• $6.7B
    Market Cap
  • 6,326.09%
    1-Year Change
  • Semiconductor Equipment & Materials
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
5.90%
2.7M
+2.7M (+100.00%)
Dec 31, 2025
JANE STREET GROUP, LLC
5.23%
2.4M
+1.5M (+62.72%)
Mar 31, 2026
N/A
4.91%
2.3M
+2.3M (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
4.54%
2.1M
-96,317 (-4.57%)
Dec 31, 2025
WELLINGTON MANAGEMENT CO LLP
4.53%
2.1M
+259,521 (+12.37%)
Dec 31, 2021
SUSQUEHANNA INTERNATIONAL GROUP, LLP
4.27%
2.0M
+1.4M (+69.88%)
Mar 31, 2026
ASSENAGON ASSET MANAGEMENT S.A.
3.25%
1.5M
+930,526 (+61.81%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions392.0M (72.72%)
  • Mutual Funds142.9M (26.51%)
  • Insiders4.2M (0.77%)
  • Other0 (0.00%)

Insider Transactions

  • 0.77% (4.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $561.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
YOUNG MORRIS S
CEO
Gift
May 01, 2026
$0.00
6,500
$0.00
2.3M
YOUNG MORRIS S
CEO
Gift
May 01, 2026
$0.00
7,500
$0.00
2.3M
YOUNG MORRIS S
CEO
Sell
Mar 13, 2026
$1.9M
37,905
$51.13
2.3M
CHEN JESSE
Sell
Mar 11, 2026
$706,941.00
15,000
$47.13
123,612
CHANG DAVID C
Sell
Mar 10, 2026
$919,918.00
20,000
$46.00
72,744
YOUNG MORRIS S
CEO
Sell
Mar 10, 2026
$1.4M
30,832
$45.60
2.3M
CHEN JESSE
Sell
Mar 10, 2026
$646,105.60
14,000
$46.15
138,612
YOUNG MORRIS S
CEO
Sell
Mar 09, 2026
$4.6M
125,893
$36.51
2.3M
CHEN JESSE
Sell
Mar 09, 2026
$469,334.56
12,452
$37.69
152,612
YOUNG MORRIS S
CEO
Sell
Mar 06, 2026
$329,063.46
8,300
$39.65
2.5M
CHEN JESSE
Sell
Mar 06, 2026
$73,260.00
2,000
$36.63
165,064
CHANG DAVID C
Sell
Mar 05, 2026
$768,476.00
20,000
$38.42
92,744
CHANG DAVID C
Sell
Mar 04, 2026
$770,638.00
20,000
$38.53
112,744
YOUNG MORRIS S
CEO
Gift
Mar 03, 2026
$0.00
3,780
$0.00
2.5M
YOUNG MORRIS S
CEO
Gift
Mar 02, 2026
$0.00
17,200
$0.00
2.7M
YOUNG MORRIS S
CEO
Sell
Mar 02, 2026
$6.9M
159,536
$43.32
2.5M
FISCHER GARY L
CFO
Sell
Mar 02, 2026
$16.8M
405,233
$41.45
280,310
YOUNG MORRIS S
CEO
Gift
Mar 02, 2026
$0.00
10,000
$0.00
2.6M
YOUNG MORRIS S
CEO
Award
Feb 18, 2026
$0.00
218,170
$0.00
2.7M
FISCHER GARY L
CFO
Award
Feb 18, 2026
$0.00
75,718
$0.00
437,715
YOUNG MORRIS S
CEO
Gift
Nov 21, 2025
$0.00
12,000
$0.00
2.5M
YOUNG MORRIS S
CEO
Gift
Nov 21, 2025
$0.00
3,000
$0.00
2.5M
FISCHER GARY L
CFO
Sell
Nov 13, 2025
$1.0M
101,297
$10.14
361,997
FISCHER GARY L
CFO
Sell
Nov 06, 2025
$201,177.14
22,675
$8.87
463,294
CHANG DAVID C
Sell
Nov 05, 2025
$894,040.00
100,000
$8.94
207,744
YOUNG MORRIS S
CEO
Sell
Nov 03, 2025
$691,848.00
80,000
$8.65
2.4M
YOUNG MORRIS S
CEO
Gift
Oct 31, 2025
$0.00
30,000
$0.00
2.5M
FISCHER GARY L
CFO
Award
Oct 28, 2025
$0.00
37,500
$0.00
566,204
LEBLANC LEONARD J
Award
Jul 29, 2025
$0.00
29,112
$0.00
122,512
YOUNG MORRIS S
CHAIRMAN AND CEO
Buy
Feb 25, 2025
$40,929.00
30,000
$1.36
2.4M