Rubric Capital Management LP

Holdings History for Ecovyst Inc. - Common Stock, par value $0.01 per share (ECVT)

Symbol: ECVT on NYSE
Investment type: Equity / Common Stock, par value $0.01 per share
Latest Disclosed Shares Owned: 10,400,000 shares
Security Ownership %: 9.1%

Shares, Excluding Options vs Price

Value, Excluding Options

Rubric Capital Management LP ownership in Ecovyst Inc. Common Stock, par value $0.01 per share (ECVT)

14 Nov 2025 - Rubric Capital Management LP has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 10,400,000 shares of Ecovyst Inc. Common Stock, par value $0.01 per share (ECVT). This represents 9.1% ownership of the company. This is the first filing by Rubric Capital Management LP disclosing ownership of Ecovyst Inc. Common Stock, par value $0.01 per share (ECVT).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Rubric Capital Management LP	9.1%		$91,104,000	10,400,000			$8.76	13G	30 Sep 2025	14 Nov 2025, 17:01

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	1.2%	+0.01%	$102,165,000	10,500,000	+100,000	+0.96%	$9.73	Q4 2025
30 Sep 2025	1.2%	+0.67%	$91,104,000	10,400,000	+5,692,653	+121%	$8.76	Q3 2025
30 Jun 2025	0.62%	+0.62%	$38,741,466	4,707,347	+4,707,347	NEW	$8.23	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.