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Penbrook Management’s Photronics PLAB Stock Holding History

Penbrook Management’s Portfolio PLAB Stock Details PLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q1 		– Sell
-10,000
Closed -$314 – 105
2023
Q4 		$314 Buy
+10,000
New +$222K ﹤0.01% 103
2023
Q3 		– Sell
-5,000
Closed -$129 – 104
2023
Q2 		$129 Buy
+5,000
New +$92.7K ﹤0.01% 100

Other funds holding PLAB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Penbrook Management's PLAB Position: Q2 2026 in Review

Penbrook Management reduced its Photronics (PLAB) stake by 7.9% in Q2 2026, selling an estimated $325K and leaving 89,055 shares worth $2.9M. The position accounts for 1.85% of the portfolio, ranked #11.

Penbrook Management first reported a position in PLAB in Q4 2017 and has held it in 35 quarters since. The position peaked at $3.91M in Q1 2026. 314 funds tracked by Wall St. Rank hold PLAB as of Q2 2026.

  • Penbrook Management held 89,055 shares of Photronics worth $2.9M as of Q2 2026.
  • Penbrook Management sold 7,675 Photronics shares in Q2 2026, an estimated $325K.
  • Photronics made up 1.85% of Penbrook Management's portfolio in Q2 2026, its #11 holding.
  • Penbrook Management first reported a position in Photronics in Q4 2017 and has held it in 35 quarters since.
  • Penbrook Management's Photronics position peaked at $3.91M in Q1 2026.
  • 314 funds tracked by Wall St. Rank held Photronics as of Q2 2026.

Based on Penbrook Management's 13F filing for Q2 2026, filed 23 Jul 2026.