GCT Semiconductor Holding, Inc.

GCTS

Exchange: NYSE
Industry: Semiconductors & Related Devices
SEC CIK: 0001851961

SEC filings (opens in a new tab)

No open-market purchases or sales by GCT Semiconductor Holding, Inc. insiders were filed in the last 90 days; 55 institutions reported holding it in 13F filings for Q2 2026, worth $37.3M in total; no superinvestor holds it.

Other share classesGCTS.WT

Q2 2026 vs. Q1 2026

How the institutions holding GCT Semiconductor Holding, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of GCTS: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	34	2	55	+23
Shares	4.45M	434.7K	12.6M	+8.56M (+213.1%)
Value	$5.07M	$495.6K	$37.3M	+$32.8M (+715.5%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (29)

Institutions that held GCT Semiconductor Holding, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to GCTS in Q2 2026
Institution	Shares	Value	% of portfolio
Renaissance Technologies LLC	1,695,300	$5.04M	0.01%
Marshall Wace, LLP	1,296,433	$3.85M	0.00%
Tudor Investment Corp Et Al	818,485	$2.43M	0.01%
EAM Investors, LLC	241,246	$716.5K	0.06%
Robertson Stephens Wealth Management, LLC	150,000	$445.5K	0.01%
SEI Investments Co	142,901	$424.4K	0.00%
Jane Street Group, LLC	133,082	$395.3K	0.00%
ExodusPoint Capital Management, LP	88,539	$263.0K	0.00%
Citadel Advisors LLC	77,168	$229.2K	0.00%
Colony Group, LLC	64,000	$190.1K	0.00%
Susquehanna International Group, LLP	58,713	$174.4K	0.00%
Independent Financial Group, LLC	49,250	$146.3K	0.00%
Jefferies Financial Group Inc.	39,400	$117.0K	0.00%
Spark Investment Management LLC	37,100	$110.2K	0.22%
Millennium Management LLC	31,956	$94.9K	0.00%
Citigroup Inc	31,845	$94.6K	0.00%
Two Sigma Investments, LP	31,730	$94.2K	0.00%
Axq Capital, LP	25,898	$76.9K	0.01%
Rockefeller Capital Management L.P.	15,000	$44.5K	0.00%
Bank of New York Mellon Corp	12,675	$37.6K	0.00%
StoneX Group Inc.	12,835	$37.4K	0.00%
IMC-Chicago, LLC	10,700	$31.8K	0.00%
Barclays PLC	7,090	$21.1K	0.00%
Simplex Trading, LLC	7,048	$20.9K	0.00%
FMR LLC	3,718	$11.0K	0.00%
Jones Financial Companies LLLP	2,200	$5.17K	0.00%
Quarry LP	1,036	$3.08K	0.00%
Kerr Financial Planning Corp	10	$30	0.00%
Avion Wealth	153	$0	0.00%

Sold out (6)

Institutions that held GCT Semiconductor Holding, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of GCTS in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Point72 Asset Management, L.P.	51,604	$58.8K
HRT Financial LP	35,818	$40.0K
Schonfeld Strategic Advisors LLC	13,200	$15.0K
MAI Capital Management	4,400	$5.02K
Tower Research Capital LLC (TRC)	2,286	$2.61K
Optiver Holding B.V.	115	$131

Not filed for Q2 2026 yet (2)

Institutions that held GCT Semiconductor Holding, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GCTS in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
GM Advisory Group, Inc.	434,456	$495.3K
CWM, LLC	265	$302