40 institutions reported holding $5.1M of GCT Semiconductor Holding Inc (GCTS) in SEC 13F filings for 2026-03-31. Largest institutional holders: VANGUARD CAPITAL MANAGEMENT LLC ($2.0M), BlackRock, Inc. ($681,660), GEODE CAPITAL MANAGEMENT, LLC ($540,926), GM Advisory Group, LLC ($495,280), VANGUARD FIDUCIARY TRUST CO ($280,718). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $2.0M | 1.7M | New |
| 2 | BlackRock, Inc. | $681,660 | 597,947 | Added |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $540,926 | 474,346 | Added |
| 4 | GM Advisory Group, LLC | $495,280 | 434,456 | Added |
| 5 | VANGUARD FIDUCIARY TRUST CO | $280,718 | 246,244 | New |
| 6 | STATE STREET CORP | $274,271 | 240,589 | Added |
| 7 | Team Hewins, LLC | $143,230 | 125,640 | Hold |
| 8 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $85,500 | 75,000 | Hold |
| 9 | GOLDMAN SACHS GROUP INC | $76,965 | 67,513 | Added |
| 10 | BANK OF AMERICA CORP /DE/ | $71,835 | 63,013 | Trimmed |
| 11 | NORTHERN TRUST CORP | $71,479 | 62,701 | Hold |
| 12 | B. Riley Financial, Inc. | $64,773 | 56,818 | Hold |
| 13 | Point72 Asset Management, L.P. | $58,829 | 51,604 | New |
| 14 | UBS Group AG | $42,594 | 37,363 | Added |
| 15 | HRT FINANCIAL LP | $40,000 | 35,818 | New |
| 16 | XTX Topco Ltd | $29,274 | 25,679 | Added |
| 17 | Engineers Gate Manager LP | $26,808 | 23,516 | Hold |
| 18 | MORGAN STANLEY | $21,989 | 19,289 | Hold |
| 19 | Braeburn Wealth Management LLC | $17,670 | 15,500 | Hold |
| 20 | Schonfeld Strategic Advisors LLC | $15,047 | 13,200 | New |
| 21 | Vanguard Global Advisers, LLC | $11,834 | 10,381 | New |
| 22 | LPL Financial LLC | $11,400 | 10,000 | New |
| 23 | MAI Capital Management | $5,016 | 4,400 | New |
| 24 | Russell Investments Group, Ltd. | $3,731 | 3,273 | New |
| 25 | Arax Advisory Partners | $3,563 | 3,125 | New |
Source: SEC Form 13F filings · as of 2026-03-31