Jpmorgan Chase & Co

13F Holdings History for Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION)

Symbol: SION on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value per share
Latest Disclosed Ownership: 1.98M shares
Security Ownership: 4.4%

Shares, Excluding Options vs Price

Value, Excluding Options

JPMORGAN CHASE & CO. ownership in Sionna Therapeutics, Inc. Common Stock, $0.001 par value per share (SION)

2025-10-31 - JPMORGAN CHASE & CO. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1.98M shares of Sionna Therapeutics, Inc. Common Stock, $0.001 par value per share (SION). This represents 4.4% percent ownership of the company. In their previous filing dated 2025-07-30, JPMORGAN CHASE & CO had reported owning 2.22M shares, indicating a decrease of -10.8% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
JPMORGAN CHASE & CO.	4.4%	-12%	$58.3M	1.98M	-240,562	-10.8%	$29.41	13G/A	9/30/2025	31 Oct 2025 09:48:52
JPMORGAN CHASE & CO.	5%		$28.5M	2.22M			$12.83	13G	6/30/2025	30 Jul 2025 13:19:42

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0%	0%	$58.2M	1.98M	-242,562	-10.9%	$29.41	Q3 2025
6/30/2025	0%	+0%	$38.5M	2.22M	+51,589	+2.38%	$17.35	Q2 2025
3/31/2025	0%	+0%	$22.7M	2.17M	+2,169,599	NEW	$10.46	Q1 2025

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.