GCT Semiconductor Holding, Inc. - GCTS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 2,999,130 | 8,907 | 0.0% | 0.0% | 1 | +1,254,181 | 71.87% | Q2 2026 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 1,695,300 | 5,035 | 0.01% | — | 2 | +1,695,300 | New | Q2 2026 | Aug 13, 2026 |
| MARSHALL WACE, LLP | History | New | 1,296,433 | 3,850 | 0.0% | — | 3 | +1,296,433 | New | Q2 2026 | Aug 13, 2026 |
| BlackRock, Inc. | History | Added to | 1,281,164 | 3,805 | 0.0% | 0.0% | 4 | +683,217 | 114.26% | Q2 2026 | Aug 07, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | New | 818,485 | 2,430 | 0.0% | — | 5 | +818,485 | New | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 767,459 | 2,279 | 0.0% | 0.0% | 6 | +293,113 | 61.79% | Q2 2026 | Aug 12, 2026 |
| UBS Group AG | History | Added to | 646,238 | 1,919 | 0.0% | 0.0% | 7 | +608,875 | 1629.62% | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 416,917 | 1,238 | 0.0% | 0.0% | 8 | +170,673 | 69.31% | Q2 2026 | Aug 13, 2026 |
| STATE STREET CORP | History | Added to | 353,089 | 1,048 | 0.0% | 0.0% | 9 | +112,500 | 46.76% | Q2 2026 | Sep 22, 2026 |
| Informed Momentum Co LLC | History | New | 241,246 | 716 | 0.06% | — | 10 | +241,246 | New | Q2 2026 | Aug 13, 2026 |
| GM Advisory Group, LLC | History | No change | 434,456 | 495 | 0.02% | 0.02% | 11 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| XTX Topco Ltd | History | Added to | 164,717 | 489 | 0.01% | 0.0% | 12 | +139,038 | 541.45% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | New | 161,982 | 481 | 0.0% | — | 13 | +161,982 | New | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Added to | 155,346 | 461 | 0.0% | 0.0% | 14 | +92,645 | 147.76% | Q2 2026 | Aug 13, 2026 |
| Robertson Stephens Wealth Management, LLC | History | New | 150,000 | 445 | 0.01% | — | 15 | +150,000 | New | Q2 2026 | Jul 29, 2026 |
| SEI INVESTMENTS CO | History | New | 142,901 | 424 | 0.0% | — | 16 | +142,901 | New | Q2 2026 | Aug 14, 2026 |
| Team Hewins, LLC | History | No change | 125,640 | 373 | 0.1% | 0.04% | 17 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| CITADEL ADVISORS LLC | History | New | 120,268 | 357 | 0.0% | — | 18 | +120,268 | New | Q2 2026 | Sep 02, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 112,837 | 335 | 0.0% | 0.0% | 19 | +45,324 | 67.13% | Q2 2026 | Aug 14, 2026 |
| ExodusPoint Capital Management, LP | History | New | 88,539 | 262 | 0.0% | — | 20 | +88,539 | New | Q2 2026 | Aug 14, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 75,000 | 222 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Caitong International Asset Management Co., Ltd | History | Added to | 65,817 | 195 | 0.03% | — | 22 | +65,798 | 346305.26% | Q2 2026 | Aug 04, 2026 |
| Focus Partners Wealth | History | New | 64,000 | 190 | 0.0% | — | 23 | +64,000 | New | Q2 2026 | Aug 12, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 63,164 | 187 | 0.0% | 0.0% | 24 | +151 | 0.24% | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 58,713 | 174 | 0.0% | — | 25 | +58,713 | New | Q2 2026 | Aug 14, 2026 |
| BRC Group Holdings, Inc. | History | No change | 56,818 | 168 | 0.04% | 0.01% | 26 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| INDEPENDENT FINANCIAL GROUP, LLC | History | New | 49,250 | 146 | 0.0% | — | 28 | +49,250 | New | Q2 2026 | Jul 15, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 49,213 | 146 | 0.0% | 0.0% | 27 | +46,956 | 2080.46% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | Added to | 43,532 | 129 | 0.0% | 0.0% | 29 | +24,243 | 125.68% | Q2 2026 | Aug 13, 2026 |
| Jefferies Financial Group Inc. | History | New | 39,400 | 117 | 0.0% | — | 30 | +39,400 | New | Q2 2026 | Aug 17, 2026 |
| Spark Investment Management LLC | History | New | 37,100 | 110 | 0.21% | — | 31 | +37,100 | New | Q2 2026 | Aug 10, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 31,956 | 94 | 0.0% | — | 34 | +31,956 | New | Q2 2026 | Aug 14, 2026 |
