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Bay Microsystems

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High-performance network ICs for data-intensive applications

San Jose, United StatesFounded 2000Hosting
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
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About Bay Microsystems

Bay Microsystems, established in 2000, specialized in the development and marketing of application-specific integrated circuits (ASICs) and intellectual property for high-performance networking and data communications. The company was founded by a team that included Leonid ("Lenny") Lertsman and Michael "Micky" Holender. Headquartered in San Jose, California, Bay Microsystems focused on creating semiconductor solutions designed to manage and accelerate data flow in demanding environments such as data centers, cloud computing, and high-performance computing (HPC).

The company's core technology centered on deep packet inspection, traffic management, and network processing. Its product portfolio included network processors and search-and-lookup engines that enabled original equipment manufacturers (OEMs) to build systems with advanced data handling capabilities. These products were aimed at clients in the enterprise, service provider, and government sectors, including the defense and intelligence communities. The business model revolved around the sale of these specialized semiconductor chips and licensing its intellectual property to other technology companies.

In a significant development, Vcinity, a provider of on-demand data access solutions, acquired Bay Microsystems and its technology. This acquisition integrated Bay's 18 years of experience and specialized technology into Vcinity's offerings, enhancing their ability to provide unbounded data access for real-time applications, effectively allowing data to be treated as local regardless of its physical location. Prior to its acquisition, Bay Microsystems had raised significant venture capital funding, with notable investors including Intel Capital, Lightspeed Venture Partners, and Walden International.

Source: Dealroom company data

At a glance

Founded
2000
Headquarters
San Jose, United States
Sector
Hosting

Investors

2 investors on the cap table

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

Series B and later2 investors entered at this stage

  • W Capital Partners
  • Quicksilver Ventures
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
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
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

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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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