At One Ventures
Actively deployingMenlo Park · Seed–Series A · 3 people tracked
Investment thesis
At One Ventures was founded to address the climate crisis by transforming industries that cause the greatest environmental damage. The firm focuses on supporting climate technology projects that can reverse ecological destruction affecting ecosystems, economies, and natural habitats.
Source: firm website, verified Jul 20, 2026.
Team · 3 people
from the firm's websiteWhat they invest in
from 8 of 60 portfolio companiesCleantech ×3Climate Tech ×3Energy ×3Advanced Manufacturing ×2Deep Tech ×2Fintech ×2Hardware ×2SaaS ×2
HQs:United States×17
Investments · 60 tracked
founders shown can be your intro pathBlue Energy develops scalable small modular reactor (SMR) technology to deliver nuclear power at scale. The company focuses on removing economic barriers to nuclear infrastructure deployment for utilities and data centers seeking clean, reliable baseload energy.
CleantechClimate TechDeep TechEnergyHardwareWashington, US
JakeMichaelSteveTom
MightyFly develops autonomous electric cargo aircraft designed for rapid logistics and package delivery to businesses, healthcare providers, and government agencies. The company's aircraft can carry up to 500 pounds over 600 miles at 150 mph and includes logistics infrastructure for deployment.
AI & Machine LearningHardwareLogistics & Supply ChainRoboticsSan Francisco, US
Manal Habib(CEO and Founder)Damen Cheung(Head of Software and Avionics)Steve Wollenberg(Chief Commercial Officer)Brendan Szuwalski(Head of Airframe)
Produces ammonia through a net energy-positive process using engineered subsurface hydrogen generation from iron-rich rocks combined with nitrogen.
Addis Energy develops technology that combines oil and gas engineering expertise with advanced research to access energy and resources from subsurface geology.
CleantechDeep TechEnergy
E&E News is a journalism outlet providing original reporting on energy and environmental policy, regulation, and innovation for professionals. The publication covers topics including climate policy, electric utilities, renewables, federal agencies, and corporate sustainability.
Climate TechEnergyMedia & EntertainmentArlington, US
Dramatically reduces nuclear construction times and costs by centralizing manufacturing of nuclear power plants in shipyards using proven reactor technologies.
Ark provides a customizable digital platform for venture capital and private equity firms to manage investor communications, performance reporting, and document sharing with their limited partners. The portal offers branded dashboards, secure data management, and streamlined quarterly reporting.
Enterprise SoftwareFintechSaaS
Orbillion Bio develops cultivated beef using computational optimization and proprietary bioprocess controls to achieve cost-competitive production at scale without genetic modification or expensive growth factors. The company targets the ground beef market through partnerships with major food corporations.
Advanced ManufacturingClimate TechSan Francisco, US
Patricia Bubner(Founder)in
Bitly provides a unified platform for URL shortening, QR code generation, and landing page creation with advanced analytics and tracking capabilities. The service helps businesses and marketers build brand connections and manage customer engagement across digital channels.
FintechMarketing TechSaaSBrooklyn, US
Simplify manufactures fabric and soft goods using proprietary bio-based materials and additive manufacturing techniques that eliminate traditional spinning, weaving, cutting, and sewing processes. The company targets the soft goods industry with sustainable material formulations.
Advanced ManufacturingCircular EconomyCleantechNew MaterialsNew York City, US
Board seats · per SEC filings · 11
what is this? ⓘ$400M raise · filed May 2026 · via Liang-Yu Chi
$8.4M raise · filed Dec 2025 · via Laurie Charles Menoud
Raise · filed Aug 2025 · via Liang-Yu Chi, Liang-Yu Chi
$16.2M raise · filed Jul 2025 · via Liang-Yu (tom) Chi
$20.3M raise · filed Jun 2025 · via Laurie Martinez Menoud
$35M raise · filed Dec 2024 · via Liang-Yu Shih Arng Chi
$15M raise · filed Sep 2024 · via Laurie Menoud
$8.5M raise · filed Jul 2023 · via Laurie Menoud
$100M raise · filed Jan 2023 · via Laurie Menoud
$1.1M raise · filed Feb 2022 · via Laurie Menoud
$30M raise · filed Dec 2021 · via LIANG-YU Shih Arng CHI
Inferred from directors named on each company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does At One Ventures invest at?
- At One Ventures invests at the Seed, Series A stages.
- What sectors does At One Ventures focus on?
- At One Ventures focuses on Climate Tech.
- Where is At One Ventures located?
- At One Ventures is headquartered in Menlo Park, US.
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