Reporting Manager
RA Capital Management, L.P.
Symbol
ACRS
Shares outstanding
121,058,810 shares
Disclosed Ownership
7,626,705 shares
Ownership
6.3%
Form type
SCHEDULE 13G
Filing time
07 Apr 2026, 17:59:55 UTC
Date of event
31 Mar 2026

Sponsored

Quoteable Key Fact

"RA CAPITAL MANAGEMENT, L.P. disclosed 6.3% ownership in ACLARIS THERAPEUTICS, INC. Common Stock, $0.00001 par value per share (ACRS) on 31 Mar 2026."

Quick Takeaways

  • RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for ACLARIS THERAPEUTICS, INC. Common Stock, $0.00001 par value per share (ACRS).
  • Disclosed ownership: 6.3%.
  • Date of event: 31 Mar 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 07 Apr 2026, 17:59.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 6.3% 7,626,705 0 7,626,705 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 6.3% 7,626,705 0 7,626,705 /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 6.3% 7,626,705 0 7,626,705 /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 6.3% 7,626,705 0 7,626,705 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager