13D Filings

Sionna Therapeutics, Inc.

CIK

2036042

Latest Filing

Feb 18, 2025, 08:56 PM

13D Filings
Filer
Latest Filing
% Owned
Type
Filed

RA Capital Management, L.P.

0001346824-25-000045

22.60%

-1.10%

Amendment

Nov 7, 2025, 04:59 PM

Atlas Venture Fund XI, L.P.

0001708269-25-000004

5.40%

-1.10%

Amendment

Oct 20, 2025, 09:40 PM

TPG GP A, LLC

0001839882-25-009559

15.20%

NEW

Feb 18, 2025, 08:56 PM

Atlas Venture Fund XI, L.P.

0001415889-25-004453

6.50%

NEW

Feb 18, 2025, 04:59 PM

RA Capital Management, L.P.

0001415889-25-004419

23.70%

NEW

Feb 18, 2025, 04:25 PM

Enavate Sciences GP, LLC

0001415889-25-004410

5.60%

NEW

Feb 18, 2025, 04:22 PM

ORBIMED ADVISORS LLC

0000947871-25-000138

8.40%

NEW

Feb 13, 2025, 04:47 PM

Rows:

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