GCT Semiconductor Holding, Inc. - GCTS

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
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 No change 2,999,130 8,907 0.0% 0.0% 1 0 0.0% Q2 2026 Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 1,695,300 5,035 0.01% 0.01% 2 0 0.0% Q2 2026 Aug 13, 2026
MARSHALL WACE, LLP History No change 1,296,433 3,850 0.0% 0.0% 3 0 0.0% Q2 2026 Aug 13, 2026
BlackRock, Inc. History No change 1,281,164 3,805 0.0% 0.0% 4 0 0.0% Q2 2026 Aug 07, 2026
TUDOR INVESTMENT CORP ET AL History No change 818,485 2,430 0.0% 0.0% 5 0 0.0% Q2 2026 Aug 14, 2026
UBS Group AG History Added to 892,532 1,892 0.0% 0.0% 6 +246,294 38.11% Q3 2026 Nov 10, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 811,007 1,720 0.0% 0.0% 7 +43,548 5.67% Q3 2026 Nov 06, 2026
VANGUARD FIDUCIARY TRUST CO History No change 416,917 1,238 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 13, 2026
STATE STREET CORP History No change 353,089 1,048 0.0% 0.0% 9 0 0.0% Q2 2026 Sep 22, 2026
Robertson Stephens Wealth Management, LLC History Added to 455,500 965 0.02% 0.01% 10 +305,500 203.67% Q3 2026 Oct 16, 2026
Informed Momentum Co LLC History No change 241,246 716 0.06% 0.06% 11 0 0.0% Q2 2026 Aug 13, 2026
Larson Financial Group LLC History New 330,000 699 0.02% — 12 +330,000 New Q3 2026 Nov 05, 2026
XTX Topco Ltd History No change 164,717 489 0.01% 0.01% 13 0 0.0% Q2 2026 Aug 14, 2026
JANE STREET GROUP, LLC History No change 161,982 481 0.0% 0.0% 14 0 0.0% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History No change 155,346 461 0.0% 0.0% 15 0 0.0% Q2 2026 Aug 13, 2026
Team Hewins, LLC History No change 125,640 373 0.1% 0.1% 16 0 0.0% Q2 2026 Jul 29, 2026
CITADEL ADVISORS LLC History No change 120,268 357 0.0% 0.0% 17 0 0.0% Q2 2026 Sep 02, 2026
GOLDMAN SACHS GROUP INC History No change 112,837 335 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 14, 2026
Asset Management One Co., Ltd. History New 124,610 264 0.0% — 19 +124,610 New Q3 2026 Oct 27, 2026
ExodusPoint Capital Management, LP History No change 88,539 262 0.0% 0.0% 20 0 0.0% Q2 2026 Aug 14, 2026
Caitong International Asset Management Co., Ltd History Added to 105,665 224 0.02% 0.03% 21 +39,848 60.54% Q3 2026 Oct 29, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 75,000 222 0.0% 0.0% 22 0 0.0% Q2 2026 Aug 14, 2026
Focus Partners Wealth History No change 64,000 190 0.0% 0.0% 23 0 0.0% Q2 2026 Aug 12, 2026
BANK OF AMERICA CORP /DE/ History No change 63,164 187 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 58,713 174 0.0% 0.0% 25 0 0.0% Q2 2026 Aug 14, 2026
BRC Group Holdings, Inc. History No change 56,818 168 0.04% 0.04% 26 0 0.0% Q2 2026 Aug 14, 2026
Squarepoint Ops LLC History New 77,162 163 0.0% — 27 +77,162 New Q3 2026 Nov 09, 2026
ROYAL BANK OF CANADA History No change 49,213 146 0.0% 0.0% 28 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 43,532 129 0.0% 0.0% 29 0 0.0% Q2 2026 Aug 13, 2026
Spark Investment Management LLC History No change 37,100 110 0.21% 0.21% 30 0 0.0% Q2 2026 Aug 10, 2026
TWO SIGMA INVESTMENTS, LP History No change 31,730 94 0.0% 0.0% 31 0 0.0% Q2 2026 Aug 14, 2026
MILLENNIUM MANAGEMENT LLC History No change 31,956 94 0.0% 0.0% 32 0 0.0% Q2 2026 Aug 14, 2026
