GCTS
GCT Semiconductor Holding, Inc.Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
- A Dec 11 HC Wainwright & Co. initiates
- R Jun 18 GCT Semiconductor filed a 424B5 prospectus supplement to increase it…
- X Aug 14 Short interest jumps 30.1% to 10.38M
Signal stack
Where each data set points today.
- InsidersNO TRADES
No open-market buys or sells in 12 months. Recent filings are awards, exercises and tax withholding.
- InstitutionsBULLISH
Q2 2026: 14 added (0 new), 1 trimmed or exited.
- Short sellersSTEADY
Short interest −1.9% to 10.83M shares. 6.7 days to cover, ≈11.8% of shares.
- TrendDOWNTREND
33% below its 50-day average.
- SocialQUIET
No Reddit mentions this week. Last mention Oct 12.
Who's buying
13F· Q2 2026| Fund | Move | Value |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | ADD | $8.9M |
| BlackRock, Inc. | DOUBLED | $3.8M |
| GEODE CAPITAL MANAGEMENT, LLC | ADD | $2.3M |
| UBS Group AG | DOUBLED | $1.9M |
| VANGUARD FIDUCIARY TRUST CO | ADD | $1.2M |
| STATE STREET CORP | ADD | $1.0M |
| NORTHERN TRUST CORP | DOUBLED | $461.4K |
| GOLDMAN SACHS GROUP INC | ADD | $335.1K |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
last action Mar 2026| Date | Firm | Rating |
|---|---|---|
| Mar 30, 2026 | HC Wainwright & Co. REITERATE | Buy |
| Jan 13, 2026 | HC Wainwright & Co. REITERATE | Buy |
| Dec 11, 2025 | HC Wainwright & Co. INITIATE | Buy |
| Nov 13, 2025 | B. Riley Securities MAINTAIN | Buy |
| Feb 3, 2025 | B. Riley Securities MAINTAIN | Buy |
| Aug 28, 2024 | B. Riley Securities INITIATE | Buy |
Insider ledger
Form 4| Date | Insider | Type | Value |
|---|---|---|---|
| Sep 30, 2026 | Lee Kyeongho Director | AWARD | 12,971 sh |
| Sep 30, 2026 | Barker Robert Director | AWARD | 12,971 sh |
| Sep 30, 2026 | TUDER JEFFREY Director | AWARD | 12,971 sh |
| Sep 30, 2026 | Chan Nelson Director | AWARD | 12,971 sh |
| Sep 30, 2026 | Chun Kukjin Director | AWARD | 12,971 sh |
| Sep 30, 2026 | Shin Hyunsoo Director | AWARD | 12,971 sh |
| Sep 10, 2026 | Schlaefer John President, CEO & Class III Dir | AWARD | 150,000 sh |
| Sep 10, 2026 | Sum Alex Sr. VP of Sales and Marketing | AWARD | 75,000 sh |
Earnings setup
EstimatesRevision history: 🔒 Fresh data — subscribers only
| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | 🔒 Fresh data — subscribers only | |||
| Next Q | 🔒 Fresh data — subscribers only | |||
| Current FY | 🔒 Fresh data — subscribers only | |||
| Next FY | 🔒 Fresh data — subscribers only | |||
After its 2 previous Reddit spikes, GCTS averaged −24.9% against SPY over the next 20 trading days.
Short side
FINRA· Sep 30, 2026SecBot reports
4 filings · 0 bullish · 3 bearish · 1 neutral- NEUTRAL INST-CLUSTERSep 22, 2026
In Q2 2026, a cluster of 13 institutional buyers accumulated $15.6M in GCTS shares, overwhelmingly…
The cluster is dominated by passive index funds, suggesting the buying reflects index rebalancing or ETF inflows rather than a fundamental catalyst. Monitor for any active manager accumulation or…
- BEARISH 8-KAug 10, 2026
GCT Semiconductor reported Q2 2026 revenue of $1.0M, down 17.9% YoY and well below the $3.3M…
The revenue miss and widening loss are concerning, but sequential chipset growth and $30M cash provide some runway. Watch for commercial ramp milestones and potential further dilution from the…
- BEARISH 8-KJun 19, 2026
GCT Semiconductor filed an 8-K with a legal opinion (Exhibit 5.1) for its at-the-market (ATM)…
The ATM expansion after a weak earnings report signals persistent cash needs. Monitor ATM sales pace and next quarter's revenue/cash burn for signs of distress. Dilution overhang likely to pressure…
- BEARISH 424B5Jun 19, 2026
GCT Semiconductor filed a 424B5 prospectus supplement to increase its at-the-market (ATM) equity…
The ATM increase signals ongoing capital needs for a fabless semiconductor company with a going concern audit opinion. The $2.61 price is well below the $7.37 weighted-average warrant exercise…
All GCTS filing & press-release reports (4)
- INST-CLUSTER reportSep 22, 2026
- 8-K reportAug 10, 2026
- 8-K reportJun 19, 2026
- 424B5 reportJun 19, 2026