Top list · San Jose
Semiconductors startups in San Jose
27 semiconductors startups in San Jose have raised money in rounds we track. These are the 27 that have raised the most, $5.2B between them.
- 1
EtchedEtched is a technology company that has developed Sohu, the world’s first specialized chip (ASIC) designed specifically for transformer inference.Etched is a technology company that has developed Sohu, the world’s first specialized chip (ASIC) designed specifically for transformer inference.
Founded 2022San Jose, United States$1.0Blast round Aug 2026 - 2
Ayar LabsAyar Labs is a semiconductor company focused on transforming AI infrastructure through high-speed, light-based optical I/O solutions.Ayar Labs is a semiconductor company focused on transforming AI infrastructure through high-speed, light-based optical I/O solutions.
Founded 2015San Jose, United States$904Mlast round Oct 2026 - 3
LumilensLumilens addresses the red hot market for AI data center infrastructure by designing, manufacturing and selling photonic interconnect solutions.Lumilens addresses the red hot market for AI data center infrastructure by designing, manufacturing and selling photonic interconnect solutions.
Founded 2024San Jose, United States$709Mlast round Aug 2026 - 4Etched AIEtch believes in improving people's lives through the power of mobile technology.
Etch believes in improving people's lives through the power of mobile technology.
Founded 2011San Jose, United States$500Mlast round Jan 2026 - 5
Silicor MaterialsSilicor Materials engages in manufacturing and supplying polysilicon for solar cell production.Silicor Materials engages in manufacturing and supplying polysilicon for solar cell production.
Founded 2006San Jose, United States$345Mlast round Sept 2015 - 6
Quantenna CommunicationsQuantenna specializes in providing Wi-Fi solutions.Quantenna specializes in providing Wi-Fi solutions.
Founded 2006San Jose, United States$270Mlast round Dec 2014 - 7
SiMa.aiSiMa.ai is a leader in Physical AI, offering a software-centric, purpose-built Machine Learning System-on-Chip (MLSoC) platform.SiMa.ai is a leader in Physical AI, offering a software-centric, purpose-built Machine Learning System-on-Chip (MLSoC) platform.
Founded 2018San Jose, United States$235Mlast round Sept 2026 - 8
Frore SystemsFrore Systems is a semiconductor and thermal technology startup based in San Jose, California, with manufacturing operations in Taiwan and offices in South Korea.Frore Systems is a semiconductor and thermal technology startup based in San Jose, California, with manufacturing operations in Taiwan and offices in South Korea.
Founded 2018San Jose, United States$223Mlast round Mar 2026 - 9
SolFocusSolFocus, Inc.SolFocus, Inc.
Founded 2005San Jose, United States$211Mlast round Apr 2012 - 10
DisplayLinkDisplayLink is a hardware and software company specializing in multi-monitor and zero client computing.DisplayLink is a hardware and software company specializing in multi-monitor and zero client computing.
Founded 2003San Jose, United States$114Mlast round Sept 2012 - 11
SiBEAMSiBEAM is a fabless semiconductor company, develops intelligent millimeter wave technologies for high-bandwidth services.SiBEAM is a fabless semiconductor company, develops intelligent millimeter wave technologies for high-bandwidth services.
Founded 2004San Jose, United States$114Mlast round Mar 2010 - 12
EthernoviaEthernovia is a semiconductor and automotive networking company based in San Jose, California, founded in 2018.Ethernovia is a semiconductor and automotive networking company based in San Jose, California, founded in 2018.
Founded 2018San Jose, United States$90Mlast round Jan 2026 - 13
CNEX LABSCNEX Labs is a semiconductor manufacturing company founded in 2013 and based in San Jose, California, with additional offices in Hangzhou, Shanghai, and Copenhagen.CNEX Labs is a semiconductor manufacturing company founded in 2013 and based in San Jose, California, with additional offices in Hangzhou, Shanghai, and Copenhagen.
Founded 2013San Jose, United States$78Mlast round May 2022 - 14
KovioKovio is a semiconductor company that designs and manufactures printed silicon products.Kovio is a semiconductor company that designs and manufactures printed silicon products.
Founded 2001San Jose, United States$77Mlast round Jan 2013 - 15
Cavendish KineticsCavendish Kinetics is a MEMS platform that reduces the cost of incorporating MEMS components into semiconductors.Cavendish Kinetics is a MEMS platform that reduces the cost of incorporating MEMS components into semiconductors.
Founded 1994San Jose, United States$69Mlast round Aug 2015 - 16INPHIINPHI provides high-speed analog semiconductor solutions for the communications and computing markets in the United States.
INPHI provides high-speed analog semiconductor solutions for the communications and computing markets in the United States.
Founded 2000San Jose, United States$46Mlast round Jun 2010 - 17
TYLsemiAI infrastructure silicon requires solutions on 3 fundamentals: Power, IO and Memory apart from compute architecture.AI infrastructure silicon requires solutions on 3 fundamentals: Power, IO and Memory apart from compute architecture.
Founded -San Jose, United States$43Mlast round Jul 2026 - 18
InvenSenseInvenSense provides motion-tracking devices for consumer electronic products such as smartphones, tablets, game controllers, and others.InvenSense provides motion-tracking devices for consumer electronic products such as smartphones, tablets, game controllers, and others.
Founded 2003San Jose, United States$38Mlast round Apr 2008 - 19
SentonsSentons is a fabless semiconductor company based in Sunnyvale, California, established in 2011.Sentons is a fabless semiconductor company based in Sunnyvale, California, established in 2011.
Founded 2011San Jose, United States$38Mlast round Apr 2014 - 20
Akros SiliconAkros Silicon is a fabless semiconductor company based in San Jose, California, founded in 2006.Akros Silicon is a fabless semiconductor company based in San Jose, California, founded in 2006.
Founded 2006San Jose, United States$28Mlast round May 2014 - 21
Merlin Solar TechnologiesMerlin Solar Technologies, Inc.Merlin Solar Technologies, Inc.
Founded 2016San Jose, United States$16Mlast round Dec 2025 - 22Maskless LithographyMaskless Lithography designs and manufactures direct-write, digital imaging lithography products for high-yield PCB manufacturing.
Maskless Lithography designs and manufactures direct-write, digital imaging lithography products for high-yield PCB manufacturing.
Founded 2005San Jose, United States$15Mlast round Jul 2012 - 23
Breker Verification SystemsBreker Verification Systems is a private company based in San Jose, California, specializing in Electronic Design Automation (EDA) software.Breker Verification Systems is a private company based in San Jose, California, specializing in Electronic Design Automation (EDA) software.
Founded 2003San Jose, United States$5.0Mlast round Jul 2012 - 24
Adaptive Digital PowerAdaptive Digital Power, a fabless semiconductor company, focuses on the digital power segment of the power management IC market.Adaptive Digital Power, a fabless semiconductor company, focuses on the digital power segment of the power management IC market.
Founded 2007San Jose, United States$4.0Mlast round Aug 2010 - 25
Chip EstimateChip Estimate Corporation, an electronic design automation company, provides access to integrated chip project planning solutions.Chip Estimate Corporation, an electronic design automation company, provides access to integrated chip project planning solutions.
Founded 2003San Jose, United States$3.5Mlast round Oct 2006 - 26
DSG TechnologiesDSG Technologies is a global leader in advanced thermal processing.DSG Technologies is a global leader in advanced thermal processing.
Founded 2004San Jose, United States$2.0Mlast round Nov 2011 - 27
Cypress EnvirosystemsCypress Envirosystems, based in San Jose, California, specializes in non-invasive retrofit and digital overlay solutions for existing buildings and industrial facilities.Cypress Envirosystems, based in San Jose, California, specializes in non-invasive retrofit and digital overlay solutions for existing buildings and industrial facilities.
Founded 2007San Jose, United States$466Klast round May 2013
San Jose, United StatesCompanies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
Who backed them?
Open any company for its rounds and investors, or search the investors who back semiconductors startups in San Jose in the app, with filters, lists and exports.
More semiconductors lists
See all
G
T
CSSemiconductor startups worldwide394 companies · $36BGTCSSemiconductor startups in the United States212 companies · $27BGTCSSemiconductors startups in the United States212 companies · $27B
F
C
GSemiconductor startups in Europe109 companies · $7.6B
RCSGSemiconductors startups that raised in 2026103 companies · $25B in 2026CSG
ASemiconductors startups in the United States that raised in 202647 companies · $16B in 2026FCGSemiconductor startups in the United Kingdom37 companies · $4.7BFCGSemiconductors startups in the United Kingdom37 companies · $4.7BMore lists for San Jose
See all
V
FEStartups in San Jose372 companies · $17BEALLAI startups in San Jose80 companies · $6.4B
ME
NNIT Services startups in San Jose38 companies · $731M
E
S
ZCybersecurity startups in San Jose26 companies · $1.5B
C
Z
LLBig Data & Analytics startups in San Jose24 companies · $1.1B
OM
V
PBBiotech startups in San Jose23 companies · $1.6B
C
AN
GSoftware startups in San Jose21 companies · $1.1BLC
SCCloud startups in San Jose20 companies · $2.0B