BARCLAYS PLC History Added to 42,808 90 0.0% 0.0% 33 +35,718 503.78% Q3 2026 Nov 06, 2026
Engineers Gate Manager LP History No change 30,248 89 0.0% 0.0% 34 0 0.0% Q2 2026 Aug 14, 2026
Jefferies Financial Group Inc. History No change 39,400 83 0.0% 0.0% 35 0 0.0% Q3 2026 Nov 05, 2026
Vanguard Global Advisers, LLC History No change 27,623 82 0.0% 0.0% 36 0 0.0% Q2 2026 Aug 13, 2026
StoneX Group Inc. History Added to 40,689 78 0.0% 0.0% 37 +27,854 217.02% Q3 2026 Nov 03, 2026
AXQ CAPITAL, LP History No change 25,898 76 0.01% 0.01% 38 0 0.0% Q2 2026 Aug 06, 2026
M Holdings Securities, Inc. History New 58,904 60 0.0% — 39 +58,904 New Q3 2026 Nov 03, 2026
LPL Financial LLC History Added to 22,810 48 0.0% 0.0% 40 +1,875 8.96% Q3 2026 Nov 06, 2026
Rockefeller Capital Management L.P. History No change 15,000 44 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 13, 2026
Ground Swell Capital, LLC History New 18,463 39 0.09% — 42 +18,463 New Q3 2026 Nov 09, 2026
Y-Intercept (Hong Kong) Ltd History New 17,931 38 0.0% — 43 +17,931 New Q3 2026 Oct 16, 2026
COMMONWEALTH EQUITY SERVICES, LLC History New 16,633 35 0.0% — 44 +16,633 New Q3 2026 Nov 02, 2026
Braeburn Wealth Management LLC History No change 15,500 32 0.01% 0.02% 45 0 0.0% Q3 2026 Oct 15, 2026
CITIGROUP INC History Reduced 12,472 26 0.0% 0.0% 46 -19,373 -60.84% Q3 2026 Nov 04, 2026
Bank of New York Mellon Corp History Added to 12,676 26 0.0% 0.0% 47 +1 0.01% Q3 2026 Nov 05, 2026
Belpointe Asset Management LLC History New 10,000 21 0.0% — 48 +10,000 New Q3 2026 Nov 09, 2026
Fortis Capital Advisors, LLC History New 10,000 21 0.0% — 49 +10,000 New Q3 2026 Nov 09, 2026
JPMORGAN CHASE & CO History No change 6,213 15 0.0% 0.0% 50 0 0.0% Q2 2026 Aug 12, 2026
OSAIC HOLDINGS, INC. History No change 3,400 10 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 14, 2026
SIMPLEX TRADING, LLC History Reduced 4,006 8 0.0% 0.0% 52 -3,042 -43.16% Q3 2026 Nov 04, 2026
Russell Investments Group, Ltd. History No change 3,273 6 0.0% 0.0% 53 0 0.0% Q3 2026 Nov 06, 2026
JONES FINANCIAL COMPANIES LLLP History No change 2,200 5 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 14, 2026
FMR LLC History Reduced 1,962 4 0.0% 0.0% 55 -1,756 -47.23% Q3 2026 Nov 10, 2026
Quarry LP History No change 1,036 3 0.0% 0.0% 56 0 0.0% Q2 2026 Aug 14, 2026
SBI Securities Co., Ltd. History Reduced 1,089 2 0.0% 0.0% 57 -26 -2.33% Q3 2026 Oct 21, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 578 1 0.0% 0.0% 58 0 0.0% Q2 2026 Aug 13, 2026
Bare Financial Services, Inc History No change 756 1 0.0% 0.0% 59 0 0.0% Q3 2026 Nov 04, 2026
SEI INVESTMENTS CO History Closed out 0 0 — 0.0% — -142,901 -100.0% Q3 2026 Nov 10, 2026
INDEPENDENT FINANCIAL GROUP, LLC History Closed out 0 0 — 0.0% — -49,250 -100.0% Q3 2026 Oct 13, 2026
IMC-Chicago, LLC History Closed out 0 0 — 0.0% — -10,700 -100.0% Q3 2026 Nov 05, 2026
Avion Wealth History Closed out 0 0 — — — -153 -100.0% Q3 2026 Nov 03, 2026
HARBOUR INVESTMENTS, INC. History Closed out 0 0 — — — -100 -100.0% Q3 2026 Nov 09, 2026
Arax Advisory Partners History No change 85 0 — — — 0 0.0% Q2 2026 Aug 10, 2026
Fortitude Family Office, LLC History No change 250 0 — — — 0 0.0% Q3 2026 Oct 14, 2026
KERR FINANCIAL PLANNING Corp History No change 10 0 — — — 0 0.0% Q2 2026 Jul 02, 2026