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GCTS · NYSE · Semiconductors

GCT Semiconductor

Designs and sells wireless communications semiconductors for 5G, 4G, and cellular IoT.

$1.90

After-hours close+0.04 (+2.15%)

At close$1.86(−2.62%)

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Profile

GCT Semiconductor Holding, Inc.GCTSInformation Technology

Designs, manufactures, and sells wireless communications semiconductors spanning 5G, 4G RF transceivers and modems, and cellular IoT chipsets. The fabless business combines San Jose commercial functions with South Korean design, development, and customer-support operations.

Designs, manufactures, and sells wireless communications semiconductors: 5G, 4.75G, 4.5G, and 4G RF transceivers and modems, plus cellular IoT chipsets. First 5G commercial shipments began in late 2025.

Sales, marketing, and accounting are managed from San Jose. Product design, development, and customer support are conducted through wholly owned South Korean subsidiaries, including an R&D center. That center is part of the product-development and customer-support footprint for its wireless-chip portfolio.

International offices and support extend to South Korea, China, Taiwan, and Japan. Operations depend on additional fundraising to sustain them continuously.

Company facts

CEOJohn Schlaefer

ListedMar 27, 2024

ExchangeNYSE

HeadquartersSan Jose, CA

CountryUnited States

Employees126

CIK0001851961

ISINUS36170N1072

Key statistics

Market cap$169.2M

EPS (ttm)−$0.8100

P/E (ttm)−2.30

ROE73.4%

P/B−2.95

P/S41.48

Dividend yield—

Beta1.44vs XLK 1.25

Year to date +52.5% · Average volume (30d) 2.2M

Analysts

Price target, next 12 months$3.00+61.3%Median of 2 analysts · vs the Aug 28 close

ConsensusBuy2 of 2 analysts rate it buy or better

Ratings

Strong buyBuyHoldSellStrong sell

Target range

Last close $1.86

High$3.00+61.3%

Median$3.00+61.3%

Low$3.00+61.3%

12 months agoNowIn 12 months

Latest analyst notes

Date	Firm	Action	Target
Dec 11, 2025	H.C. Wainwright	Target	$3

Earnings

EPS

Estimate−$0.16

ReportedDue Nov 11, 2026

Revenue

Estimate$1.3M

ReportedDue Nov 11, 2026

History

Report date	EPS est	EPS	Surprise	Revenue est	Revenue	Surprise	Next session
Aug 10, 2026Q2 FY26	−$0.08	−$0.25	−233.3%	$3.3M	$971.0K	−70.6%	−16.73%
May 12, 2026Q1 FY26	−$0.13	−$0.15	−15.4%	$1.8M	$1.9M	+8.5%	−11.04%
Mar 25, 2026Q4 FY25	−$0.22	−$0.15	+31.8%	$1.1M	$756.0K	−30.8%	−11.54%
Nov 12, 2025Q3 FY25	−$0.19	−$0.25	−31.6%	$959.0K	$430.0K	−55.2%	−12.41%

View details

Financial highlights

	Q1 FY25	Q2 FY25	Q3 FY25	Q4 FY25	Q1 FY26	Q2 FY26
Revenue	$496.0K	$1.2M	$430.0K	$758.0K	$1.9M	$971.0K
Gross profit	$88.0K	$378.0K	−$1.1M	−$1.2M	$947.0K	−$226.0K
Operating income	−$7.7M	−$7.6M	−$9.3M	−$12.0M	−$6.1M	−$7.4M
Net income	−$7.0M	−$13.5M	−$13.8M	−$9.0M	−$9.9M	−$20.4M
Diluted EPS	−$0.15	−$0.26	−$0.25	−$0.16	−$0.15	−$0.25
Gross margin	17.7%	32.0%	-244.2%	-162.7%	49.3%	-23.3%
Operating margin	-1,560.5%	-642.3%	-2,152.1%	-1,577.0%	-319.4%	-763.6%

Fiscal years (4-quarter sums)FY22 $31.2M · FY23 $16.0M · FY24 $9.1M · FY25 $2.9M

Revenue by product · Q1 FY26

Service$1.4M · 62%

Product$895.0K · 38%

Revenue by geography · Q1 FY26

United States$1.4M · 75%

China$308.0K · 16%

Korea, Republic of$178.0K · 9%

Balance sheet, Jun 30, 2026Cash & short-term investments $30.2M · Total debt $347.0K · Total assets $49.8M · Shareholders' equity −$52.0M

Dividends

No dividends on record.

Ownership

Institutions 13.82%12.57M sharesInsiders 3.61%3.29M sharesOther 82.57%75.11M shares

Shares outstanding 90.96M · Float 72.68M · 79.9% free float

Top shareholders13F · 13D/G · Form 4

Holder	Shares	% outstanding	Form	Filed
Vanguard Capital Management LLC	3.00M	3.30%	13F	Aug 13, 2026
SUNP Corp	2.91M	5.20%	13G	Aug 22, 2025
Renaissance Technologies LLC	1.70M	1.86%	13F	Aug 13, 2026
Marshall Wace, LLP	1.30M	1.43%	13F	Aug 13, 2026
BlackRock, Inc.	1.28M	1.41%	13F	Aug 7, 2026

Insider tradesForm 4

Date	Insider	Role	Shares	Avg price
Nov 25, 2025	Hyunsoo Shin	director, other: Class II Director	+16,725	$1.28
Nov 20, 2025	Hyunsoo Shin	director, other: Class II Director	+25,453	$1.28
Nov 21, 2025	Hyunsoo Shin	director, other: Class II Director	+3,180	$1.28
Sep 12, 2025	Hyunsoo Shin	director, other: Class II Director	+44,067	$1.51
Sep 4, 2025	Hyunsoo Shin	director, other: Class II Director	+8,250	$1.26