GCTS
GCT SEMICOND (GCTS)
NYSE
$2.86-$0.01 (-0.38%)
Price as of Jun 23, 2026 7:59 PM EDT
  • $240.9M
    Market Cap
  • 105.67%
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
3.51%
2.0M
+422,378 (+21.05%)
Dec 31, 2025
N/A
3.05%
1.7M
+1.7M (+100.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
1.53%
876,433
+4,844 (+0.55%)
Dec 31, 2024
BLACKROCK INC.
1.36%
779,307
+779,307 (+100.00%)
Jun 30, 2024
BLACKROCK, INC.
1.05%
597,947
+17,411 (+2.91%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
0.83%
474,346
+59,402 (+12.52%)
Mar 31, 2026
GM ADVISORY GROUP, INC.
0.76%
434,456
+271,569 (+62.51%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions24.6M (43.02%)
  • Insiders12.2M (21.27%)
  • Mutual Funds11.5M (20.12%)
  • Other8.9M (15.60%)

Insider Transactions

  • 21.27% (12.2M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $4.4M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Barker Robert
Award
Mar 31, 2026
$0.00
24,122
$0.00
142,451
Chun Kukjin
Award
Mar 31, 2026
$0.00
24,122
$0.00
89,377
TUDER JEFFREY
Award
Mar 31, 2026
$0.00
24,122
$0.00
141,931
Lee Kyeongho
Award
Mar 31, 2026
$0.00
24,122
$0.00
1.1M
Chun Kukjin
Gift
Feb 23, 2026
$0.00
40,000
$0.00
65,255
Chun Kukjin
Award
Dec 31, 2025
$0.00
22,916
$0.00
105,255
Shin Hyunsoo
Award
Dec 31, 2025
$0.00
22,916
$0.00
780,687
CHAN NELSON C
Award
Dec 31, 2025
$0.00
22,916
$0.00
101,520
Barker Robert
Award
Dec 31, 2025
$0.00
22,916
$0.00
118,329
TUDER JEFFREY
Award
Dec 31, 2025
$0.00
22,916
$0.00
117,809
Lee Kyeongho
Award
Dec 31, 2025
$0.00
22,916
$0.00
1.1M
Shin Hyunsoo
Buy
Nov 25, 2025
$21,408.00
16,725
$1.28
757,771
Shin Hyunsoo
Buy
Nov 21, 2025
$4,070.40
3,180
$1.28
741,046
Shin Hyunsoo
Buy
Nov 20, 2025
$32,579.84
25,453
$1.28
737,866
Shin Hyunsoo
Award
Sep 30, 2025
$0.00
18,092
$0.00
712,413
Lee Kyeongho
Award
Sep 30, 2025
$0.00
18,092
$0.00
1.0M
Barker Robert
Award
Sep 30, 2025
$0.00
18,092
$0.00
95,413
TUDER JEFFREY
Award
Sep 30, 2025
$0.00
18,092
$0.00
94,893
CHAN NELSON C
Award
Sep 30, 2025
$0.00
18,092
$0.00
78,604
Chun Kukjin
Award
Sep 30, 2025
$0.00
18,092
$0.00
82,339
Sum Alex
Sr. VP of Sales and Marketing
Award
Sep 19, 2025
$0.00
75,000
$0.00
183,743
Schlaefer John
President, CEO & Class III Dir
Award
Sep 19, 2025
$0.00
75,000
$0.00
202,173
Cheng Edmond
Chief Financial Officer
Award
Sep 19, 2025
$0.00
75,000
$0.00
151,000
Shin Hyunsoo
Buy
Sep 05, 2025
$13,390.00
10,300
$1.30
650,254
Shin Hyunsoo
Buy
Sep 04, 2025
$10,395.00
8,250
$1.26
639,954
TUDER JEFFREY
Award
Jun 30, 2025
$0.00
18,456
$0.00
76,801
CHAN NELSON C
Award
Jun 30, 2025
$0.00
18,456
$0.00
60,512
Shin Hyunsoo
Award
Jun 30, 2025
$0.00
18,456
$0.00
510,704
Lee Kyeongho
Award
Jun 30, 2025
$0.00
18,456
$0.00
1.0M
Barker Robert
Award
Jun 30, 2025
$0.00
18,456
$0.00
77,321