PLAB
Photronics Inc (PLAB)
NASDAQ
$31.55-$2.51 (-7.37%)
Price as of Jun 23, 2026 7:59 PM EDT
  • $2.0B
    Market Cap
  • 85.92%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
17.53%
10.3M
+88,772 (+0.86%)
Dec 31, 2024
BLACKROCK INC.
17.24%
10.2M
-249,400 (-2.45%)
Jun 30, 2024
BLACKROCK, INC.
15.92%
9.4M
+559,408 (+5.96%)
Mar 31, 2026
VANGUARD GROUP INC
9.62%
5.7M
-109,061 (-1.92%)
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
6.72%
4.0M
-91,785 (-2.32%)
Mar 31, 2026
MUNDER CAPITAL MANAGEMENT
5.66%
3.3M
+88,967 (+2.67%)
Sep 30, 2014
LSV ASSET MANAGEMENT
4.89%
2.9M
-945 (-0.03%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions1.0B (73.46%)
  • Mutual Funds356.2M (25.88%)
  • Insiders9.0M (0.65%)
  • Other0 (0.00%)

Insider Transactions

  • 0.65% (9.0M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $143,412.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $305.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
ZHANG RUI
VP, CAO & Corporate Controller
Sell
Apr 08, 2026
$76,212.00
1,752
$43.50
31,635
Lee Kang Jyh
Exempt
Apr 08, 2026
$43,000.00
5,000
$8.60
390,850
Wang Hsueh-Chun
SVP/COO IC & US/EU Mnstrm Ops
Sell
Apr 08, 2026
$426,900.00
10,000
$42.69
144,685
Lee Kang Jyh
Sell
Apr 08, 2026
$216,350.00
5,000
$43.27
385,850
MACRICOSTAS GEORGE
CEO
Sell
Apr 08, 2026
$281,255.00
6,500
$43.27
448,762
MACRICOSTAS GEORGE
CEO
Sell
Apr 08, 2026
$238,040.00
5,500
$43.28
443,262
MACRICOSTAS GEORGE
CEO
Sell
Apr 08, 2026
$4.7M
109,194
$42.90
334,068
Lee Kang Jyh
Exempt
Apr 06, 2026
$0.00
5,000
$0.00
10,000
TYSON MITCHELL G
Sell
Apr 01, 2026
$423,100.00
10,000
$42.31
33,199
Lee Kang Jyh
Exempt
Apr 01, 2026
$0.00
5,000
$0.00
0
Wang Hsueh-Chun
SVP/COO IC & US/EU Mnstrm Ops
Sell
Apr 01, 2026
$175,812.00
4,186
$42.00
160,499
Lee Kang Jyh
Exempt
Apr 01, 2026
$53,750.00
5,000
$10.75
390,850
Wang Hsueh-Chun
SVP/COO IC & US/EU Mnstrm Ops
Sell
Apr 01, 2026
$172,774.00
4,100
$42.14
156,399
Lee Kang Jyh
Sell
Apr 01, 2026
$210,000.00
5,000
$42.00
385,850
Wang Hsueh-Chun
SVP/COO IC & US/EU Mnstrm Ops
Sell
Apr 01, 2026
$72,245.10
1,714
$42.15
154,685
Lee Kang Jyh
Exempt
Mar 26, 2026
$0.00
5,000
$0.00
5,000
Lee Kang Jyh
Exempt
Mar 26, 2026
$53,750.00
5,000
$10.75
390,850
Lee Kang Jyh
Sell
Mar 26, 2026
$204,000.00
5,000
$40.80
385,850
Lee Kang Jyh
Sell
Mar 23, 2026
$390,000.00
10,000
$39.00
385,850
Lee Kang Jyh
Sell
Mar 19, 2026
$358,000.00
10,000
$35.80
400,850
Alesio Todd Anthony
SVP, CAO
Award
Feb 09, 2026
$0.00
983
$0.00
17,946
Rivera Eric
President, CFO
Award
Feb 09, 2026
$0.00
22,641
$0.00
177,690
Almeida Michelle
Award
Jan 20, 2026
$0.00
1,234
$0.00
1,234
Liao Daniel JL
Award
Jan 20, 2026
$0.00
1,234
$0.00
68,782
Park Han Kyung
SVP & GM of FPD Ops
Sell
Jan 16, 2026
$218,062.50
6,250
$34.89
75,500
Lee Kang Jyh
Sell
Jan 15, 2026
$341,300.00
10,000
$34.13
415,850
Lee Kang Jyh
Sell
Jan 13, 2026
$344,200.00
10,000
$34.42
425,850
Park Han Kyung
SVP & GM of FPD Ops
Sell
Jan 13, 2026
$252,750.00
7,500
$33.70
81,750
Lee Kang Jyh
Sell
Jan 07, 2026
$348,300.00
10,000
$34.83
445,850
TYSON MITCHELL G
Sell
Jan 06, 2026
$176,050.00
5,000
$35.21
43,199