Positive Sum

Positive Sum is a venture capital and private equity firm founded in 2020 and headquartered in Greenwich, Connecticut. The firm focuses on investing in early-stage technology companies across the United States, aiming to support teams in developing exceptional businesses. By leveraging its expertise and resources, Positive Sum seeks to drive innovation and growth within the technology sector.

Sam Cates

Partner

Gabi Marques

Analyst

Gabriela Marques

Investment Analyst

Alison Davis Riddell

Partner

19 past transactions

Rogo

Series B in 2025
Rogo is the secure, state-of-the-art Generative AI platform purpose-built for elite financial institutions. Trusted by thousands of investment bankers, asset managers, and private equity professionals, Rogo streamlines workflows, rapidly unlocks strategic insights, and saves valuable time—all within the industry's most rigorous security standards. Empower your team to analyze, automate, and innovate with confidence

Prefect

Convertible Note in 2024
Prefect is a data workflow orchestration platform that enables data engineers to build, test, and run data workflows efficiently. Founded in 2018 by Jeremiah Lowin, the company has established hubs in Washington, DC, Chicago, and San Francisco. The platform is powered by the open-source Prefect engine and includes features such as flow code, dataflow, a graphic API, and an auto API. It allows users to manage dynamic logic through control flow patterns, handle both expected and unexpected errors, and add parameters for runtime templating and reuse. This functionality supports data engineers in executing complex workflows with greater control and reliability.

Manufactured

Series A in 2024
Manufactured is a global company that specializes in manufacturing, financing, and distributing products across 20 industries in 25 countries. Since its inception in 2019, it has successfully managed over $140 million in gross merchandise value. The company offers an inventory success platform that provides tailored manufacturing and financing solutions for both B2B and direct-to-consumer clients. Its services include inventory financing, purchase order financing, and factoring, all designed to help businesses manage cash flow effectively and prevent inventory stockouts. Additionally, Manufactured assists clients in procuring large wholesale orders and offers comprehensive sourcing and supply chain management services, thereby enabling businesses to optimize their manufacturing processes.

Lone Palm Labs

Seed Round in 2023
Lone Palm Labs is a consumer technology company focused on social applications for friends and family. Lone Palm Labs currently building a pre-release product called Retro, a friends-only photo journal for moments big and small.

Passthrough

Series A in 2023
Passthrough is a company that specializes in developing a platform aimed at automating the subscription process for private funds. Its software facilitates the management of subscription document distribution, execution, and compliance, streamlining the workflow for attorneys, general partners, and investors. By enabling the electronic distribution of subscription agreements, Passthrough allows for real-time validation and ensures fully executed documents, thereby enhancing efficiency and reducing the administrative burden associated with traditional methods.

Blues Wireless

Series A in 2023
Blues Wireless Inc. is a Seattle-based company that specializes in manufacturing cellular embedded Internet of Things (IoT) equipment. Founded in 2018, the company offers a product called Notecard, which is a system-on-module (SOM) that integrates prepaid cellular connectivity, hardware design, and software integration. This all-in-one solution facilitates secure communications for cloud-based monitoring and connected operations, making cellular IoT more accessible and developer-friendly. Blues Wireless is focused on enhancing connectivity for individuals and businesses by leveraging the capabilities of cellular IoT technology.

Tegus

Venture Round in 2022
Tegus is a qualitative research platform tailored for buy-side investors, offering a robust database of peer-led expert call transcripts. This smart-searchable platform allows investors to rapidly access critical insights about businesses, significantly reducing the time needed for research. Tegus specializes in providing on-demand transcripts that enable investors to quickly familiarize themselves with specific companies. Additionally, the company facilitates custom-sourced calls, connecting clients with top industry experts, former employees, customers, and competitors, ensuring a comprehensive understanding of the market landscape. By delivering qualitative insights and facilitating direct communication with knowledgeable sources, Tegus aims to enhance investment decision-making, ultimately helping investors increase returns and mitigate risks.

Limit Break

Venture Round in 2022
Limit Break is a blockchain gaming company focused on transforming the free-to-play gaming experience for Web3 and beyond. Founded by experts in the mobile gaming industry, the company aims to replace traditional IPO-style fundraising with an innovative model that involves free mint games. Their platform allows game creators to monetize their creations through blockchain technology, enabling players to engage in multiplayer games, collect tokens, and generate income. By integrating these elements, Limit Break is positioning itself at the forefront of the evolving gaming landscape.

HourWork

Series A in 2022
Hourwork is a recruitment and retention platform that connects employers with hourly workers, focusing on optimizing the hourly workforce. Founded in 2018 and previously known as Syrg, the company serves over 5,000 quick-service restaurant franchises across the United States. Its platform integrates seamlessly with existing human resource software, enhancing operational compliance and security. By facilitating the recruitment of past applicants and former employees, Hourwork enables businesses to reduce costs, improve compliance, and boost employee engagement, ultimately striving to create an hourly workspace that benefits all stakeholders involved.

