Photronics Inc is a U.S.-based company principally engaged in the manufacturing of photomasks, which are high-precision photographic quartz or glass plates containing microscopic images of electronic circuits. Photomasks are a key element in the manufacture of integrated circuits (ICs) and flat-panel displays (FPDs) and are used as masters to transfer circuit patterns onto semiconductor wafers and FPD substrates during fabrication, as well as to a lesser extent, other types of electrical and optical components. The Company has manufacturing facilities in Taiwan, China, South Korea, the United States, and Europe, and generates revenue globally, with Taiwan contributing the majority of total revenue.

Institution	Shares	Value	Change
BlackRock	9,486,185	$309M	INCREASED
Vanguard	5,955,419	$194M	INCREASED
Dimensional Fund Advisors	3,642,585	$118M	DECREASED
American Century Companies	3,387,380	$110M	INCREASED
State Street	2,339,871	$76M	INCREASED

Photronics Inc (PLAB) Ownership & Trading Activity

Top Institutional Holders