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

Gabriela Marques

Investment Analyst

Gabi Marques

Analyst

Patrick O'Shaughnessy

CEO and Partner

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 founded in 2018 by Jeremiah Lowin, with locations in Washington, DC, Chicago, and San Francisco. The company specializes in providing a robust platform that enables data engineers to build, test, and execute complex data workflows efficiently. Its offerings include features such as flow code, dataflow, a graphic API, and an auto API, allowing users to manage dynamic logic and control flow patterns. The platform is designed to handle both expected and unexpected errors and supports the addition of parameters for runtime templating and reuse. Through these capabilities, Prefect empowers data teams to optimize their workflow processes and enhance productivity.

Manufactured

Series A in 2024
Manufactured is a company that specializes in manufacturing, financing, and distributing products across 20 industries in 25 countries. Established in 2019, it has successfully managed over $140 million in gross merchandise value. The company has developed an inventory success platform that provides a range of services tailored for both B2B and direct-to-consumer customers. These services include inventory financing, purchase order financing, and factoring, as well as comprehensive manufacturing and sourcing solutions. By focusing on optimizing cash flow, preventing inventory stockouts, and facilitating the procurement of large wholesale purchase orders for distributors and retailers, Manufactured enhances the overall manufacturing process for its clients.

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 technology company that offers a platform designed to streamline the subscription process for private funds. Its software automates the distribution and execution of subscription agreements, facilitating a more efficient workflow for attorneys, general partners, and investors. By providing real-time validation and extended document validation, Passthrough ensures that all subscription documents are fully executed and compliant. This automation simplifies the complexities associated with subscription management, making it easier for investors to engage with private funds while enhancing overall operational efficiency.

Blues Wireless

Series A in 2023
Blues Wireless Inc. is a Seattle-based company established in 2018 that specializes in manufacturing cellular embedded Internet of Things (IoT) equipment. The company's flagship product, Notecard, is a system-on-module (SOM) that integrates prepaid cellular connectivity, hardware design, and software capabilities, offering a secure communication solution for cloud-based monitoring and connected operations. By simplifying the development process for cellular IoT applications, Blues Wireless aims to enhance connectivity for individuals and businesses, enabling them to leverage the extensive potential 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 through Web3 technology. Founded by seasoned professionals in the mobile gaming sector, Limit Break aims to shift traditional fundraising methods by introducing free mint games, allowing game developers to monetize their creations and engage players in new ways. The company’s platform empowers game creators to sell assets and earn titles using blockchain technologies, enabling players to participate in immersive gaming experiences while collecting tokens and generating income.

HourWork

Series A in 2022
HourWork operates a recruitment and retention platform tailored for hourly workers in quick-service restaurants. Founded in 2018, the company connects employers with potential candidates from its extensive talent pool, comprising over 5,000 franchises nationwide. HourWork's platform integrates seamlessly with existing HR software, ensuring secure and compliant operations while facilitating rehiring of past applicants and former employees. This streamlined approach helps businesses reduce recruitment costs, enhance compliance, and boost employee engagement.

Curebase

Series B in 2022
Curebase is a company that specializes in developing software for clinical trials, aimed at enhancing the efficiency of the clinical research process. Founded in 2017 and based in San Francisco, California, Curebase offers a digital clinical trial assistant that transforms how medical providers discover, activate, and manage clinical trials for patients. The platform reduces recruitment times and automates various manual processes, allowing drug companies to distribute their trials more effectively to clinics. Additionally, it provides comprehensive data access for sponsors, enabling real-time monitoring of trial progress and data management. Curebase serves a diverse clientele, including medical device, biotech, and digital health startups, with a focus on enabling virtual studies and streamlining participant eligibility, enrollment, education, and consent.

HourWork

Series A in 2022
HourWork operates a recruitment and retention platform tailored for hourly workers in quick-service restaurants. Founded in 2018, the company connects employers with potential candidates from its extensive talent pool, comprising over 5,000 franchises nationwide. HourWork's platform integrates seamlessly with existing HR software, ensuring secure and compliant operations while facilitating rehiring of past applicants and former employees. This streamlined approach helps businesses reduce recruitment costs, enhance compliance, and boost employee engagement.

Passthrough

Seed Round in 2022
Passthrough is a technology company that offers a platform designed to streamline the subscription process for private funds. Its software automates the distribution and execution of subscription agreements, facilitating a more efficient workflow for attorneys, general partners, and investors. By providing real-time validation and extended document validation, Passthrough ensures that all subscription documents are fully executed and compliant. This automation simplifies the complexities associated with subscription management, making it easier for investors to engage with private funds while enhancing overall operational efficiency.

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 motivate individuals to act as recruiters within their own networks. Founded in 2020, the company is headquartered in Seattle, Washington. By leveraging personal connections, Candidate encourages users to participate in the recruitment process, creating a unique approach to talent acquisition.

Prefect

Series B in 2021
Prefect is a data workflow orchestration platform founded in 2018 by Jeremiah Lowin, with locations in Washington, DC, Chicago, and San Francisco. The company specializes in providing a robust platform that enables data engineers to build, test, and execute complex data workflows efficiently. Its offerings include features such as flow code, dataflow, a graphic API, and an auto API, allowing users to manage dynamic logic and control flow patterns. The platform is designed to handle both expected and unexpected errors and supports the addition of parameters for runtime templating and reuse. Through these capabilities, Prefect empowers data teams to optimize their workflow processes and enhance productivity.

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 founded in 2018 by Jeremiah Lowin, with locations in Washington, DC, Chicago, and San Francisco. The company specializes in providing a robust platform that enables data engineers to build, test, and execute complex data workflows efficiently. Its offerings include features such as flow code, dataflow, a graphic API, and an auto API, allowing users to manage dynamic logic and control flow patterns. The platform is designed to handle both expected and unexpected errors and supports the addition of parameters for runtime templating and reuse. Through these capabilities, Prefect empowers data teams to optimize their workflow processes and enhance productivity.

Bottomless

Series A in 2021
Bottomless is a company that has developed a WiFi-enabled scale aimed at enhancing the coffee consumption experience through smart subscription services. This innovative scale allows users to track their coffee usage and automatically reorder freshly roasted beans when supplies run low. By syncing with the scale, consumers can receive personalized coffee selections tailored to their caffeine preferences, ensuring they always enjoy freshly roasted coffee rather than stale alternatives. Bottomless focuses on delivering convenience and quality, making it easier for coffee lovers to manage their coffee supply effectively.
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