Aclaris Therapeutics
ACRS · NASDAQ
$3.77+$0.29 (+8.33%)TodayMarket closed ·
Prev close $3.48
Who owns ACRS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 52.1% of ACRS’s shares.
- RA Capital Management, LP9.1%
- BML Capital Management LLC8.6%
- Deep Track Capital LP6.7%
- BlackRock Institutional Trust Company, N.A.6.3%
- Next 6 largest institutions21.4%
- All other shareholders47.9%
| Holder | Shares | % of shares |
|---|---|---|
| RA Capital Management, LP | 12.72M | 9.11% |
| BML Capital Management LLC | 11.97M | 8.57% |
| Deep Track Capital LP | 9.35M | 6.69% |
| BlackRock Institutional Trust Company, N.A. | 8.81M | 6.31% |
| Vivo Capital, LLC | 6.69M | 4.79% |
| Vanguard Capital Management, LLC | 5.82M | 4.17% |
| Frazier Life Sciences Management, L.P. | 4.93M | 3.53% |
| Rock Springs Capital Management LP | 4.33M | 3.10% |
| Adage Capital Management, L.P. | 4.07M | 2.91% |
| Decheng Capital LLC | 4.04M | 2.89% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 4.24M | 3.04% |
| iShares Russell 2000 ETF | 3.08M | 2.21% |
| Vanguard Extended Market Index Fund | 1.45M | 1.04% |
| Fidelity Small Cap Index Fund | 1.29M | 0.92% |
| iShares Russell 2000 Growth ETF | 968.15K | 0.69% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.36M (1 trade) of ACRS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Kolbeck Roland Wilhelm | Option exercise | 36.38K | — |
| Kolbeck Roland Wilhelm | Tax withholding | 12.38K | $64.40K |
| Kolbeck Roland Wilhelm | Option exercise | 36.38K | — |
| Humphries William D. | Option exercise | 11.58K | — |
| Humphries William D. | Option exercise | 11.58K | — |
| Molineaux Christopher P. | Option exercise | 11.58K | — |
| Molineaux Christopher P. | Option exercise | 11.58K | — |
| Mehra Anand | Option exercise | 11.58K | — |
| Mehra Anand | Option exercise | 11.58K | — |
| GOWEN MAXINE | Option exercise | 11.58K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 18.19M
- Days to cover
- 6.48
- % of shares outstanding
- 13.03%
- Average daily volume
- 2.81M
- Change since last report
- +13.2%
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