Institutional shares held 55.4 Million
264K calls
357K puts
Total value of holdings $1.17B
$5.57M calls
$7.54M puts
Market Cap $1.3B
61,689,400 Shares Out.
Institutional ownership 89.81%
# of Institutions 296


Latest Institutional Activity in PLAB

Top Purchases

Q4 2025
Central Pacific Bank Trust Division Shares Held: 1.71K ($36.1K)
Q4 2025
Gamma Investing LLC Shares Held: 2.61K ($55.1K)
Q3 2025
Victory Capital Management Inc Shares Held: 2.31M ($48.7M)
Q3 2025
Arrowstreet Capital, Limited Partnership Shares Held: 367K ($7.75M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 458K ($9.68M)

Top Sells

Q4 2025
Penbrook Management LLC Shares Held: 111K ($2.34M)
Q3 2025
Invesco Ltd. Shares Held: 310K ($6.54M)
Q3 2025
Ubs Group Ag Shares Held: 322K ($6.81M)
Q3 2025
Vanguard Group Inc Shares Held: 5.78M ($122M)
Q3 2025
Prudential Financial Inc Shares Held: 105K ($2.21M)

About PLAB

Photronics, Inc., together with its subsidiaries, engages in the manufacture and sale of photomask products and services in the United States, Taiwan, Korea, Europe, China, and internationally. The company offers photomasks that are used in the manufacture of integrated circuits and flat panel displays (FPDs); and to transfer circuit patterns onto semiconductor wafers, FDP substrates, and other types of electrical and optical components. It sells its products to semiconductor and FPD manufacturers, designers, and foundries, as well as to other high-performance electronics manufacturers through its sales personnel and customer service representatives. The company was formerly known as Photronic Labs, Inc. and changed its name to Photronics, Inc. in 1990. Photronics, Inc. was incorporated in 1969 and is based in Brookfield, Connecticut.


Insider Transactions at PLAB

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
298K Shares
From 12 Insiders
Grant, award, or other acquisition 222K shares
Exercise of conversion of derivative security 53K shares
Open market or private sale 20K shares
Open market or private purchase 2.65K shares
Sell / Disposition
375K Shares
From 10 Insiders
Bona fide gift 3K shares
Open market or private sale 364K shares
Payment of exercise price or tax liability 8.01K shares

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