Overview
Portfolio
More
Helium 3Ventures
New York, United States
Focuses on seed, early-stage, and late-stage growth companies across various sectors.
Portfolio
31+
Employees
3+
Founded
2021
AUM
N/A
Investment focus
Stages
No stages listed
Industries
No industries listedGeographic scope
United States
Sources
Helium 3Ventures
Focuses on seed, early-stage, and late-stage growth companies across various sectors.
Portfolio
31+
Employees
3+
Founded
2021
AUM
N/A
Stages
No stages listed
Industries
No industries listedGeographic scope
United States
Sources
Showing 24 of 26 matched portfolio companies
Alga Biosciences develops an algae-based feed supplement designed to mitigate methane emissions from livestock. This additive significantly reduces enteric methane output in cattle while simultaneously decreasing the required feed volume for growth. The result is lower greenhouse gas emissions and improved economic efficiency for cattle producers.
Funding: $4.0M
Rough estimate of the amount of funding raised
Funding: $4.0M
Rough estimate of the amount of funding raised
Astranis designs and manufactures small, radiation-hardened telecommunications satellites for geostationary orbit, utilizing advanced digital processing technology to enhance internet access in remote regions. By reducing the number of satellites needed for constant service, Astranis lowers operational costs and simplifies user terminal requirements, making connectivity more affordable for underserved areas.
Funding: $753.5M
Rough estimate of the amount of funding raised
Funding: $753.5M
Rough estimate of the amount of funding raised
Blackcart provides try-before-you-buy software that allows e-commerce merchants to offer customers the option to test products at home before making a purchase. This approach reduces customer acquisition costs by 22% and increases new customer acquisition by 26%, addressing the uncertainty often associated with online shopping.
Funding: $15.6M
Rough estimate of the amount of funding raised
Funding: $15.6M
Rough estimate of the amount of funding raised
Boom Supersonic manufactures the Overture, a commercial supersonic airliner designed to significantly reduce flight times while maintaining safety and sustainability through its Symphony turbofan engine. The company addresses the need for faster air travel by developing a supersonic travel solution that meets modern environmental standards and has garnered orders from major airlines.
Funding: $100.0M
Rough estimate of the amount of funding raised
Funding: $100.0M
Rough estimate of the amount of funding raised
Cart.com provides a unified commerce platform that integrates order, inventory, and warehouse management systems to streamline fulfillment across multiple sales channels. The platform addresses inefficiencies in order processing and inventory management for B2B and B2C companies, enabling them to enhance operational performance and customer satisfaction.
Funding: $756.0M
Rough estimate of the amount of funding raised
Funding: $756.0M
Rough estimate of the amount of funding raised
Contraline is developing ADAM™, a long-lasting, non-hormonal implant for male contraception that functions similarly to an IUD. This device addresses the need for a reliable and reversible contraceptive option for men, eliminating the anxiety and inconvenience associated with current methods.
Funding: $35.9M
Rough estimate of the amount of funding raised
Funding: $35.9M
Rough estimate of the amount of funding raised
DigiBuild offers a construction management software that automates material procurement and tracking using blockchain technology, significantly enhancing visibility and efficiency in the supply chain. By reducing material management time by up to 50% and minimizing scheduling delays, the platform addresses the critical issues of cost overruns and project delays in the construction industry.
Funding: $4.5M
Rough estimate of the amount of funding raised
Funding: $4.5M
Rough estimate of the amount of funding raised
Exa provides a custom-built search engine and in-house vector database accessible via a unified API for AI applications. This platform delivers high-accuracy, low-latency web data retrieval tailored for specific use cases like coding, finance, and recruiting. Enterprises benefit from customizable search filters, robust security compliance, and zero data retention options for grounded AI workflows.
Funding: $107.0M
Rough estimate of the amount of funding raised
Funding: $107.0M
Rough estimate of the amount of funding raised
Figure develops Figure 03, a general-purpose humanoid robot designed for everyday household tasks. This robot utilizes the proprietary Helix AI system, enabling it to navigate and interact within unpredictable, ever-changing home environments. The platform aims to provide human-like assistance by performing chores in a manner consistent with human execution.
Funding: $845.0M
Rough estimate of the amount of funding raised
Funding: $845.0M
Rough estimate of the amount of funding raised
Genecis Bioindustries utilizes biotechnology to convert organic waste into polyhydroxyalkanoates (PHAs), a sustainable alternative to traditional plastics. This process addresses the environmental impact of single-use plastics by providing biodegradable materials suitable for various applications, including packaging, automotive parts, and medical products.
General Fusion builds Magnetized Target Fusion power plants that compress magnetized plasma with a liquid‑metal liner to produce neutron‑driven heat, which is transferred to steam turbines for carbon‑free baseload electricity. The liquid metal wall also breeds tritium and protects the vessel, allowing a simpler, lower‑cost design than laser or superconducting‑magnet fusion systems.
Funding: $21.6M
Rough estimate of the amount of funding raised
Funding: $21.6M
Rough estimate of the amount of funding raised
LineLeap provides a mobile app that allows users to skip lines, order drinks, and purchase event tickets directly from their smartphones, enhancing the nightlife experience. By eliminating wait times and streamlining payment processes, LineLeap addresses the inconvenience of long queues and cash transactions at bars and events.
Funding: $25.4M
Rough estimate of the amount of funding raised
Funding: $25.4M
Rough estimate of the amount of funding raised
Machina Labs combines robotics and AI to create a robotic craftsman platform that enables rapid production and iteration of complex metal components, significantly reducing lead times from months to days. This technology addresses the inefficiencies in traditional manufacturing processes, allowing industries such as aerospace and automotive to accelerate innovation and reduce costs.
