# Open-Silicon

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/open-silicon

- Industry: Semiconductors
- Headquarters: Milpitas, US
- Website: www.openfive.com
- Total disclosed funding: $53M
- Latest round: Series D (Feb 22, 2007)
- Investors on record: 5

## About

Based in California, US, and founded in 2003 by Naveed Sherwani, Satya Gupta, and Scott Houghton, Open-Silicon, Inc., d.b.a. OpenFive operates as a fabless ASIC (application-specific integrated circuit) company that provides end-to-end expertise in IP integration, architecture, software, design implementation, manufacturing, and silicon validation to deliver domain-specific processor agnostic SoCs (system on a chip) customized for multiple applications. In March 2022, Alphawave IP Inc., a portfolio company of BlackRock and Janus Henderson Investors, agreed to acquire Open-Silicon, Inc. from SiFive, Inc. for USD 210 million in cash. The transaction is expected to close in H2 2022.

Open-Silicon provides custom silicon solutions with differentiated IP, including soc micro-architecture, RTL design and synthesis, SoC IP integration, design verification, FPGA prototyping, connectivity IP, memory interface IP, and more. The company also offers custom SoC, front-end design, IP development and integration, physical design, wafer manufacturing, 2.5D packaging, manufacturing operations, request for a quote, AI vision platform, IP portfolio, Interlaken IP subsystem, ethernet IP subsystem, and other IPs.

## Funding rounds

- Series D, Feb 22, 2007, $10M — InterWest Partners, Hong Shan, Norwest Venture Partners, Bridgescale, ARTIS Ventures
- Series C, Sep 27, 2005, $15M — InterWest Partners, Hong Shan, Norwest Venture Partners
- Series B, Mar 29, 2004, $20M — InterWest Partners, Hong Shan, Norwest Venture Partners
- Series A, Jun 1, 2003, $8.5M — Hong Shan, Norwest Venture Partners

## Investors

- Hong Shan — Series A, Series B, Series C, Series D
- Norwest Venture Partners (https://capitalatlas.ai/funds/norwest-venture-partners) — Series A, Series B, Series C, Series D
- InterWest Partners (https://capitalatlas.ai/funds/interwest-partners) — Series B, Series C, Series D
- Bridgescale (https://capitalatlas.ai/funds/bridgescale) — Series D
- ARTIS Ventures (https://capitalatlas.ai/funds/artis-ventures) — Series D