Manta Ray
mantaray.vc Direct investor
Manta Ray is a venture capital firm that invests early in mission-driven founders, focusing on sectors like human health, new industrials, security, climate, and education. It has Polish roots and global ambitions, supporting entrepreneurship in Poland and CEE.
Manta Ray is a venture capital firm headquartered in Warsaw, Poland. It invests directly in companies, from seed to growth, in human health, new Industrials, security & Trust and climate & Resources. 64 portfolio companies, as it reports.
“We partner with mission-driven founders building generational companies that tackle the world’s biggest challenges.”
— Manta Ray, own website
- Layer
- Direct investor
- Type
- Venture capital
- Invests in
- Poland, CEE, Europe, US
- Sectors
- Human health, New Industrials, Security & Trust, Climate & Resources, Education, B2B SaaS, Marketplace, Other
- Portfolio
- 64 companies
Team, as Manta Ray publishes it
- Sebastian Kulczyk Founder
- Lawrence Barclay Managing Partner
- Leah von Siemens Partner
- Julia Schrameier Principal
- Christopher Sisserian Head of Platform
- Hamish Garnett Associate
- Maria Bagniewska Advisor
- Leonard Picardo Advisor
Names and roles exactly as listed on mantaray.vc. Nothing else about these people is recorded.
Most shared portfolio companies with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 121 investors with a shared portfolio company. A shared company is not proof they invested together in the same round.
- Backed VC 3 shared companies: this.co, eatcala.com, phytoformlabs.com
- Novastar Ventures 2 shared companies: elephant.healthcare, newglobe.education
- Seedcamp 2 shared companies: elephant.healthcare, this.co
- Lever VC 2 shared companies: this.co, bluu.bio
- Mudcake 2 shared companies: this.co, bluu.bio
- General Catalyst 2 shared companies: brainly.com, beacon.com
- Lightspeed Venture Partners 2 shared companies: clark.de, epicgames.com
- Salica Investments 2 shared companies: clark.de, kadence.co
- Refactor Capital Management, LLC 2 shared companies: phytoformlabs.com, astranis.com
- Kindred Capital 2 shared companies: infinitopes.com, beit.tech
and 111 more — the graph.
Where this comes from
Every fact above was read from a page Manta Ray publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.
- https://mantaray.vc/name, is_investor, layer, type, hq_country, hq_city, invests_in_geographies, thesis_quote, thesis_quote_page, description, status
- https://mantaray.vc/portfolio/stage_min, stage_max, sectors, portfolio_count
- https://mantaray.vc/team/people
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Record 6896 · added 2026-09-03 · link last verified 2026-10-21 · confidence high
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