Quartr Raises €15.6 Mn to Expand AI-Powered Financial Data Platform

The funding round was led by existing investor Altos Ventures, with new investor SEB also taking part. Following the investment, Altos Ventures has become Quartr’s largest shareholder.

Quartr previously raised €5.4 million from Altos Ventures in 2024. In 2022, the company added another €2.5 million, bringing its total Seed funding to around €7 million.

Quartr will use the new funding to develop its products and expand its coverage of public company data worldwide. The company says it is growing at triple-digit rates, with net revenue retention of around 120%. Its customers include major hedge funds, asset managers, and technology companies.

“What we want to enable is allow others to build on top of that [knowledge graph] to really know that you can get an exhaustive answer to a really complex query,” Oscar Küntzel, co-founder and CEO of Quartr, told Dillon Krasnigor of Altos Ventures in a video.

Quartr was founded in 2020 by Küntzel, David Dag, Oliver Hamrin, and Sami Osman. The company describes itself as an AI infrastructure platform for company research.

Quartr provides structured and real-time investor relations (IR) data collected directly from public companies. This helps investors and businesses access reliable information for research and analysis.

Its first main product, Quartr Pro, is an AI-powered research platform used by hedge funds, asset managers, equity researchers, and investor relations teams. Users can search earnings calls, company filings, and presentation slides, while AI answers are linked back to the original sources.

The company also offers Quartr API, which provides structured company data to other platforms and AI systems. It covers audio, live transcripts, filings, and presentation slides from more than 15,000 companies across over 65 markets.

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