# Weights & Biases funding: rounds and investors > Weights & Biases has raised $20M across 3 rounds since 2018. Investors include Coatue, Gaingels and Insight Partners. Every round with its source. Source: https://millionrounds.com/company/weights-and-biases (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Weights & Biases* 3 rounds we have observed, with the 10 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Valuation: $1.0B, Oct 2024 Funding summary Updated 26 Oct 2026 **$20M** raised across 3 rounds since 2018, from 3 sources **$5.0M** Series A **$15M** Round - **Latest round:** Venture Sept 2023 - **Biggest round:** $15M Round · May 2019 - **Investors:** 10 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2019 2020 2021 2022 2023 **$5.0M** Series A **$15M** Round **?** Venture - **First round:** Series A, $5.0M - **Biggest round:** $15M - **Usual gap between rounds:** 4.3 years ## The rounds - **Sept 2023** Venture **Amount undisclosed** *5 new* [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) [NVIDIA](https://millionrounds.com/fund/nvidia) [Bond](https://millionrounds.com/fund/bond) Source recorded SEC filing: $50M sold, first sale Jun 2023 - **May 2019** Round **$15M** *3 new* [Coatue](https://millionrounds.com/fund/coatue-management) Lead [Nat Friedman](https://millionrounds.com/fund/nat-friedman) [Richard Socher](https://millionrounds.com/fund/richard-socher) Reported by TechCrunch - **Jun 2018** Series A **$5.0M** *2 new* [Trinity Ventures](https://millionrounds.com/fund/trinity-ventures) [Bloomberg Beta](https://millionrounds.com/fund/bloomberg-beta) Reported by FinSMEs ## Founders and team From the SEC filings it signed: 6 on the team. - **Cameron Kinloch** Executive Officer i - **Chris Van Pelt** Executive Officer, Director i - **Lukas Biewald** Executive Officer, Director i - **Mariah Nagy** Executive Officer i - **Shawn Lewis** Executive Officer, Director i - **Yan-David Erlich** Executive Officer i On the board, as filed i *Dan Scholnick* *George Mathew* *Thomas Laffont* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2018 **Round** 2019 **Venture** 2023 [Coatue](https://millionrounds.com/fund/coatue-management) L [Gaingels](https://millionrounds.com/fund/gaingels) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) [Trinity Ventures](https://millionrounds.com/fund/trinity-ventures) [NVIDIA](https://millionrounds.com/fund/nvidia) [Bloomberg Beta](https://millionrounds.com/fund/bloomberg-beta) [Bond](https://millionrounds.com/fund/bond) [Nat Friedman](https://millionrounds.com/fund/nat-friedman) [Richard Socher](https://millionrounds.com/fund/richard-socher) ## Everyone who backed them [Coatue](https://millionrounds.com/fund/coatue-management) VC firm **1** round, led 1 [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round [Sapphire Ventures](https://millionrounds.com/fund/sapphire-ventures) VC firm **1** round [Trinity Ventures](https://millionrounds.com/fund/trinity-ventures) VC firm **1** round [NVIDIA](https://millionrounds.com/fund/nvidia) Company **1** round [Bloomberg Beta](https://millionrounds.com/fund/bloomberg-beta) VC firm **1** round [Bond](https://millionrounds.com/fund/bond) Growth equity **1** round [Nat Friedman](https://millionrounds.com/fund/nat-friedman) VC firm **1** round [Richard Socher](https://millionrounds.com/fund/richard-socher) Angel **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=weights-and-biases). ## Also claim to have backed them These 7 firms list Weights & Biases as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [AIX Ventures](https://millionrounds.com/fund/aix-ventures) VC firm Per its own site [Archerman Capital](https://millionrounds.com/fund/archerman-capital) Growth equity Per its own site [Brighter Capital](https://millionrounds.com/fund/brighter-capital) Family office Per its own site [Conduit](https://millionrounds.com/fund/conduit) Accelerator Per its own site [Octave Fund](https://millionrounds.com/fund/octave-3) VC firm Per its own site [PWV](https://millionrounds.com/fund/pwv) VC firm Per its own site [Preston-Werner Ventures](https://millionrounds.com/fund/preston-werner-ven) Angel network Per its own site ## Quick answers about Weights & Biases ### Who invested in Weights & Biases? Weights & Biases's investors include Coatue, Gaingels, Insight Partners, Sapphire Ventures and Trinity Ventures, and 5 more on record. ### How much has Weights & Biases raised? Weights & Biases has raised $20M across 3 rounds since 2018. One round did not disclose an amount, so the total is a floor. ### When did Weights & Biases last raise? Weights & Biases's most recent round was a Venture in Sept 2023. ### What was Weights & Biases's biggest round? Weights & Biases's largest round on record is $15M (Undisclosed round), in May 2019, led by Coatue. ### Who backed Weights & Biases first? Weights & Biases's first round on record, in Jun 2018, was backed by Trinity Ventures and Bloomberg Beta. ### What stage is Weights & Biases at? Weights & Biases's latest named round is a Venture, in Sept 2023. ### Where is Weights & Biases based? Weights & Biases is based in the United States. ### Who led Weights & Biases's rounds? Coatue led the Undisclosed round in 2019. ## Companies like Weights & Biases In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app