JPMORGAN CHASE & CO

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 Shares Owned: 1,980,626 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)

31 Oct 2025 - JPMORGAN CHASE & CO. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,980,626 shares of Sionna Therapeutics, Inc. Common Stock, $0.001 par value per share (SION). This represents 4.4% ownership of the company. In their previous filing dated 30 Jul 2025, JPMORGAN CHASE & CO had reported owning 2,221,188 shares, indicating a decrease of +11%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
JPMORGAN CHASE & CO.	4.4%	-12%	$58,251,993	1,980,626	-240,562	-11%	$29.41	13G/A	30 Sep 2025	31 Oct 2025, 09:48
JPMORGAN CHASE & CO.	5%		$38,537,612	2,221,188			$17.35	13G	30 Jun 2025	30 Jul 2025, 13:19

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0%	-0%	$50,677,035	1,231,819	-746,807	-38%	$41.14	Q4 2025
30 Sep 2025	0%	-0%	$58,191,390	1,978,626	-242,562	-11%	$29.41	Q3 2025
30 Jun 2025	0%	+0%	$38,537,612	2,221,188	+51,589	+2.4%	$17.35	Q2 2025
31 Mar 2025	0%	+0%	$22,694,006	2,169,599	+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.