FRONTIER CAPITAL MANAGEMENT CO LLC

Holdings History for Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT)

Symbol: UCTT on Nasdaq
Investment type: Equity / Common stock, par value $0.001 per share
Latest Disclosed Shares Owned: 2,754,163 shares
Security Ownership %: 6.1%

FRONTIER CAPITAL MANAGEMENT CO.,LLC ownership in Ultra Clean Holdings, Inc. Common stock, par value $0.001 per share (UCTT)

14 Aug 2025 - FRONTIER CAPITAL MANAGEMENT CO.,LLC has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 2,754,163 shares of Ultra Clean Holdings, Inc. Common stock, par value $0.001 per share (UCTT). This represents 6.1% ownership of the company. In their previous filing dated 16 Jan 2025, FRONTIER CAPITAL MANAGEMENT CO LLC had reported owning 2,178,184 shares, indicating an increase of +26%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
FRONTIER CAPITAL MANAGEMENT CO.,LLC	6.1%	+25%	$62,161,459	2,754,163	+575,979	+26%	$22.57	13G	30 Jun 2025	14 Aug 2025, 09:23
FRONTIER CAPITAL MANAGEMENT CO.,LLC	4.8%		$41,821,133	2,178,184			$19.20	13G/A	30 Sep 2024	16 Jan 2025, 13:15