GCTS — GCT SEMICONDUCTOR HLDG INC
As of Q2 2026, 16 SEC-registered investment managers reported holding GCTS (GCT SEMICONDUCTOR HLDG INC) in their latest 13F filings, with a combined reported value of $18.71M across 6.30M shares. That is +358.6% by share count (+4.93M shares) versus the previous quarter, while reported value moved +1094.5%. Ownership is concentrated: the five largest holders account for 90.3% of reported value and the top ten for 98.1%.
Compared with the prior quarter, 9 opened new positions, 6 added to existing stakes, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
GCTS is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Renaissance Technologies history | Q2 2026 | 1.70M | $5.04M | 0.01% | New |
| Marshall Wace history | Q2 2026 | 1.30M | $3.85M | 0.00% | New |
| BlackRock Inc history | Q2 2026 | 1.28M | $3.81M | 0.00% | Add |
| Vanguard Group history | Q4 2025 | 2.01M | $2.41M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 767.46K | $2.28M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 646.24K | $1.92M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 155.35K | $461.38K | 0.00% | Add |
| Citadel Advisors history | Q2 2026 | 120.27K | $357.20K | 0.00% | New |
| Goldman Sachs Group history | Q2 2026 | 112.84K | $335.13K | 0.00% | Add |
| Bank of America Corp history | Q2 2026 | 63.16K | $187.60K | 0.00% | Hold |
| Morgan Stanley history | Q2 2026 | 43.53K | $129.29K | 0.00% | Add |
| Moore Capital Management history | Q1 2025 | 71.25K | $116.85K | 0.00% | Hold |
| Millennium Management history | Q2 2026 | 31.96K | $94.91K | 0.00% | New |
| Citigroup Inc history | Q2 2026 | 31.84K | $94.58K | 0.00% | New |
| Two Sigma Investments history | Q2 2026 | 31.73K | $94.24K | 0.00% | New |
| Charles Schwab Investment Management history | Q1 2025 | 42.93K | $70.41K | 0.00% | Hold |
| Point72 Asset Management history | Q1 2026 | 51.60K | $58.83K | 0.00% | New |
| AQR Capital Management history | Q2 2025 | 31.82K | $47.42K | 0.00% | Add |
| BNY Mellon history | Q2 2026 | 12.68K | $37.65K | 0.00% | New |
| Wells Fargo & Co history | Q2 2025 | 15.50K | $23.09K | 0.00% | Add |
New Positions (Q2 2026)
- Renaissance Technologies 1.70M sh · $5.04M
- Marshall Wace 1.30M sh · $3.85M
- Citadel Advisors 120.27K sh · $357.20K
- Millennium Management 31.96K sh · $94.91K
- Citigroup Inc 31.84K sh · $94.58K
- Two Sigma Investments 31.73K sh · $94.24K
- BNY Mellon 12.68K sh · $37.65K
- JPMorgan Chase & Co 6.21K sh · $15.90K
- Fidelity Management & Research (FMR) 3.72K sh · $11.04K
Fully Exited (vs previous quarter)
- Point72 Asset Management sold 51.60K sh · $58.83K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Renaissance Technologies | — | — | — | 25.00K | — | — | 157.58K | — | — | 1.70M |
| Marshall Wace | — | — | — | — | — | — | 51.67K | — | — | 1.30M |
| BlackRock Inc | — | — | 871.59K | 876.43K | 868.31K | 571.23K | 567.62K | 580.54K | 597.95K | 1.28M |
| Geode Capital Management | — | 415.13K | 423.58K | 425.15K | 435.94K | 351.55K | 397.08K | 414.94K | 474.35K | 767.46K |
| UBS Group AG | 440 | 2.29K | 7.88K | 24.23K | 502.26K | 297.49K | 19.62K | 19.84K | 37.36K | 646.24K |
| Northern Trust Corp | — | 74.12K | 116.55K | 106.48K | 107.83K | 62.70K | 62.70K | 62.70K | 62.70K | 155.35K |
| Citadel Advisors | — | — | — | — | — | — | — | — | — | 120.27K |
| Goldman Sachs Group | — | — | 52.23K | 44.38K | 69.92K | 72.34K | 92.59K | 63.08K | 67.51K | 112.84K |
| Bank of America Corp | — | 3.83K | 6.14K | 8.37K | 5.65K | 63.47K | 63.65K | 63.43K | 63.01K | 63.16K |
| Morgan Stanley | 15 | 11.48K | 24.70K | 34.96K | 24.38K | 18.72K | 17.30K | 19.29K | 19.29K | 43.53K |
| Millennium Management | — | — | — | — | — | — | — | — | — | 31.96K |
| Citigroup Inc | — | 1.65K | 5.46K | 6.25K | 5.56K | — | 114 | — | — | 31.84K |
| Two Sigma Investments | — | — | — | — | — | — | — | — | — | 31.73K |
| BNY Mellon | — | 17.16K | 16.03K | 16.03K | 16.03K | — | — | — | — | 12.68K |
| JPMorgan Chase & Co | — | 4.63K | 27.26K | 28.80K | 12.18K | 627 | 91 | 186 | — | 6.21K |
| Fidelity Management & Research (FMR) | — | — | 40.05K | 40.06K | 46.80K | 1.38K | 151 | 151 | — | 3.72K |
| Point72 Asset Management | — | — | — | — | — | — | — | — | 51.60K | — |
| Vanguard Group | — | 554.63K | 554.38K | 734.20K | 881.94K | 1.53M | 1.58M | 2.01M | — | — |
| AQR Capital Management | — | — | 25.53K | 13.86K | 18.15K | 31.82K | — | — | — | — |
| Legal & General Investment Management America | — | 1.20K | 1.20K | 1.20K | 1.20K | — | — | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details