Sionna Therapeutics, Inc.

CHARLES SCHWAB INVESTMENT MANAGEMENT INC SION

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

123,686

Value ($000)

5,088

Weight

0.0%

2025 Q1 - 2025 Q4 (4 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/13/2026	5,088	0.0%	123,686	12/31/2025
2025 Q3	11/10/2025	3,279	0.0%	111,496	9/30/2025
2025 Q2	8/12/2025	1,611	0.0%	92,832	6/30/2025
2025 Q1	9/15/2025	676	0.0%	64,644	3/31/2025