Fishtown Analytics, which develops an open source data analytics tool, rebrands as dbt Labs and raises $150M Series C at a $1.5B valuation
Context & Ripple Effects
This is the third step in a fast capital ladder for the Philadelphia company behind the dbt open-source tool: after a $12.9M Series A led by a16z in April 2020 and a $29.5M Series B led by Sequoia that November, it now takes $150M at a $1.5B valuation and renames itself after its product — dbt Labs. The brand collapse onto the open-source project signals where the company sees its value concentrated.
The round lands amid a broader funding wave for open-source analytics tooling — Metabase raised a $30M Series B weeks later — and the trajectory kept steepening: by December, reports had dbt Labs in talks at a valuation of $6B, and it ultimately closed a $222M Series D at $4.2B led by Altimeter with both Sequoia and a16z returning.
First-order effects
- Fishtown Analytics' existing backers Sequoia and a16z see their stakes marked up roughly 4x from the November 2020 Series B price in under eight months, and the company gains $150M to scale around the dbt project.
- The rebrand makes dbt Labs the single public identity for the product and company, aligning hiring, marketing, and community trust-building behind the name practitioners already know.
Second-order effects
- Rivals and adjacent vendors in the analytics stack — including open-source BI makers like Metabase — face an increasingly well-capitalized dbt ecosystem setting de facto standards for how data transformation workflows are built.
- Cloud data warehouses and downstream BI tools gain pressure to certify or integrate with dbt, since adoption of the tool concentrates pipeline work in one layer they cannot ignore.
Third-order effects
- If the pattern holds, commercial open-source infrastructure companies follow the same arc as dbt Labs: rapid multi-round repricing within a year or two, with top-tier funds (Sequoia, a16z, Altimeter) rolling over across rounds and valuations decoupling from near-term revenue.
- The open-source layer of the modern data stack consolidates around a few venture-funded steward companies whose governance of widely-adopted projects becomes strategically significant to every vendor above and below them.
The trend: Commercial open-source data tooling is repricing at venture speed, with dbt Labs' ladder from $29.5M to a $1.5B round inside a year marking the sector's steepest climb.