GCT Semiconductor (GCTS)
Designs and sells wireless communications semiconductors for 5G, 4G, and cellular IoT.
$2.16
vs last close−0.04 (−2.05%)
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13F · 13D/G · Form 4
| Institutions | 13.67% | 12.57M shares | |
|---|---|---|---|
| 58 holders · as of Jun 30, 2026 | |||
| Insiders | 4.08% | 3.76M shares | |
| 10 holders · as of Sep 14, 2026 | |||
| Strategic holders | 0.69% | 632.6K shares | |
| 1 holder · as of Mar 28, 2025 | |||
| Other | 81.56% | 75.01M shares | |
| remainder | |||
91.97M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
58 holders · 12.57M shares · 28 new positions · 47 increased · 2 reduced · 8 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Vanguard Capital Management LLC | 3.00M | 3.26% | +1.25M | Aug 13, 2026 |
| Renaissance Technologies LLC | 1.70M | 1.84% | +1.70Mnew | Aug 13, 2026 |
| Marshall Wace, LLP | 1.30M | 1.41% | +1.30Mnew | Aug 13, 2026 |
| BlackRock, Inc. | 1.28M | 1.39% | +683.2K | Aug 7, 2026 |
| Tudor Investment Corp et al | 818.5K | 0.89% | +818.5Knew | Aug 14, 2026 |
| Geode Capital Management, LLC | 767.5K | 0.83% | +293.1K | Aug 12, 2026 |
| UBS Group AG | 646.2K | 0.70% | +608.9K | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | 416.9K | 0.45% | +170.7K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| SUNP Corp | 5.20% | 2.91M | 13G | Aug 22, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Nov 25, 2025 | Hyunsoo Shindirector, other: Class II Director | Purchase | 16,725 | $1.28 | 757,771 |
| Nov 20, 2025 | Hyunsoo Shindirector, other: Class II Director | Purchase | 25,453 | $1.28 | 737,866 |
| Nov 21, 2025 | Hyunsoo Shindirector, other: Class II Director | Purchase | 3,180 | $1.28 | 741,046 |
House and Senate disclosures
Not reported.