# Calibrate Ventures: investor

Canonical ID: `9f0c362d-00f9-4d01-a373-22c045d50dd3`

Calibrate Ventures is an early-stage venture capital firm backing deep-tech and robotics startups. Led Grid Aero's M seed round and participated in its 0M Series A.

- **Type:** Venture capital

## Portfolio (5)

- [Walden Robotics](https://registry.deploy.report/companies/walden-robotics.md) Seed · 2026-07-15 · $300M
- [GrayMatter Robotics](https://registry.deploy.report/companies/graymatter-robotics.md) Series B · 2024-06-01 · $45M (reported)
- [GrayMatter Robotics](https://registry.deploy.report/companies/graymatter-robotics.md) Series A · 2022-08-16 · $20M
- [GrayMatter Robotics](https://registry.deploy.report/companies/graymatter-robotics.md) Seed · 2021-09-29 · $4M · _co lead_
- [FarmWise](https://registry.deploy.report/companies/farmwise.md) Series A · 2019-01-01 · $15M (reported) · _lead_

## Invests alongside (29)

Other investors that participated in the same funding rounds as Calibrate Ventures.

- [3M Ventures](https://registry.deploy.report/investors/3m-ventures.md) · 3 shared rounds: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Seed](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [B Capital](https://registry.deploy.report/investors/b-capital.md) · 3 shared rounds: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Seed](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [OCA Ventures](https://registry.deploy.report/investors/oca-ventures.md) · 3 shared rounds: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Seed](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Bow Capital](https://registry.deploy.report/investors/bow-capital.md) · 2 shared rounds: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Pathbreaker Ventures](https://registry.deploy.report/investors/pathbreaker-ventures.md) · 2 shared rounds: [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Seed](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Stage Venture Partners](https://registry.deploy.report/investors/stage-venture-partners.md) · 2 shared rounds: [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Seed](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Swift Ventures](https://registry.deploy.report/investors/swift-ventures.md) · 2 shared rounds: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds), [GrayMatter Robotics Series A](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Advance Venture Partners](https://registry.deploy.report/investors/advance-venture-partners.md) · 1 shared round: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [AE Ventures](https://registry.deploy.report/investors/ae-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Alumni Ventures Group](https://registry.deploy.report/investors/alumni-ventures.md) · 1 shared round: [FarmWise Series A](https://registry.deploy.report/companies/farmwise.md#funding-rounds)
- [Boeing](https://registry.deploy.report/investors/boeing.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Colle Capital](https://registry.deploy.report/investors/colle-capital.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [CoreWeave Ventures](https://registry.deploy.report/investors/coreweave-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Deviation Capital](https://registry.deploy.report/investors/deviation-capital.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Euclidean Capital](https://registry.deploy.report/investors/euclidean-capital.md) · 1 shared round: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [KAS Venture Partners](https://registry.deploy.report/investors/kas-venture-partners.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Menlo Ventures](https://registry.deploy.report/investors/menlo-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [NextView Ventures](https://registry.deploy.report/investors/nextview-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [NGP Capital](https://registry.deploy.report/investors/ngp-capital.md) · 1 shared round: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Nvidia](https://registry.deploy.report/investors/nvidia.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [One Madison Group](https://registry.deploy.report/investors/one-madison-group.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Prologis Ventures](https://registry.deploy.report/investors/prologis-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Samsung Ventures](https://registry.deploy.report/investors/samsung-ventures.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Shine Capital](https://registry.deploy.report/investors/shine-capital.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [SQN Venture Partners](https://registry.deploy.report/investors/sqn-venture-partners.md) · 1 shared round: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Squarepoint Capital](https://registry.deploy.report/investors/squarepoint-capital.md) · 1 shared round: [Walden Robotics Seed](https://registry.deploy.report/companies/walden-robotics.md#funding-rounds)
- [Wellington Management](https://registry.deploy.report/investors/wellington-management.md) · 1 shared round: [GrayMatter Robotics Series B](https://registry.deploy.report/companies/graymatter-robotics.md#funding-rounds)
- [Wilbur-Ellis Company](https://registry.deploy.report/investors/wilbur-ellis.md) · 1 shared round: [FarmWise Series A](https://registry.deploy.report/companies/farmwise.md#funding-rounds)
- [Xplorer Capital](https://registry.deploy.report/investors/xplorer-capital.md) · 1 shared round: [FarmWise Series A](https://registry.deploy.report/companies/farmwise.md#funding-rounds)

## Sources (6)

1. https://www.prnewswire.com/news-releases/graymatter-robotics-raises-20m-series-a-to-fuel-continued-growth-and-expansion-301606236.html
2. https://www.prnewswire.com/news-releases/graymatter-robotics-raises-4-1m-seed-round-301387301.html
3. https://www.waldenrobotics.com/news/walden-robotics-launches-from-stealth
4. https://crunchbase.com
5. https://techcrunch.com/2019/09/17/farmwise-and-its-weed-pulling-agribot-harvest-14-5m-in-funding/
6. https://www.therobotreport.com/graymatter-robotics-raises-45m-series-b-ease-programming-manufacturers/


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