GCT Semiconductor Holding, Inc.
GCTS- Exchange
- NYSE
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001851961
No open-market purchases or sales by GCT Semiconductor Holding, Inc. insiders were filed in the last 90 days; 55 institutions reported holding it in 13F filings for Q2 2026, worth $37.3M in total; no superinvestor holds it.
Other share classesGCTS.WT
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +23 vs. previous quarter
- 55
- 13F valueReported value at the end of Q2 2026
- $37.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding GCTS, Q2 2026
No superinvestor reported holding GCTS at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by GCT Semiconductor Holding, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 28, 2025 (view filing) | Nov 25 | 3 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +16.7K | $1.28 | +$21.4K | +2.3%757.8K after | |
| Nov 24, 2025 (view filing) | Nov 20-21 | 4 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +28.6K | $1.28 | +$36.7K | +4.0%741.0K after | 2 lots |
| Sep 16, 2025 (view filing) | Sep 12 | 4 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +44.1K | $1.51 | +$66.5K | +6.8%694.3K after | |
| Sep 8, 2025 (view filing) | Sep 4-5 | 4 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +18.6K | $1.28 | +$23.8K | +2.9%650.3K after | 2 lots |
| Aug 19, 2025 (view filing) | Aug 15 | 4 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +121.0K | $1.26 | +$152.5K | +23.7%631.7K after | |
| Jun 12, 2025 (view filing) | Jun 10 | 2 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +85.0K | $1.18 | +$100.2K | +20.9%492.2K after | 2 lots |
| Jun 6, 2025 (view filing) | Jun 4-5 | 2 days | Shin HyunsooDirector, Other: Class II Director | PPurchase | +160.0K | $1.02 | +$163.8K | +64.7%407.2K after | 3 lots |
| May 27, 2025 (view filing) | May 23 | 4 days | Shin HyunsooClass II Director | PPurchase | +77.0K | $1.04 | +$80.1K | +45.2%247.2K after | |
| May 21, 2025 (view filing) | May 20 | 1 day | Shin HyunsooClass II Director | PPurchase | +86.0K | $1.18 | +$101.5K | +102.1%170.2K after | |
| Sep 27, 2024 (view filing) | Sep 26 | 1 day | Anapass, Inc.10% Owner | PPurchase | +741.6K | $3.02 | +$2.24M | +10.2%8.02M after |
Top 10 13F holders, Q2 2026
The largest institutional positions in GCT Semiconductor Holding, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 2,999,130 | $8.91M | 0.00% | +1,254,181+71.9% | Added |
| Renaissance Technologies LLC | 1,695,300 | $5.04M | 0.01% | +1,695,300 | New |
| Marshall Wace, LLP | 1,296,433 | $3.85M | 0.00% | +1,296,433 | New |
| BlackRock, Inc. | 1,281,164 | $3.81M | 0.00% | +683,217+114.3% | Added |
| Tudor Investment Corp Et Al | 818,485 | $2.43M | 0.01% | +818,485 | New |
| Geode Capital Management, LLC | 767,459 | $2.28M | 0.00% | +293,113+61.8% | Added |
| UBS Group AG | 646,238 | $1.92M | 0.00% | +608,875+1,629.6% | Added |
| Vanguard Fiduciary Trust Co | 416,917 | $1.24M | 0.00% | +170,673+69.3% | Added |
| State Street Corp | 353,089 | $1.05M | 0.00% | +112,500+46.8% | Added |
| EAM Investors, LLC | 241,246 | $716.5K | 0.06% | +241,246 | New |