GCT Semiconductor HoldingGCTS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 55 institutions reported holding GCT Semiconductor Holding Inc. (GCTS) in their 13F filings, up 21 from Q1 2026. 29 opened new positions and 6 sold out. The largest holders were Vanguard Capital Management LLC ($8.9M), Renaissance Technologies ($5.0M) and Marshall Wace, LLP ($3.9M). 4 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- GCT Semiconductor Holding Inc.
- CUSIP
- 36170N107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $15.1M |
| Exits | 6 | $122K |
All 13F filers, Q1 2026 → Q2 2026: 8,665,557 shares bought and 110,480 shares sold, net +8,555,077 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 55 holders
| Vanguard Capital Management LLC | 0.00% | Add +71.9% | 2,999,130 | $8.9M |
| Renaissance Technologies | 0.01% | New | 1,695,300 | $5.0M |
| Marshall Wace, LLP | 0.00% | New | 1,296,433 | $3.9M |
| BlackRock, Inc. | 0.00% | Add +114.3% | 1,281,164 | $3.8M |
| Tudor Investment Corporation | 0.01% | New | 818,485 | $2.4M |
| Geode Capital Management, LLC | 0.00% | Add +61.8% | 767,459 | $2.3M |
| UBS Group AG | 0.00% | Add +1629.6% | 646,238 | $1.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +69.3% | 416,917 | $1.2M |
| State Street Corp. | 0.00% | Add +46.8% | 353,089 | $1.0M |
| Informed Momentum Co LLC | 0.06% | New | 241,246 | $717K |
| XTX Topco Ltd | 0.01% | Add +541.5% | 164,717 | $489K |
| Northern Trust Corp. | 0.00% | Add +147.8% | 155,346 | $461K |
| Robertson Stephens Wealth Management, LLC | 0.01% | New | 150,000 | $446K |
| Sei Investments Co. | 0.00% | New | 142,901 | $424K |
| Jane Street Group, LLC | 0.00% | New | 133,082 | $395K |
| Team Hewins, LLC | 0.10% | No change | 125,640 | $373K |
| Goldman Sachs Group Inc. | 0.00% | Add +67.1% | 112,837 | $335K |
| ExodusPoint Capital Management, LP | 0.00% | New | 88,539 | $263K |
| Citadel Advisors | 0.00% | New | 77,168 | $229K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 75,000 | $223K |
| Caitong International Asset Management Co., Ltd | 0.03% | Add +346305.3% | 65,817 | $195K |
| Focus Partners Wealth | 0.00% | New | 64,000 | $190K |
| Bank of America Corp. | 0.00% | Add +0.2% | 63,164 | $188K |
| Susquehanna International Group, LLP | 0.00% | New | 58,713 | $174K |
| BRC Group Holdings, Inc. | 0.04% | No change | 56,818 | $169K |
| Independent Financial Group, LLC | 0.00% | New | 49,250 | $146K |
| Royal Bank of Canada | 0.00% | Add +2080.5% | 49,213 | $146K |
| Morgan Stanley | 0.00% | Add +125.7% | 43,532 | $129K |
| Jefferies Financial Group Inc. | 0.00% | New | 39,400 | $117K |
| Spark Investment Management LLC | 0.21% | New | 37,100 | $110K |
| Millennium Management | 0.00% | New | 31,956 | $95K |
| Citigroup Inc. | 0.00% | New | 31,845 | $95K |
| Two Sigma Investments, LP | 0.00% | New | 31,730 | $94K |
| Engineers Gate Manager LP | 0.00% | Add +28.6% | 30,248 | $90K |
| Vanguard Global Advisers, LLC | 0.00% | Add +166.1% | 27,623 | $82K |
| Axq Capital, LP | 0.01% | New | 25,898 | $77K |
| LPL Financial LLC | 0.00% | Add +109.3% | 20,935 | $62K |
| Braeburn Wealth Management LLC | 0.02% | No change | 15,500 | $46K |
| Rockefeller Capital Management L.P. | 0.00% | New | 15,000 | $45K |
| Bank of New York Mellon Corp | 0.00% | New | 12,675 | $38K |
| StoneX Group Inc. | 0.00% | New | 12,835 | $37K |
| IMC-Chicago, LLC | 0.00% | New | 10,700 | $32K |
| Barclays PLC | 0.00% | New | 7,090 | $21K |
| Simplex Trading, LLC | 0.00% | New | 7,048 | $21K |
| JPMorgan Chase & Co. | 0.00% | Add +3240.3% | 6,213 | $16K |
| FMR LLC | 0.00% | New | 3,718 | $11K |
| Osaic Holdings, Inc. | 0.00% | Add +70.0% | 3,400 | $10K |
| Russell Investments Group, Ltd. | 0.00% | No change | 3,273 | $10K |
| Jones Financial Companies LLLP | 0.00% | New | 2,200 | $5K |
| SBI Securities Co., Ltd. | 0.00% | Add +837.0% | 1,115 | $3K |
| Quarry LP | 0.00% | New | 1,036 | $3K |
| BNP Paribas Financial Markets | 0.00% | Reduce -2.9% | 578 | $2K |
| Arax Advisory Partners | 0.00% | Reduce -97.3% | 85 | $252 |
| KERR FINANCIAL PLANNING Corp | 0.00% | New | 10 | $30 |
| Avion Wealth | 0.00% | New | 153 | $0 |
"% of holder's portfolio" is GCTS's weight in each manager's 13F, not the share of GCT Semiconductor Holding Inc. the manager owns.