GCT Semiconductor Holding GCTS Institutional Ownership

NYSE GCTS

$2.13 +0.02 (+0.71%)

As of: Oct 1, 2026 · 3:59 PM EDT

Institutions by Trading Activity

55 Institutions

Increased 48 87.3%

Unchanged 5 9.1%

Reduced 2 3.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

15.23%

▲+8.49 pp QoQ

Shares Held by Institutions

12.57Mn

of 82.56Mn outstanding

▲+221.66% QoQ

Shares Outstanding

82.56Mn

69.99Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+21 vs prior quarter

Net Shares Added (QoQ)

+8.66Mn

accumulated since last quarter

Value of Holdings

$26.65Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

GCT Semiconductor Holding, Inc. (NYSE:GCTS) has 55 institutional investors with active 13F positions as of June 2026.

These investors collectively held 15.2% of GCT Semiconductor Holding's outstanding shares in June 2026, up from 6.7% in March 2026.
They increased total shares held in GCT Semiconductor Holding by 221.66% from last quarter, and the number of investors in GCTS increased 77.42% annually.
Of these 55 funds, 48 grew their exposure to GCT Semiconductor Holding, 2 cut back, and 5 maintained positions.
In total, institutional investors held 12.57Mn shares in GCT Semiconductor Holding as of June 2026, up by 8.66Mn shares quarter on quarter, and up 8.4Mn shares year over year.
As of June 30, 2026, the biggest holder of GCT Semiconductor Holding is VANGUARD CAPITAL MANAGEMENT LLC at 3.0Mn shares, representing 3.63% of shares outstanding.
The biggest buyers of GCT Semiconductor Holding for the quarter ending June 2026 included RENAISSANCE TECHNOLOGIES LLC (1.7Mn), MARSHALL WACE, LLP (1.3Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.25Mn), TUDOR INVESTMENT CORP ET AL (818.48K), BlackRock, Inc. (683.22K).
Top sellers of GCTS stock for the quarter ending June 2026 included Arax Advisory Partners (3.04K), BNP PARIBAS FINANCIAL MARKETS (17).
Business Quant data shows the 10 biggest positions in GCT Semiconductor Holding as of June 2026 are held by VANGUARD CAPITAL MANAGEMENT LLC (3.0Mn), RENAISSANCE TECHNOLOGIES LLC (1.7Mn), MARSHALL WACE, LLP (1.3Mn), BlackRock, Inc. (1.28Mn), TUDOR INVESTMENT CORP ET AL (818.48K), GEODE CAPITAL MANAGEMENT, LLC (767.46K), UBS Group AG (646.24K), VANGUARD FIDUCIARY TRUST CO (416.92K), State Street Corp (353.09K), Informed Momentum Co LLC (241.25K).

Form 13F Holdings

55 Institutional Holders

Report period 30 Jun, 2026

Total shares held 12.57Mn

Of outstanding 15.23%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,999,130	3.63%	▲1,254,181	+71.87%	$8.91Mn
2	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,695,300	2.05%	▲1,695,300	0.00%	$5.04Mn
3	MARSHALL WACE, LLP	0001318757	1,296,433	1.57%	▲1,296,433	0.00%	$3.85Mn
4	BlackRock, Inc.	0002012383	1,281,164	1.55%	▲683,217	+114.26%	$3.81Mn
5	TUDOR INVESTMENT CORP ET AL	0000923093	818,485	0.99%	▲818,485	0.00%	$2.43Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	767,459	0.93%	▲293,113	+61.79%	$2.28Mn
7	UBS Group AG	0001610520	646,238	0.78%	▲608,875	+1,629.62%	$1.92Mn
8	VANGUARD FIDUCIARY TRUST CO	0000933478	416,917	0.51%	▲170,673	+69.31%	$1.24Mn
9	State Street Corp	0000093751	353,089	0.43%	▲112,500	+46.76%	$1.05Mn
10	Informed Momentum Co LLC	0001510989	241,246	0.29%	▲241,246	0.00%	$716.50K
11	XTX Topco Ltd	0001828301	164,717	0.20%	▲139,038	+541.45%	$489.21K
12	Northern Trust Corp	0000073124	155,346	0.19%	▲92,645	+147.76%	$461.38K
13	Robertson Stephens Wealth Management, LLC	0001767307	150,000	0.18%	▲150,000	0.00%	$445.50K
14	Sei Investments Co	0000350894	142,901	0.17%	▲142,901	0.00%	$424.42K
15	JANE STREET GROUP, LLC	0001595888	133,082	0.16%	▲133,082	0.00%	$395.25K
16	Team Hewins, LLC	0001964760	125,640	0.15%	0	0.00%	$373.15K
17	Goldman Sachs Group Inc	0000886982	112,837	0.14%	▲45,324	+67.13%	$335.13K
18	ExodusPoint Capital Management, LP	0001736225	88,539	0.11%	▲88,539	0.00%	$262.96K
19	CITADEL ADVISORS LLC	0001423053	77,168	0.09%	▲77,168	0.00%	$229.19K
20	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	75,000	0.09%	0	0.00%	$222.75K

Showing 1 to 20 of 55 holders