Polars

Polars is a lightning fast DataFrame library/in-memory query engine. Its embarrassingly parallel execution, cache efficient algorithms and expressive API makes it perfect for efficient data wrangling, data pipelines, snappy APIs and so much more.

Data and analyticsDeveloper tools and cloud

Polars raised $21M in a Series A round announced September 29, 2025, according to techcrunch.com. Investors in that round: Accel.

Raise history

1. September 29, 2026
   First seen by Recent Funding
   via startups.gallery
2. September 29, 2025
   Series A · $21M
   AAccel (lead)
   Source: techcrunch.com (startups.gallery listing)

Investors

• AAccel
• BBain Capital Ventures

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Every amount links to the page it came from. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/polars.