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At a Glance

Check Size
$1M – $3M
Stage
Seed, Series A, Series B+
Sectors
Deeptech, Robotics, DevTools
Founded
2015
HQ
San Francisco, CA

About Root Ventures

Root Ventures is a venture capital firm based in San Francisco, CA founded in 2017. Deep tech seed investors supporting founders at the earliest stages. Best coffee in San Francisco ☕️ The firm focuses on Seed, Series A, Series B+ investments across sectors including Deeptech, Robotics, DevTools. The firm manages $180M in assets under management. Notable portfolio companies include Lattice, Assembly AI, Standard Cognition and Volley. Seed-stage fund run by practicing engineers that underwrites engineering risk in deep tech companies.

Investment Thesis

“Seed-stage fund run by practicing engineers that underwrites engineering risk in deep tech companies.”

Sector Focus

Investment Stage

Notable Portfolio Companies

LLattice
AAssembly AI
SStandard Cognition
VVolley

Fund History

  • Root has raised four seed funds, every one filed by managing partner Avidan Ross.
  • The debut vehicle was organized in December 2014 and first filed under the name Lion Wells Ventures I, L.P. with a $35 million target; renamed Root Ventures I, L.P., it closed at $31,415,927, a number matching the first eight digits of pi.
  • Root Ventures II, L.P. followed in November 2017 with a $75 million offering.
  • Root Ventures III, L.P. filed in August 2021 with a $150 million target, and Root Ventures IV, L.P. filed in January 2025 with a $250 million target, taking cumulative fund targets past $500 million.
  • Strategy has held constant across vintages.
  • The firm leads seed rounds with initial checks of $3 million to $5 million and holds roughly two-thirds of each fund in reserve for follow-ons, which is what the escalating fund sizes are buying.
  • The portfolio now runs past 70 companies, including Particle, nTopology, Instrumental, Adept, Patterns, Sublayer, IaSQL, Crux and Righthook.

Team (1)

Frequently Asked Questions

What stage does Root Ventures invest at?

Root Ventures primarily invests at the Seed, Series A, Series B+ stages. This means they focus on companies that are building their initial product and finding product-market fit.

Where is Root Ventures located?

Root Ventures is headquartered in San Francisco, CA. Many of their portfolio companies are also based in this region, though they invest across geographies.

What sectors does Root Ventures focus on?

Root Ventures focuses on investments in Deeptech, Robotics, DevTools. Their portfolio reflects deep expertise and networks within these sectors.

What is Root Ventures's typical check size?

Root Ventures's typical investment check size ranges from $1M to $3M. Actual amounts may vary based on the stage, sector, and specific opportunity.

Fund Operations Resources

Running a fund like Root Ventures? Independent guides to the software and processes emerging managers use to operate.

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