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Manta Ray Ventures is an early-stage venture capital fund founded in 2018 and based in London, United Kingdom. The firm focuses on supporting mission-driven founders who address significant global challenges through advanced technologies. Manta Ray Ventures emphasizes providing flexible and patient capital, which allows its portfolio companies to grow sustainably and effectively.
As of early 2026, Manta Ray Ventures has expanded its team to approximately 14 employees across three continents, including Europe, North America, and Africa. The firm has made 85 investments, showcasing its commitment to backing innovative startups. Notable milestones include establishing a strong presence in the UK and Eastern Europe, as well as forming partnerships that enhance their support for mission-driven startups.
Manta Ray Ventures invests in early-stage companies that are focused on addressing global challenges across various sectors, including climate, biotech, edtech, fintech, agtech, digital health, food agtech, and proptech. The firm typically invests at the pre-seed, seed, and seed-plus stages, providing check sizes ranging from $500,000 to $2 million, with the potential for follow-on investments up to $12 million.
The fund seeks to back mission-driven founders who leverage advanced technologies to create impactful solutions. Manta Ray Ventures emphasizes patient and flexible capital, which allows founders to navigate the complexities of building their businesses. The firm also provides operational support and access to a vast network of resources, enhancing the growth potential of its portfolio companies.
Manta Ray Ventures has a diverse portfolio of 85 companies, showcasing its commitment to various sectors. Notable portfolio companies include:
This portfolio reflects Manta Ray Ventures' focus on mission-driven companies that tackle significant global challenges through innovative technologies.
Sebastian Kulczyk - Founder. A third-generation Polish entrepreneur and investor, he is the CEO of Kulczyk Investments, which operates in over 30 countries. He is committed to supporting Eastern European entrepreneurs and ventures with social responsibility components.
Lawrence Barclay - Managing Partner. He brings extensive experience in venture capital and has a strong background in supporting early-stage companies.
Leah von Siemens - Partner. She has a proven track record in identifying and nurturing high-potential startups across various sectors.
Julia Schrameier - Principal. Julia focuses on operational support and strategic guidance for portfolio companies.
Christopher Sisserian - Head of Platform. He oversees the operational aspects of the firm and works closely with portfolio companies to enhance their growth.
Yaryna Nych - Analyst. Yaryna supports the investment team in evaluating potential opportunities and conducting market research.
Hamish Garnett - Analyst. Hamish assists in portfolio management and analysis, contributing to the firm's investment strategy.
To pitch Manta Ray Ventures, founders should use the preferred channel available on their website at mantaray.vc/contact. The pitch deck should include a clear overview of the business, the problem it addresses, and the innovative solution offered. Founders should also outline their market strategy and potential for growth.
Response times may vary, but founders can expect to hear back within a few weeks. Manta Ray Ventures appreciates warm introductions, but cold pitches are also welcome if they are well-prepared and align with the firm's investment focus.
As of early 2026, Manta Ray Ventures has made significant strides in expanding its portfolio, reaching a total of 85 investments. The firm continues to focus on mission-driven startups across various sectors, including climate, biotech, and fintech.
In recent months, Manta Ray Ventures has been actively seeking partnerships that can enhance their support for early-stage companies. This includes collaborations with other venture capital firms and startup platforms to amplify their impact in the investment landscape.
What are Manta Ray Ventures' investment criteria?
Manta Ray Ventures focuses on early-stage investments in mission-driven companies addressing global challenges. They look for founders who leverage advanced technologies in sectors such as climate, biotech, edtech, fintech, and more.
How can I apply or pitch to Manta Ray Ventures?
Founders can pitch to Manta Ray Ventures through their website at mantaray.vc/contact or via email at contact@mantaray.vc. They encourage detailed pitches that highlight the mission and impact of the startup.
What makes Manta Ray Ventures different from other VC firms?
Manta Ray Ventures emphasizes patient and flexible capital, allowing founders to focus on long-term growth. They also provide operational support and access to a vast network of resources, which enhances the potential for success.
What is the geographic scope of Manta Ray Ventures?
The firm primarily invests in the United Kingdom and Europe, with a growing presence in Eastern Europe, California, and Africa.
What is the typical check size for investments?
Manta Ray Ventures typically invests between $500,000 and $2 million in early-stage companies, with the potential for follow-on investments up to $12 million.
What kind of post-investment involvement can founders expect?
Manta Ray Ventures provides operational support and strategic guidance to its portfolio companies, helping founders navigate challenges and scale their businesses effectively.
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