| CITIGROUP INC | History | New | 31,845 | 94 | 0.0% | — | 32 | +31,845 | New | Q2 2026 | Aug 03, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 31,730 | 94 | 0.0% | — | 33 | +31,730 | New | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager LP | History | Added to | 30,248 | 89 | 0.0% | 0.0% | 35 | +6,732 | 28.63% | Q2 2026 | Aug 14, 2026 |
| Vanguard Global Advisers, LLC | History | Added to | 27,623 | 82 | 0.0% | 0.0% | 36 | +17,242 | 166.09% | Q2 2026 | Aug 13, 2026 |
| AXQ CAPITAL, LP | History | New | 25,898 | 76 | 0.01% | — | 37 | +25,898 | New | Q2 2026 | Aug 06, 2026 |
| LPL Financial LLC | History | Added to | 20,935 | 62 | 0.0% | 0.0% | 38 | +10,935 | 109.35% | Q2 2026 | Aug 07, 2026 |
| Braeburn Wealth Management LLC | History | No change | 15,500 | 46 | 0.02% | 0.01% | 39 | 0 | 0.0% | Q2 2026 | Jul 21, 2026 |
| Rockefeller Capital Management L.P. | History | New | 15,000 | 44 | 0.0% | — | 40 | +15,000 | New | Q2 2026 | Aug 13, 2026 |
| StoneX Group Inc. | History | New | 12,835 | 37 | 0.0% | — | 41 | +12,835 | New | Q2 2026 | Aug 12, 2026 |
| Bank of New York Mellon Corp | History | New | 12,675 | 37 | 0.0% | — | 42 | +12,675 | New | Q2 2026 | Aug 06, 2026 |
| IMC-Chicago, LLC | History | New | 10,700 | 31 | 0.0% | — | 43 | +10,700 | New | Q2 2026 | Aug 06, 2026 |
| BARCLAYS PLC | History | New | 7,090 | 21 | 0.0% | — | 44 | +7,090 | New | Q2 2026 | Aug 14, 2026 |
| SIMPLEX TRADING, LLC | History | New | 7,048 | 20 | 0.0% | — | 45 | +7,048 | New | Q2 2026 | Aug 12, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 6,213 | 15 | 0.0% | — | 46 | +6,027 | 3240.32% | Q2 2026 | Aug 12, 2026 |
| FMR LLC | History | New | 3,718 | 11 | 0.0% | — | 47 | +3,718 | New | Q2 2026 | Aug 13, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 3,400 | 10 | 0.0% | 0.0% | 48 | +1,400 | 70.0% | Q2 2026 | Aug 14, 2026 |
| Russell Investments Group, Ltd. | History | No change | 3,273 | 9 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 2,200 | 5 | 0.0% | — | 50 | +2,200 | New | Q2 2026 | Aug 14, 2026 |
| Quarry LP | History | New | 1,036 | 3 | 0.0% | — | 52 | +1,036 | New | Q2 2026 | Aug 14, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 1,115 | 3 | 0.0% | — | 51 | +996 | 836.97% | Q2 2026 | Jul 22, 2026 |
| Bare Financial Services, Inc | History | New | 756 | 2 | 0.0% | — | 53 | +756 | New | Q2 2026 | Jul 27, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 578 | 1 | 0.0% | — | 54 | -17 | -2.86% | Q2 2026 | Aug 13, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -51,604 | -100.0% | Q2 2026 | Aug 14, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -35,818 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,200 | -100.0% | Q2 2026 | Aug 14, 2026 |
| MAI Capital Management | History | Closed out | 0 | 0 | — | 0.0% | — | -4,400 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Arax Advisory Partners | History | Reduced | 85 | 0 | — | 0.0% | — | -3,040 | -97.28% | Q2 2026 | Aug 10, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -2,286 | -100.0% | Q2 2026 | Aug 11, 2026 |
| North Star Investment Management Corp. | History | Closed out | 0 | 0 | — | — | — | -329 | -100.0% | Q2 2026 | Jul 28, 2026 |
| Avion Wealth | History | New | 153 | 0 | — | — | — | +153 | New | Q2 2026 | Jul 31, 2026 |
| Fortitude Family Office, LLC | History | Reduced | 250 | 0 | — | — | — | -150 | -37.5% | Q2 2026 | Jul 20, 2026 |
| Optiver Holding B.V. | History | Closed out | 0 | 0 | — | — | — | -115 | -100.0% | Q2 2026 | Aug 12, 2026 |
| HARBOUR INVESTMENTS, INC. | History | New | 100 | 0 | — | — | — | +100 | New | Q2 2026 | Aug 12, 2026 |
| KERR FINANCIAL PLANNING Corp | History | New | 10 | 0 | — | — | — | +10 | New | Q2 2026 | Jul 02, 2026 |
| CWM, LLC | History | No change | 265 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |