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
13F holders, Q2 2026
Institutional positions in GCT Semiconductor Holding, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 55
- +23 vs. Q1 2026
- Shares held
- 12.6M
- +8.56M (+213.1%) vs. Q1 2026
- Total value
- $37.3M
- +$32.8M (+715.5%) vs. Q1 2026
- New holders
- 29
- 19 more added
- Sold out
- 6
- 2 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GCTS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 55 | $37.3M |
| Q1 2026 | 34 | $5.07M |
| Q4 2025 | 24 | $4.64M |
| Q3 2025 | 29 | $5.84M |
| Q2 2025 | 31 | $6.25M |
| Q1 2025 | 43 | $5.87M |
| Q4 2024 | 41 | $7.10M |
| Q3 2024 | 41 | $10.6M |
| Q2 2024 | 34 | $14.6M |
| Q1 2024 | 8 | $9.01M |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding GCT Semiconductor Holding, Inc.; 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 |
| XTX Topco Ltd | 164,717 | $489.2K | 0.01% | +139,038+541.4% | Added |
| Northern Trust Corp | 155,346 | $461.4K | 0.00% | +92,645+147.8% | Added |
| Robertson Stephens Wealth Management, LLC | 150,000 | $445.5K | 0.01% | +150,000 | New |
| SEI Investments Co | 142,901 | $424.4K | 0.00% | +142,901 | New |
| Jane Street Group, LLC | 133,082 | $395.3K | 0.00% | +133,082 | New |
| Team Hewins, LLC | 125,640 | $373.2K | 0.10% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 112,837 | $335.1K | 0.00% | +45,324+67.1% | Added |
| ExodusPoint Capital Management, LP | 88,539 | $263.0K | 0.00% | +88,539 | New |
| Citadel Advisors LLC | 77,168 | $229.2K | 0.00% | +77,168 | New |
| Bridgeway Capital Management, LLC | 75,000 | $222.8K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 65,817 | $195.5K | 0.03% | +65,798+346,305.3% | Added |
| Colony Group, LLC | 64,000 | $190.1K | 0.00% | +64,000 | New |
| Bank of America Corp | 63,164 | $187.6K | 0.00% | +151+0.2% | Added |
| Susquehanna International Group, LLP | 58,713 | $174.4K | 0.00% | +58,713 | New |
| B. Riley Financial, Inc. | 56,818 | $168.7K | 0.04% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 49,250 | $146.3K | 0.00% | +49,250 | New |
| Royal Bank of Canada | 49,213 | $146.0K | 0.00% | +46,956+2,080.5% | Added |
| Morgan Stanley | 43,532 | $129.3K | 0.00% | +24,243+125.7% | Added |
| Jefferies Financial Group Inc. | 39,400 | $117.0K | 0.00% | +39,400 | New |
| Spark Investment Management LLC | 37,100 | $110.2K | 0.22% | +37,100 | New |
| Millennium Management LLC | 31,956 | $94.9K | 0.00% | +31,956 | New |
| Citigroup Inc | 31,845 | $94.6K | 0.00% | +31,845 | New |
| Two Sigma Investments, LP | 31,730 | $94.2K | 0.00% | +31,730 | New |
| Engineers Gate Manager LP | 30,248 | $89.8K | 0.00% | +6,732+28.6% | Added |
| Vanguard Global Advisers, LLC | 27,623 | $82.0K | 0.00% | +17,242+166.1% | Added |
| Axq Capital, LP | 25,898 | $76.9K | 0.01% | +25,898 | New |
| LPL Financial LLC | 20,935 | $62.2K | 0.00% | +10,935+109.4% | Added |
| Braeburn Wealth Management LLC | 15,500 | $46.0K | 0.02% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 15,000 | $44.5K | 0.00% | +15,000 | New |
| Bank of New York Mellon Corp | 12,675 | $37.6K | 0.00% | +12,675 | New |
| StoneX Group Inc. | 12,835 | $37.4K | 0.00% | +12,835 | New |
| IMC-Chicago, LLC | 10,700 | $31.8K | 0.00% | +10,700 | New |
| Barclays PLC | 7,090 | $21.1K | 0.00% | +7,090 | New |
| Simplex Trading, LLC | 7,048 | $20.9K | 0.00% | +7,048 | New |
| JPMorgan Chase & Co | 6,213 | $15.9K | 0.00% | +6,027+3,240.3% | Added |
| FMR LLC | 3,718 | $11.0K | 0.00% | +3,718 | New |
| Advisor Group Holdings, Inc. | 3,400 | $10.1K | 0.00% | +1,400+70.0% | Added |
| Russell Investments Group, Ltd. | 3,273 | $9.72K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 2,200 | $5.17K | 0.00% | +2,200 | New |
| SBI Securities Co., Ltd. | 1,115 | $3.31K | 0.00% | +996+837.0% | Added |
| Quarry LP | 1,036 | $3.08K | 0.00% | +1,036 | New |
| BNP Paribas Arbitrage, SA | 578 | $1.72K | 0.00% | −17−2.9% | Reduced |
| SRS Capital Advisors, Inc. | 85 | $252 | 0.00% | −3,040−97.3% | Reduced |
| Kerr Financial Planning Corp | 10 | $30 | 0.00% | +10 | New |
| Avion Wealth | 153 | $0 | 0.00% | +153 | New |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −51,604−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −35,818−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −2,286−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| GM Advisory Group, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |