When was Sphere Semi founded?

Sphere Semi was founded in 2024 and raised its 1st funding round 1 year after it was founded.

Where is Sphere Semi located?

Sphere Semi is headquartered in Palo Alto, United States.

Who is the current CEO of Sphere Semi?

Steven Glinert of Sphere Semi. They have also founded 1 company.

How many employees does Sphere Semi have?

As of Jul 31, 2026, the latest employee count at Sphere Semi is 13.

Is Sphere Semi a funded company?

Sphere Semi is a funded company, having raised a total of $***** in its 1st and only funding round, a Series B round on Sep 2025.

When was the latest funding round of Sphere Semi?

Sphere Semi's latest funding was a $***** Series B round on Sep 2025, with participation from 2 investors.

Where does Sphere Semi rank among its competitors?

Sphere Semi ranks 20th amongst 101 active competitors, of which 37 are funded. It stands 8th in terms of total funding among its competitors. The most recent competitor to raise funding was HrdWyr, which secured $13M in May, 2026.

Who are the top competitors of Sphere Semi?

Sphere Semi's top competitors include SiFive, MediaTek and Unisoc. Among them, HrdWyr secured the most recent funding round in May, 2026.

Sphere Semi - 2026 Company Profile, Team, Funding & Competitors

Sphere Semi is a series B company based in Palo Alto (United States), founded in 2024 by Mitchell Nahmias and Steven Glinert. It operates as a Provider of AI-designed custom analog semiconductor chips. Sphere Semi has raised $20M in funding from Future Ventures and ACME. The company has 101 active competitors, including 37 funded and 22 that have exited. Its top competitors include companies like SiFive, MediaTek and Unisoc.

Company Details

Provider of AI-designed custom analog semiconductor chips. It utilizes proprietary models and algorithms to generate, evaluate, and optimize designs. It delivers customized chips for RF chains and mixed-signal IP, including SerDes and ADCs/DACs. It focuses on performance, customization, speed, and economics in its design and delivery of products.

Key Metrics

Founded Year

2024

Location

Palo Alto, United States

Stage

Series B

Total Funding

$20M in 1 round

Latest Funding Round

Series B, Sep 2025, $*****

Investors

Future Ventures & 6 more

Ranked

20^th among 101 active competitors

Employee Count

13 as on Jul 31, 2026

Similar Companies

SiFive & 54 more

View Sphere Semi's full profile

Sphere Semi has raised a total funding of $20M over 1 round. Its latest funding round was a Series B round on Sep 2025 for $*****. 2 investors participated in its latest round. Sphere Semi has 7 institutional investors.

Here is the list of recent funding rounds of Sphere Semi:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 2025	4813352	Series B	8468363	4102443	5603058	8757057

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View details of Sphere Semi's funding rounds and investors

The founders of Sphere Semi are Mitchell Nahmias and Steven Glinert. Steven Glinert is the CEO of Sphere Semi.

Here are the details of Sphere Semi's key team members:

Mitchell Nahmias: Co-Founder & CTO of Sphere Semi and founder of 2 other companies, Luminous and Luminous.
Contact Info: 1 email address
Steven Glinert: Co-Founder & CEO of Sphere Semi.

View details of Sphere Semi's Founder profiles and Board Members

Sphere Semi's employee count trend

Sphere Semi has 13 employees as of Jul 26. Here is Sphere Semi's employee count trend over the years:

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Top competitors of Sphere Semi include SiFive, MediaTek and Unisoc. Here is the list of Top 10 competitors of Sphere Semi, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SiFive 2015, Santa Clara (United States), Series G	Provider of customizable RISC-V processor IP and high-performance compute core solutions for AI	$766M	Spark Capital, Sutter Hill Ventures & 26 others	71/100
2nd	MediaTek 1997, Hsinchu (Taiwan), Public	Provider of AI-based neural processing unit chipsets	-	JAFCO Asia, VentureTech Alliance	67/100
3rd	Unisoc 2001, Shanghai (China), Acquired	Provider of SoCs for mobile communication, IoT connectivity and other applications	$1.45B	Silver Lake, CDBC & 16 others	63/100
4th	SiMa.ai 2018, San Jose (United States), Series C	Developer of hardware and software platform for physical artificial intelligence	$355M	Fidelity Investments, Maverick Capital & 14 others	60/100
5th	Rivos 2021, Mountain View (United States), Acquired	Provider of RISC-V based chips for computing	$250M	Matrix Capital Management, Intel & 9 others	59/100
6th	HrdWyr 2023, Bengaluru (India), Series A	Manufacturer of intelligent edge system on chip hardware for processing	$13M	Ideaspring Capital, Avatar Growth Capital ... & 2 others	58/100
7th	iCatch Technology 2009, Hsinchu (Taiwan), Public	Manufcaturer of AI-powered imaging SoC	-	-	58/100
8th	Agile Analog 2017, Cambridge (United Kingdom), Series A	Provider of configurable analog intellectual property cores for semiconductor devices	$24M	MMC Ventures, Delin Ventures & 19 others	55/100
9th	AIStorm 2011, San Jose (United States), Series B	Developer of SoC for variety of application.	$29.2M	Egis Technology, Meyer Corporation & 5 others	55/100
10th	UltraSense Systems 2018, Santa Clara (United States), Series B	Manufacturer of System on chips for multi-industry use cases.	$24M	Robert Bosch Venture Capital, Artiman & 8 others	55/100
20th	Sphere Semi 2024, Palo Alto (United States), Series B	Provider of AI-designed custom analog semiconductor chips	$20M	Xfund, Village Global & 5 others	46/100