Security key
00461U105
Aclaris Therapeutics, Inc. - Common Stock, $0.00001 par value (ACRS)
CUSIP: 00461U105
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / Common Stock, $0.00001 par value
- Total 13F shares
- 58,449,543
- Total 13F value
- $61,369,526
- Share change
- -12,189,429
- Put/Call ratio
- 112%
- SEC-reported price per share
- $1.05
- Number of holders
- 102
- Value change
- -$207,123,774
- Number of buys
- 59
- Number of sells
- 82
- Shares outstanding
- 138,752,791
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
102
Top holders
10
ACRS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
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
BVF INC/IL
Disclosed value leader
BVF INC/IL
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 5.1%
Showing 1-6 of 15 holder rows.
Quick read
BVF INC/IL leads the comparable SEC ownership view at 5.1%.
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 BVF INC/IL's linked filing trail.
Comparable ownership
Top 5
BVF INC/IL
5.1%
WELLINGTON MANAGEMENT GROUP LLP
5%
BlackRock Finance, Inc.
4%
RA CAPITAL MANAGEMENT, L.P.
3.2%
Rock Springs Capital Management LP
2.9%
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 |
|---|---|---|---|---|---|
| BVF INC/IL |
13F
Company
|
5.1%
|
$48,393,442
7,064,736 shares
|
— | 30 Sep 2023 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
5%
|
$47,811,932
6,979,844 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
4%
|
$38,414,046
5,607,890 shares
|
— | 30 Sep 2023 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
3.2%
|
$30,129,403
4,398,453 shares
|
— | 30 Sep 2023 |
| Rock Springs Capital Management LP |
13F
Company
|
2.9%
|
$27,129,076
3,960,449 shares
|
— | 30 Sep 2023 |
| Bain Capital Life Sciences Investors, LLC |
13F
Company
|
2.5%
|
$23,290,000
3,400,000 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
102
Shares
58,449,543
Rows available
102
| 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 2025 Across Filers
Q3 2025 holders
103
Q4 2023 holders
102
Holder diff
-1
| Investor | Q3 2025 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend