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Primemas

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Pre-built SoC Hub Chiplets for accelerated semiconductor development.

New York City, United StatesFounded 2023Semiconductors
Valuation $250–500M Last recorded · 2026
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Primemas and the history behind them.

About Primemas

Primemas is a fabless semiconductor company that provides pre-built System-on-a-Chip (SoC) hub chiplets, known as 'Hublets', to accelerate the development of custom chips. Founded in 2023 by CEO Il (Will) Park, the company is headquartered in Santa Clara, California, with a significant R&D center in Seoul, South Korea. Park has over 25 years of leadership experience in the semiconductor industry, having worked at major companies like SK Hynix, Samsung, and IBM, where he specialized in designing high-performance server CPUs, mobile SoCs, and DRAM solutions. The company was established to address the primary barriers to semiconductor innovation—long design cycles and high costs—by democratizing the process.

Primemas's core business revolves around its Hublet platform, which acts as a ready-made SoC foundation. This allows clients to integrate their own custom accelerators and intellectual property (IP) into a full SoC more quickly and at a lower cost, reducing time-to-market from 2-3 years to under one year. The company's main products, the Falcon-1 and Kameleon chiplets, provide a modular and reusable infrastructure that includes a low-power CPU cluster, memory controllers, I/O, security features, and a complete Software Development Kit (SDK). The Falcon-1 is described as the world's first chiplet-based Platform SoC, serving as a foundation for CXL memory and AI solutions, while the Kameleon is an FPGA-based companion chiplet for rapid prototyping.

The company's business model includes chip sales, developing customized system solutions in cooperation with server and memory manufacturers, and empowering a platform ecosystem around CXL open standards. Primemas targets high-growth domains such as AI data infrastructure, AI acceleration, and reconfigurable hardware solutions. Its technology enables the creation of scalable memory solutions, from direct-attached memory to large-scale memory appliances. In September 2023, Primemas raised KRW 9.3 billion in a pre-series A funding round from investors including Time Folio Asset Management, Shinhan Bank, and AJU IB Investment. More recently, the company announced the availability of customer samples for the world's first CXL 3.0 memory controller, developed in collaboration with Micron to advance memory solutions for data centers and AI.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2023
Headquarters
New York City, United States
Employees
40
Open positions
None listed
Dealroom signal
89.3/100
Industry
Semiconductors
Sector
Semiconductors, Core AI, Semiconductor Designers and Manufacturers, Chips and Processors, SoC (System-on-Chip), Memory and Storage, DT and LS, science-based
Technology
Artificial Intelligence, Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2b

Funding history

3 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Feb 2026 $72M $288M Undisclosed ↗
EARLY VCOther financing Jan 2026 $0 — MDS Tech ↗
Showing the latest 2 of 3 recorded eventsBook a demo for the full funding history →

Growth signals

Primemas website traffic

Latest recorded traffic for Primemas is 5.3K monthly website visits, up 6525% over the last three months. Primemas's team grew 17.6% over the past year.

Latest monthly visits5.3K 3-month web change+6525% 1-year team growth+17.6%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

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

Investors

1 investor on the cap table

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

Series A1 investor entered at this stage

  • MDS Tech
Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 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
2 countries with
team presence
🇰🇷 South Korea88.9%
🇺🇸 United States11.1%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Primemas 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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