Funding: $32.0M
Rough estimate of the amount of funding raised
Innovation EndeavorsNVentures
Innovation EndeavorsNVentures
Funding: $32.0M
Rough estimate of the amount of funding raised
Pair Eyewear offers a modular prescription eyewear system where a durable base frame holds interchangeable magnetic top frames for clear, tinted, or UV‑blocking lenses. The lenses are produced in‑house with single‑vision, progressive, and blue‑light options, allowing users to change styles in seconds without purchasing a new pair.
Funding: $75.0M
Rough estimate of the amount of funding raised
Prysm Capital
Prysm Capital
Funding: $75.0M
Rough estimate of the amount of funding raised
Pirouette Medical develops a portable auto-injector designed for ease of use in emergency situations, enabling quick and accurate administration of medication. This device addresses the challenge of timely drug delivery in critical care scenarios, enhancing patient outcomes through its intuitive design.
Funding: $7.0M
Rough estimate of the amount of funding raised
Funding: $7.0M
Rough estimate of the amount of funding raised
Princeton NuEnergy utilizes patented Low-temperature Plasma-assisted Separation (LPAS™) technology to directly recycle lithium-ion batteries, rejuvenating cathode and anode materials while significantly reducing energy, water, and CO2 emissions. This process addresses the environmental impact of traditional battery recycling methods and the reliance on mining for raw materials by enabling a domestic circular economy for battery materials.
Funding: $41.3M
Rough estimate of the amount of funding raised
Funding: $41.3M
Rough estimate of the amount of funding raised
Quaise is developing a gyrotron-powered drilling platform that utilizes millimeter-wave technology to vaporize boreholes and access deep geothermal energy at depths of up to 20 kilometers and temperatures of 500°C. This approach enables the rapid deployment of clean, renewable energy by repurposing existing fossil fuel infrastructure, addressing the urgent need for scalable and sustainable energy solutions.
Funding: $91.0M
Rough estimate of the amount of funding raised
Funding: $91.0M
Rough estimate of the amount of funding raised
Quidnet Energy provides a cloud‑based platform that aggregates and normalizes real‑time electricity generation, consumption, and market price data from sources such as smart meters, SCADA systems, and wholesale exchanges. The service delivers sub‑second updates through a unified RESTful/WebSocket API and includes built‑in analytics for load forecasting, price modeling, and anomaly detection, enabling utilities, power producers, and energy traders to automate operations, optimize market participation, and meet regulatory reporting requirements.
Funding: $10.0M
Rough estimate of the amount of funding raised
ARPA-E
ARPA-E
Funding: $10.0M
Rough estimate of the amount of funding raised
Quotebeam offers a platform that consolidates real-time inventory data from a network of regional distributors, enabling engineering and procurement teams to quickly locate and purchase verified automation parts. This approach addresses the challenge of sourcing hard-to-find components by providing instant access to in-stock items with transparent pricing and fast shipping options.
Funding: $3.6M
Rough estimate of the amount of funding raised
Funding: $3.6M
Rough estimate of the amount of funding raised
Rain AI manufactures energy-efficient hardware specifically designed for artificial intelligence applications, utilizing advanced power management techniques to minimize energy consumption. This technology addresses the high energy demands of AI processing, enabling organizations to reduce operational costs and environmental impact.
Funding: $40.2M
Rough estimate of the amount of funding raised
Funding: $40.2M
Rough estimate of the amount of funding raised
Rho is a financial platform that centralizes cash management, expense control, and accounting automation for growth-oriented companies, enabling them to streamline financial operations without increasing headcount. By providing real-time spend compliance and efficient invoice processing, Rho helps organizations reduce administrative burdens and improve financial visibility.
Funding: $204.7M
Rough estimate of the amount of funding raised
DFJ GrowthDragoneer Investment Group
DFJ GrowthDragoneer Investment Group
Funding: $204.7M
Rough estimate of the amount of funding raised
Runwise provides a wireless smart‑building platform that consolidates heating, cooling, and safety monitoring (flood, gas, smoke) into a single cloud‑based system. Battery‑powered mesh sensors feed real‑time data to a central hub that runs analytics for HVAC optimization, fault detection, and predictive maintenance, with alerts delivered via web dashboard, SMS, and mobile app. The solution installs in a day without wiring and is offered on a subscription model tied to verified energy savings.
Funding: $30.0M
Rough estimate of the amount of funding raised
Funding: $30.0M
Rough estimate of the amount of funding raised
Sage Geosystems utilizes its proprietary Geopressured Geothermal System (GGS) to extract both heat and pressure from geothermal wells, significantly increasing energy output compared to traditional methods. This technology makes geothermal energy accessible and cost-effective in non-volcanic regions, addressing the limitations of conventional geothermal sources and enhancing grid stability with reliable baseload power.
Funding: $44.8M
Rough estimate of the amount of funding raised
Expand Energy
Expand Energy
Funding: $44.8M
Rough estimate of the amount of funding raised
This company provides an AI-powered platform for skills-based hiring using realistic workplace simulations. The system assesses candidate abilities through interactive text and voice scenarios, offering explainable AI feedback instead of relying solely on resumes. This approach streamlines candidate screening, reduces hiring costs, and focuses recruitment on proven performance.
Funding: $4.5M
Rough estimate of the amount of funding raised
Funding: $4.5M
Rough estimate of the amount of funding raised
Showing 5 of 5 unmatched portfolio companies