13D Filings

Atlas Venture Fund XI, L.P.

CIK

1708269

13D Filings

3

Companies

2

Latest Filing

Oct 20, 2025, 09:40 PM

Filing History
Company
% Owned
Type
Filed
SIONNA THERAPEUTICS, INC.
SION

5.40%

-1.10%

Amendment

Oct 20, 2025, 09:40 PM

IMAGENEBIO, INC.
IMA

2.10%

Amendment

Jul 29, 2025, 04:53 PM

SIONNA THERAPEUTICS, INC.
SION

6.50%

NEW

Feb 18, 2025, 04:59 PM

Rows:

13 of 3

1