Investor
Calibrate Ventures
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.
Venture capital
Machine-readable surfaces
- Markdown mirror: /investors/calibrate-ventures.md
- JSON-LD: embedded in this page’s head
- REST API: /v1/investors/calibrate-ventures
- Data documentation: /data
- Query this programmatically: Deploy MCP
Portfolio (5)
- Walden RoboticsSeed2026-07-15
$300M
- GrayMatter RoboticsSeries B2024-06-01
$45M(reported)
- GrayMatter RoboticsSeries A2022-08-16
$20M
- GrayMatter RoboticsSeed2021-09-29
$4M · co lead
- FarmWiseSeries A2019-01-01
$15M(reported) · lead
Invests alongside (29)
Other investors that participated in the same funding rounds as Calibrate Ventures.
- 3M Ventures3 shared rounds
GrayMatter Robotics Series B, GrayMatter Robotics Series A, GrayMatter Robotics Seed
- B Capital3 shared rounds
GrayMatter Robotics Series B, GrayMatter Robotics Series A, GrayMatter Robotics Seed
- OCA Ventures3 shared rounds
GrayMatter Robotics Series B, GrayMatter Robotics Series A, GrayMatter Robotics Seed
- Bow Capital2 shared rounds
- Pathbreaker Ventures2 shared rounds
- Stage Venture Partners2 shared rounds
- Swift Ventures2 shared rounds
- Advance Venture Partners1 shared round
- AE Ventures1 shared round
- Alumni Ventures Group1 shared round
- Boeing1 shared round
- Colle Capital1 shared round
- CoreWeave Ventures1 shared round
- Deviation Capital1 shared round
- Euclidean Capital1 shared round
- KAS Venture Partners1 shared round
- Menlo Ventures1 shared round
- NextView Ventures1 shared round
- NGP Capital1 shared round
- Nvidia1 shared round
- One Madison Group1 shared round
- Prologis Ventures1 shared round
- Samsung Ventures1 shared round
- Shine Capital1 shared round
- SQN Venture Partners1 shared round
- Squarepoint Capital1 shared round
- Wellington Management1 shared round
- Wilbur-Ellis Company1 shared round
- Xplorer Capital1 shared round
Sources (6)
- https://www.prnewswire.com/news-releases/graymatter-robotics-raises-20m-series-a-to-fuel-continued-growth-and-expansion-301606236.html
- https://www.prnewswire.com/news-releases/graymatter-robotics-raises-4-1m-seed-round-301387301.html
- https://www.waldenrobotics.com/news/walden-robotics-launches-from-stealth
- https://crunchbase.com
- https://techcrunch.com/2019/09/17/farmwise-and-its-weed-pulling-agribot-harvest-14-5m-in-funding/
- https://www.therobotreport.com/graymatter-robotics-raises-45m-series-b-ease-programming-manufacturers/
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