EcoR1 Capital, LLC

Holdings History for HilleVax, Inc. - Common Stock (HLVX)

Symbol: HLVX
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 0 shares
Security Ownership %: 0%

Shares, Excluding Options vs Price

Value, Excluding Options

EcoR1 Capital, LLC ownership in HilleVax, Inc. Common Stock (HLVX)

14 Nov 2025 - EcoR1 Capital, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 0 shares of HilleVax, Inc. Common Stock (HLVX). This represents 0% ownership of the company. In their previous filing dated 24 Jul 2025, EcoR1 Capital, LLC had reported owning 2,892,000 shares, indicating a decrease of +100%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
EcoR1 Capital, LLC	0%	-97%	$0	0	-2,892,000	-100%	$2.09	13G/A	30 Sep 2025	14 Nov 2025, 16:19
EcoR1 Capital, LLC	5.8%		$5,752,766	2,892,000			$1.99	13G	17 Jul 2025	24 Jul 2025, 17:30

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2025			-0.29%	$0	0	-2,420,243	-100%	$2.09	Q3 2025
30 Jun 2025		0.29%	+0.29%	$4,816,284	2,420,243	+2,420,243	NEW	$1.99	Q2 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.