Penbrook Management’s Photronics PLAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$3.91M Sell
96,730
-13,950
-13% -$505K 2.96% 7
2025
Q4
$3.54M Sell
110,680
-700
-0.6% -$18.1K 2.44% 8
2025
Q3
$2.56M Sell
111,380
-87,095
-44% -$1.86M 1.78% 11
2025
Q2
$3.91M Buy
198,475
+106,430
+116% +$1.99M 1.48% 10
2025
Q1
$1.91M Sell
92,045
-1,000
-1% -$22.3K 1.44% 12
2024
Q4
$2.19M Buy
93,045
+350
+0.4% +$8.57K 1.5% 11
2024
Q3
$2.3M Sell
92,695
-10,700
-10% -$259K 1.49% 11
2024
Q2
$2.55M Sell
103,395
-11,100
-10% -$301K 1.56% 11
2024
Q1
$3.24M Sell
114,495
-7,305
-6% -$217K 2.01% 10
2023
Q4
$3.82M Sell
121,800
-300
-0.2% -$6.67K 2.57% 6
2023
Q3
$2.47M Sell
122,100
-300
-0.2% -$7.01K 1.81% 11
2023
Q2
$3.16M Sell
122,400
-2,000
-2% -$37.1K 2.29% 8
2023
Q1
$2.06M Sell
124,400
-500
-0.4% -$8.79K 1.58% 15
2022
Q4
$2.1M Sell
124,900
-800
-0.6% -$13.6K 1.79% 12
2022
Q3
$1.84M Sell
125,700
-4,050
-3% -$79.7K 1.58% 15
2022
Q2
$2.53M Sell
129,750
-9,150
-7% -$160K 1.99% 10
2022
Q1
$2.36M Sell
138,900
-1,700
-1% -$30.6K 1.53% 12
2021
Q4
$2.65M Sell
140,600
-250
-0.2% -$3.66K 1.6% 14
2021
Q3
$1.92M Sell
140,850
-800
-0.6% -$10.8K 1.19% 25
2021
Q2
$1.87M Buy
141,650
+1,100
+0.8% +$14.4K 1.12% 28
2021
Q1
$1.81M Sell
140,550
-600
-0.4% -$7.26K 1.3% 24
2020
Q4
$1.57M Buy
141,150
+84,750
+150% +$927K 1.21% 26
2020
Q3
$562K Buy
56,400
+2,800
+5% +$30.3K 0.49% 59
2020
Q2
$597K Sell
53,600
-300
-0.6% -$3.44K 0.59% 51
2020
Q1
$553K Sell
53,900
-5,500
-9% -$72K 0.71% 41
2019
Q4
$936K Sell
59,400
-50
-0.1% -$629 0.91% 37
2019
Q3
$647K Buy
59,450
+400
+0.7% +$3.87K 0.7% 51
2019
Q2
$484K Hold
59,050
0.52% 67
2019
Q1
$558K Sell
59,050
-4,000
-6% -$40.5K 0.58% 60
2018
Q4
$610K Sell
63,050
-2,100
-3% -$20.2K 0.7% 46
2018
Q3
$642K Sell
65,150
-2,600
-4% -$24.2K 0.61% 59
2018
Q2
$540K Hold
67,750
0.52% 67
2018
Q1
$559K Sell
67,750
-13,000
-16% -$109K 0.56% 65
2017
Q4
$688K Buy
+80,750
New +$738K 0.62% 56

Other funds holding PLAB

Penbrook Management's PLAB Position: Q1 2026 in Review

Penbrook Management reduced its Photronics (PLAB) stake by 13% in Q1 2026, selling an estimated $505K and leaving 96,730 shares worth $3.91M. The position accounts for 2.96% of the portfolio, ranked #7.

Penbrook Management first reported a position in PLAB in Q4 2017 and has held it in 34 quarters since. The position peaked at $3.91M in Q2 2025. 330 funds tracked by Wall St. Rank hold PLAB as of Q1 2026.

  • Penbrook Management held 96,730 shares of Photronics worth $3.91M as of Q1 2026.
  • Penbrook Management sold 13,950 Photronics shares in Q1 2026, an estimated $505K.
  • Photronics made up 2.96% of Penbrook Management's portfolio in Q1 2026, its #7 holding.
  • Penbrook Management first reported a position in Photronics in Q4 2017 and has held it in 34 quarters since.
  • Penbrook Management's Photronics position peaked at $3.91M in Q2 2025.
  • 330 funds tracked by Wall St. Rank held Photronics as of Q1 2026.

Based on Penbrook Management's 13F filing for Q1 2026, filed 21 Apr 2026.