GCT Semiconductor Holding, Inc.

GCTSNYSE

$2.25+0.11 (+5.14%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

GCT Semiconductor Holding, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+50.0%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Vanguard Capital Management LLC	3.26%	$8.91M	0.00%	Not reported
Toronto Dominion Bank	2.64%	$1.19M	0.00%	Not reported
Aristeia Capital, L.L.C.	2.25%	$1.03M	0.01%	Add 41.90%
Renaissance Technologies LLC	1.84%	$5.04M	0.01%	Not reported
Marshall Wace, LLP	1.41%	$3.85M	0.00%	Not reported
BlackRock, Inc.	1.39%	$3.81M	0.00%	Not reported
Tudor Investment Corp Et Al	0.89%	$2.43M	0.00%	Not reported
Geode Capital Management, LLC	0.83%	$2.28M	0.00%	Not reported
Saba Capital Management, L.P.	0.72%	$330K	0.01%	Not reported
UBS Group AG	0.70%	$1.92M	0.00%	Not reported
D. E. Shaw & Co., Inc.	0.63%	$282K	0.00%	Not reported
StoneX Group Inc.	0.61%	$214K	0.01%	Not reported
Wealthspire Advisors, LLC	0.50%	$226K	0.00%	Not reported
Sculptor Capital LP	0.46%	$205K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.45%	$1.24M	0.00%	Not reported
State Street Corp	0.38%	$1.05M	0.00%	Not reported
K2 Principal Fund, L.P.	0.31%	$139K	0.01%	Reduce 51.24%
Informed Momentum Co LLC	0.26%	$717K	0.06%	Not reported
Wolverine Asset Management LLC	0.25%	$112K	0.00%	Not reported
Calamos Advisors LLC	0.24%	$110K	0.00%	Not reported
Ionic Capital Management LLC	0.20%	$91.2K	0.01%	Not reported
Context Capital Management, LLC	0.19%	$84.4K	0.00%	Not reported
Royal Bank of Canada	0.18%	$203K	0.00%	Not reported
XTX Topco Ltd	0.18%	$489K	0.01%	Not reported
Northern Trust Corp	0.17%	$461K	0.00%	Not reported
Robertson Stephens Wealth Management, LLC	0.16%	$446K	0.01%	Not reported
Sei Investments Co	0.16%	$424K	0.00%	Not reported
Jane Street Group, LLC	0.14%	$395K	0.00%	Not reported
683 Capital Management, LLC	0.14%	$62.3K	0.00%	Reduce 77.53%
Team Hewins, LLC	0.14%	$373K	0.10%	Not reported
TENOR CAPITAL MANAGEMENT Co., L.P.	0.14%	$61.3K	0.00%	Not reported
Moore Capital Management, LP	0.14%	$61.3K	0.00%	Not reported
Greenland Capital Management LP	0.13%	$57.4K	0.01%	Not reported
CSS LLC	0.13%	$56.5K	0.00%	New Not reported
Goldman Sachs Group Inc	0.12%	$335K	0.00%	Not reported
Clear Street Group Inc.	0.11%	$49K	0.00%	Not reported
ExodusPoint Capital Management, LP	0.10%	$263K	0.00%	Not reported
Citadel Advisors LLC	0.08%	$229K	0.00%	Not reported
Bridgeway Capital Management, LLC	0.08%	$223K	0.00%	Not reported
Dupont Capital Management Corp	0.08%	$36.8K	1.69%	Not reported
Bracebridge Capital, LLC	0.08%	$36.8K	0.00%	Not reported
Caitong International Asset Management Co., Ltd	0.07%	$195K	0.03%	Not reported
Morgan Stanley	0.07%	$139K	0.00%	Not reported
Focus Partners Wealth	0.07%	$190K	0.00%	Not reported
Bank of America Corp	0.07%	$188K	0.00%	Not reported
Shaolin Capital Management LLC	0.07%	$30.5K	0.00%	Not reported
Susquehanna International Group, LLP	0.06%	$174K	0.00%	Not reported
BRC Group Holdings, Inc.	0.06%	$169K	0.04%	Not reported
Independent Financial Group, LLC	0.05%	$146K	0.00%	New Not reported
Jefferies Financial Group Inc.	0.04%	$117K	0.00%	New Not reported

50 of 76 holders

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