F value
- $141,009,418
- Share change
- +5,343,089
- Put/Call ratio
- 90%
- SEC-reported price per share
- $1.53
- Number of holders
- 106
- Value change
- +$2,108,864
- Number of buys
- 61
- Number of sells
- 38
- Shares outstanding
- 138,752,791
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2025
Institutions
106
Top holders
10
ACRS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2025
Previous quarter: Q4 2024
Aclaris Therapeutics, Inc. SEC filings
Aclaris Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00461U105
Recent filing periods:
Ownership snapshot
Top reported holders of ACRS - Aclaris Therapeutics, Inc. - Common Stock, $0.00001 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
Rock Springs Capital Mana...
Disclosed value leader
BML Capital Management, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
13D/G
Lead comparable stake: 4.7%
13D/G row: Rock Springs Capital Management LP
Showing 1-6 of 15 holder rows.
Quick read
Rock Springs Capital Management LP leads the comparable SEC ownership view at 4.7%.
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.
Comparable ownership
Top 5
Rock Springs Capital Management LP
4.7%
BML Capital Management, LLC
10%
ADAGE CAPITAL PARTNERS GP, L.L.C.
6.9%
Vivo Capital, LLC
6.4%
RA CAPITAL MANAGEMENT, L.P.
3.4%
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 |
|---|---|---|---|---|---|
| Rock Springs Capital Management LP |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$15,386,686
6,204,309 shares
|
— | 31 Dec 2024 |
| BML Capital Management, LLC |
13F
Company
|
10%
|
$35,340,000
14,250,000 shares
|
— | 31 Dec 2024 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
6.9%
|
$23,875,714
9,627,304 shares
|
— | 31 Dec 2024 |
| Vivo Capital, LLC |
13F
Company
|
6.4%
|
$22,044,442
8,888,888 shares
|
— | 31 Dec 2024 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
3.4%
|
$11,573,334
4,666,667 shares
|
— | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
3.1%
|
$10,726,652
4,325,263 shares
|
— | 31 Dec 2024 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
106
Shares
92,164,636
Rows available
106
| 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 2025 vs Q4 2024 Across Filers
Q4 2024 holders
97
Q1 2025 holders
106
Holder diff
9
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend