PHOTRONICS INC (PLAB) Stock Institutional Trading Activity


PHOTRONICS INC (PLAB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Donald Smith & Co., and Third Avenue Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2016Renaissance Technologies LLCBuy51,0052,038,600$23,036
Q3 2016Donald Smith & Co.Sell-1,1013,965,171$40,881
Q3 2016Renaissance Technologies LLCSell-193,5001,987,595$20,492
Q2 2016Donald Smith & Co.Sell-265,3303,966,272$35,339
Q2 2016Renaissance Technologies LLCSell-444,9002,181,095$19,434
Q1 2016Donald Smith & Co.Sell-1,769,3964,231,602$44,051
Q1 2016Renaissance Technologies LLCSell-121,3002,625,995$27,337
Q4 2015Donald Smith & Co.Sell-689,2866,000,998$74,712
Q4 2015Renaissance Technologies LLCBuy1,056,4002,747,295$34,204
Q3 2015Donald Smith & Co.Buy41,5246,690,284$60,614
Q3 2015Renaissance Technologies LLCBuy366,8301,690,895$15,320
Q2 2015Donald Smith & Co.Buy283,7846,648,760$63,230
Q2 2015Renaissance Technologies LLCBuy493,0701,324,065$12,592
Q1 2015Donald Smith & Co.Buy125,6936,364,976$54,102
Q1 2015Renaissance Technologies LLCBuy247,284830,995$7,063
Q4 2014Donald Smith & Co.Buy338,5396,239,283$51,848
Q4 2014Renaissance Technologies LLCBuy47,016583,711$4,851
Q3 2014Donald Smith & Co.Buy28,5985,900,744$47,501
Q3 2014Renaissance Technologies LLCBuy256,795536,695$4,320
Q2 2014Donald Smith & Co.Buy403,5775,872,146$50,500
Q2 2014Renaissance Technologies LLCBuy50,100279,900$2,407
Q1 2014Donald Smith & Co.Buy43,8845,468,569$46,647
Q1 2014Renaissance Technologies LLCBuy152,500229,800$1,960
Q4 2013Donald Smith & Co.Sell-241,7285,424,685$48,985
Q4 2013Renaissance Technologies LLCBuy26,40077,300$698
Q3 2013Donald Smith & Co.Sell-250,5525,666,413$44,425
Q3 2013Renaissance Technologies LLCSell-48,90050,900$399
Q2 2013Donald Smith & Co.Buy5,916,9655,916,965$47,691
Q2 2013Renaissance Technologies LLCBuy99,80099,800$804

Frequently asked questions about PLAB activity

  • Which institutional owners are buying PLAB?

    Institutional owners buying PLAB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PLAB activity?

    "Buy" means an investor increased their reported position in PLAB compared to the prior reporting period. This reflects growing exposure to PHOTRONICS INC (PLAB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PLAB increasing?

    Institutional interest in PLAB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.