At One Ventures

At One Ventures is a venture capital firm focused on investing in early-stage deep tech companies that aim to make humanity a net positive to nature.

Venture Capital Active San Francisco, United States Est. 2020
Last updated 2026-07-20
Portfolio
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Rounds participated
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Rounds led
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Rounds' value
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Stages

About

At One Ventures is a venture capital firm based in San Francisco, California, that invests in early-stage deep technology and climate technology startups. The firm's mission is to back companies that use disruptive deep tech to reshape established industries, dramatically reducing their environmental footprint, or pioneering industries that are actively regenerative. They focus on sectors such as energy, transportation, and agriculture, with a goal to catalyze a world where humanity is a net positive to nature. At One Ventures typically invests in Seed and Series A funding rounds, with initial checks ranging from $1 million to $5 million. The firm manages over $500 million in total assets under management and has an active portfolio of more than 35 companies.

Portfolio

No portfolio companies in this dataset yet.

Investment activity

Portfolio by sector

Industrial Technologies1
Aerospace, Defense & HLS1

Q&A

What is At One Ventures' primary investment focus?
At One Ventures focuses on early-stage investments, with both of its recorded investments being at the Seed stage.
Which sectors has At One Ventures invested in?
At One Ventures has invested in the Industrial Technologies sector and the Aerospace, Defense & HLS sector.
Can you name some of At One Ventures' portfolio companies?
At One Ventures' portfolio includes Gigablue, which focuses on ocean-based carbon dioxide removal, and Helios, which develops sustainable metal production.
What was At One Ventures' most recent investment?
At One Ventures' most recent investment was in Helios in October 2022, participating in an $18M Seed round.
What was At One Ventures' first recorded investment?
At One Ventures' first recorded investment was in Gigablue in May 2022, participating in a $2.5M Seed round.
What is the typical check size for At One Ventures?
Based on available data, At One Ventures' investment range is between $2.5M and $2.5M, though this may reflect a limited dataset.
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Identifiers & details

Founded2020