Curebase

Series B in 2022
Curebase is a company that develops software aimed at transforming the management of clinical trials. Founded in 2017 and based in San Francisco, California, its platform facilitates faster and more cost-effective trial execution by streamlining participant eligibility, enrollment, education, and consent processes. The software automates many manual steps and allows drug companies to efficiently distribute their trials to clinics. Additionally, it provides sponsors with access to real-time data, enabling them to monitor trial progress and manage information effectively. Curebase's services cater to various sectors, including medical devices, biotechnology, and digital health startups, enhancing the overall efficiency of clinical research.

HourWork

Series A in 2022
Hourwork is a recruitment and retention platform that connects employers with hourly workers, focusing on optimizing the hourly workforce. Founded in 2018 and previously known as Syrg, the company serves over 5,000 quick-service restaurant franchises across the United States. Its platform integrates seamlessly with existing human resource software, enhancing operational compliance and security. By facilitating the recruitment of past applicants and former employees, Hourwork enables businesses to reduce costs, improve compliance, and boost employee engagement, ultimately striving to create an hourly workspace that benefits all stakeholders involved.

Passthrough

Seed Round in 2022
Passthrough is a company that specializes in developing a platform aimed at automating the subscription process for private funds. Its software facilitates the management of subscription document distribution, execution, and compliance, streamlining the workflow for attorneys, general partners, and investors. By enabling the electronic distribution of subscription agreements, Passthrough allows for real-time validation and ensures fully executed documents, thereby enhancing efficiency and reducing the administrative burden associated with traditional methods.

Casa

Series A in 2021
Casa offers a secure storage solution for consumers and companies to safely store their digital wealth. Casa helps users manage their private keys, through the multi-location security model that removes single points of failure and protects users from theft, accidents, and disasters, providing them with the tools for securing their digital lives.

Alpaca

Series B in 2021
Alpaca is a developer-focused financial technology platform that provides a modern brokerage infrastructure for accessing financial markets. The company offers services that include stock and cryptocurrency investing, real-time market data, and comprehensive brokerage capabilities through user-friendly application programming interfaces (APIs). This enables developers to create trading applications and integrate investment functionalities into various products. Alpaca supports a diverse range of businesses and applications globally, catering to tens of thousands of developers who utilize its platform to enhance their financial offerings. The company has attracted significant funding from leading investors in the sector, positioning itself as a prominent player in the embedded finance landscape.

Candidate

Seed Round in 2021
Candidate, Inc. is an online staffing and recruiting company that operates a marketplace designed to encourage individuals to act as recruiters within their own networks. Founded in 2020 and headquartered in Seattle, Washington, the company aims to leverage personal connections to enhance the recruiting process, making it accessible and beneficial for a broader audience.

Prefect

Series B in 2021
Prefect is a data workflow orchestration platform that enables data engineers to build, test, and run data workflows efficiently. Founded in 2018 by Jeremiah Lowin, the company has established hubs in Washington, DC, Chicago, and San Francisco. The platform is powered by the open-source Prefect engine and includes features such as flow code, dataflow, a graphic API, and an auto API. It allows users to manage dynamic logic through control flow patterns, handle both expected and unexpected errors, and add parameters for runtime templating and reuse. This functionality supports data engineers in executing complex workflows with greater control and reliability.

Plus

Seed Round in 2021
Plus is a software company that captures, views, and shares current data from any source. Customers are using Plus to visualize their customer funnel and operations across disconnected tools, communicate with partners and suppliers, and automate recurring updates. Take a "Live Snapshot" of any website or application — don't worry about APIs, integrations, etc. — to turn data into live insights that stay updated, and share it with the team, partners, customers, and other collaborators.

Prefect

Series A in 2021
Prefect is a data workflow orchestration platform that enables data engineers to build, test, and run data workflows efficiently. Founded in 2018 by Jeremiah Lowin, the company has established hubs in Washington, DC, Chicago, and San Francisco. The platform is powered by the open-source Prefect engine and includes features such as flow code, dataflow, a graphic API, and an auto API. It allows users to manage dynamic logic through control flow patterns, handle both expected and unexpected errors, and add parameters for runtime templating and reuse. This functionality supports data engineers in executing complex workflows with greater control and reliability.

Bottomless

Series A in 2021
Bottomless is a company that has developed a WiFi-enabled scale designed to enhance the coffee subscription experience. This innovative scale allows users to track their coffee consumption and automatically reorder freshly roasted beans when supplies run low. By syncing with the scale, consumers can specify their preferences, enabling the platform to learn individual caffeine habits and provide personalized coffee selections. This approach ensures that customers receive fresh coffee at optimal times, avoiding the stale offerings typically associated with traditional coffee purchases.
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