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Altair Semiconductor

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Develops high-performance single-mode LTE chipsets

Hod Hasharon, IsraelFounded 2005Semiconductors
Valuation $100–250M Last recorded · 2017
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
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About Altair Semiconductor

Altair Semiconductor, now operating as Sony Semiconductor Israel, was established in 2005 by a team of seasoned engineers, Oded Melamed, Yigal Bitran, and Eran Eshed, who brought with them extensive experience from the wireless and semiconductor industries. The company was founded with the vision of developing single-mode 4G LTE chipsets, a strategic focus that set it apart from competitors who were building more complex and expensive multi-mode solutions. This approach allowed Altair to produce more power-efficient and cost-effective chipsets tailored for the emerging Internet of Things (IoT) market. The company's headquarters are located in Hod HaSharon, Israel.

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The business model centers on the design and sale of these specialized semiconductor chips to a broad range of device manufacturers. Altair's chipsets are the core component that enables cellular connectivity in a vast array of products. Its client base includes companies in sectors such as automotive for vehicle telematics, utilities for smart meters, and consumer electronics for devices like wearables and home appliances. By focusing on low-power, small-footprint solutions, Altair effectively addresses the critical needs of the Cellular IoT market, where battery life and physical size are paramount constraints. Revenue is generated directly from the sale of millions of these chipsets to a global customer base.

A significant milestone in the company's history occurred in February 2016 when it was acquired by Sony Corporation for a reported $212 million. This acquisition integrated Altair into Sony's Semiconductor Solutions division, creating a synergy between Altair's cellular IoT technology and Sony's established leadership in imaging and sensing technologies. Post-acquisition, the company, rebranded as Sony Semiconductor Israel, has continued to develop its chipset offerings, preparing for the transition to 5G IoT and expanding its reach under the Sony umbrella. The acquisition provided Altair with the resources and market access of a global technology giant, while Sony gained crucial expertise in the rapidly growing cellular IoT space.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2005
Headquarters
Hod Hasharon, Israel
Employees
91
Open positions
None listed
Dealroom signal
62.9/100
Industry
Semiconductors
Sector
Semiconductors, Testing, Verification, Fabless, 4G, Chips, Fabless Manufacturing, Semiconductor Designers and Manufacturers, Low-Power, Hard Tech, DT and LS, science-based
Technology
IoT InternetOfThings
Business model
Manufacturing

Funding history

9 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
GROWTH EQUITY VCOther financing Apr 2026 $50M — Pitango Venture Capital ↗
ACQUISITIONOther financing Jan 2016 $200M $200M Sony —
Showing the latest 2 of 9 recorded eventsBook a demo for the full funding history →

Growth signals

Altair Semiconductor website traffic

Latest recorded traffic for Altair Semiconductor is 1.4K monthly website visits, up 47.4% over the last three months. Altair Semiconductor's team declined 27.2% over the past year.

Latest monthly visits1.4K 3-month web change+47.4% 1-year team growth-27.2%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

10 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A4 investors entered at this stage

Series B and later4 investors entered at this stage

Other known investors2 additional known investors

  • SanDisk Ventures
  • Sony
Team profiled 24 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
7 countries with
team presence
🇮🇱 Israel75%
🇫🇮 Finland9.7%
🇹🇼 Taiwan5.6%
🇺🇸 United States4.2%
🇨🇳 China2.8%
Top 5 of 7 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Altair Semiconductor on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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