vcvibes

Pathbreaker Ventures Ii, LLC

Emerging manager

SEC exempt reporting adviser (venture capital exemption).

HQ
CA

Pathbreaker Ventures invests in specialized founders working to solve the world's hardest problems through novel hardware and software technologies. Ryan Gembala is its Founder and Managing Partner. Its portfolio spans areas such as agentic AI for heavy industry, nuclear energy systems, video streaming APIs, and space launch cost reduction.

01 · Says / Does

TagSaysDoesHistorically (to 2020)
StagesNot statedNot enough dated dealsSeed, Series A
SectorsNot statedNot enough dated dealsHardware, AI applications, Enterprise SaaS, Robotics, Data analytics, Cybersecurity, Manufacturing, Healthtech, Media
RegionsUSNot enough dated dealsCA, MA

Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.

Historical focus (through 2020), derived from historical deal data.

YearDealsTop sectors
20151AI applications, Devtools
20165Media, Agtech, Climate software
20174Hardware, Manufacturing, AI applications
20189Enterprise SaaS, Hardware, AI applications
20193Robotics, AI applications, Healthtech
20203AI applications, Enterprise SaaS, Hardware

Stage mix over time

2015 Seed: 1152016 Pre-seed: 12016 Seed: 3162017 Seed: 12017 Series A: 2172018 Pre-seed: 12018 Seed: 62018 Series A: 1182019 Seed: 22019 Series B: 1192020 Seed: 12020 Series A: 120212223242526
  • Pre-seed
  • Seed
  • Series A
  • Series B
  • Growth
Share of rounds by stage, per year. Striped years have fewer than 3 rounds.Historical focus (through 2020), derived from historical deal data.
Rounds by stage and year
YearPre-seedSeedSeries ASeries BGrowth
201501000
201613000
201701200
201816100
201902010
202001100
202100000
202200000
202300000
202400000
202500000
202600000

02 · Fund history

FundYearSizeStatus
Pathbreaker Ventures Fund III, L.P.

Pathbreaker Ventures backs specialized founders determined to solve the world's hardest problems through novel hardware and software technologies. Its portfolio spans AI applications, nuclear energy, robotics, healthtech, and aerospace defense. Inferred from the firm's website and portfolio companies

2024$18.43M (Form D)Open, writing first checks
Pathbreaker Ventures Fund II, L.P.2019$26.48M to $28.35M (Form D and SEC adviser filing)Follow-ons only

03 · People across funds

04 · Recent deals

No dated deals found yet.

05 · Latest from the firm

No news from the firm's website yet.

06 · Sources

  1. http://www.pathbreakervc.com/
  2. https://www.pathbreakervc.com/companies
  3. https://www.pathbreakervc.com/team
  4. https://www.pathbreakervc.com/

Fund dates and sizes are from SEC Form D filings.

Last verified: Oct 28, 2026