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Pacific Bays Capital (PacCap) is a Tokyo-based venture capital firm founded in 2020, specializing in deep technology investments. The firm is dedicated to nurturing the next generation of deep-tech unicorns by bridging Japan's world-class fundamental research ecosystem with international commercialization. PacCap operates primarily in Japan and other regions in Asia, with a team presence in the United States, South Korea, and Singapore.
The firm is backed by notable investors, including Jaan Tallinn, co-founder of Skype, through MetaPlanet Holdings. This backing signals a strong commitment to deep tech and existential risk investments. Currently, Pacific Bays Capital has a team of approximately 12 professionals, including six partners, one venture partner, and one principal, allowing for a well-resourced approach to investment.
As of now, the firm manages a portfolio that includes companies in sectors such as AI, space, defense, robotics, and energy. Their investment strategy emphasizes early to growth-stage companies, aiming to support businesses that have the potential to become global leaders.
Pacific Bays Capital invests across various sectors, with a strong emphasis on technology and innovation. The firm targets early to growth-stage companies, focusing on pre-seed, seed, seed-plus, Series A, Series B, and growth equity stages. Their investment strategy is particularly concentrated on deep tech, leveraging Japan's strengths in fundamental research to build globally competitive unicorns.
The sectors of interest include artificial intelligence, space technology, defense, robotics, biotechnology, and green energy. The firm seeks to support businesses that demonstrate the potential for significant impact and scalability. Their investment thesis highlights a Japan-first lens, aiming to utilize Tokyo's IPO pathways for portfolio exits, which distinguishes their approach in the venture capital landscape.
Pacific Bays Capital's portfolio includes three notable companies:
These investments reflect Pacific Bays Capital's commitment to supporting innovative companies that are positioned to become leaders in their respective fields.
Maxwell Imai Weiss — Partner. Maxwell has extensive experience in venture capital and has been instrumental in identifying and supporting deep tech startups.
Dr. Jason Nye — Partner. Dr. Nye brings a strong background in technology and innovation, focusing on sectors such as AI and robotics.
Jaan Tallinn — Listed team member and Limited Partner via MetaPlanet Holdings. Jaan is a co-founder of Skype and has a significant track record in backing transformative deep tech companies.
The total team at Pacific Bays Capital consists of approximately 12 professionals, including six partners, one venture partner, and one principal, providing a diverse range of expertise and resources to support portfolio companies.
To pitch to Pacific Bays Capital, founders should visit their website at pacificbayscapital.com. The pitch deck should include a detailed overview of the business model, market analysis, competitive landscape, and team qualifications. Founders are encouraged to provide clear financial projections and growth strategies.
Response times may vary, but founders should expect a thorough review process. Warm introductions are preferred, as they can facilitate a more favorable evaluation of the pitch.
In 2023, Pacific Bays Capital made an investment in GITAI, a company specializing in autonomous in-space manipulation robots. This investment aligns with the firm's focus on space technology.
In 2024, the firm invested in New Frontier Aerospace, which is developing hypersonic engine technology, marking its entry into the aerospace sector.
As of November 2025, Pacific Bays Capital is participating in the Series B funding round for EdgeCortix, which has raised approximately JPY 15 billion (around $370 million) in cumulative funding, indicating the firm's commitment to supporting advanced AI semiconductor technologies.
What are Pacific Bays Capital's investment criteria?
The firm focuses on early to growth-stage companies in sectors such as AI, space technology, defense, robotics, biotechnology, and energy. They look for businesses with the potential to become global leaders and leverage Japan's research strengths.
How can I apply or pitch to Pacific Bays Capital?
Interested parties can submit their pitches through the firm's website at pacificbayscapital.com. It is advisable to include a comprehensive overview of the business model, market potential, and team background in the pitch.
What makes Pacific Bays Capital different from other venture capital firms?
Pacific Bays Capital uniquely combines deep connections within Japan's research ecosystem with an international network, enabling portfolio companies to scale effectively. Their focus on deep tech with a Japan-first lens is a distinctive aspect of their investment strategy.
What is the geographic scope of Pacific Bays Capital's investments?
The firm primarily invests in Japan and other regions in Asia, targeting companies that can leverage Japan's technological advancements.
What is the typical check size for investments?
While specific check sizes are not disclosed, Pacific Bays Capital invests across various stages, from pre-seed to growth equity, indicating a flexible approach to funding based on the company's needs and growth potential.
What kind of post-investment involvement does Pacific Bays Capital have?
The firm provides strategic support to its portfolio companies, leveraging its connections in Japan's research ecosystem and its international network to help them scale and achieve global competitiveness.
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