# Sigma Prime Ventures

> Sigma Prime Ventures is a VC fund in Boston backing Software and Analytics. See 65 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Boston, United States
- Total investments: 65
- Last investment: Jan 2022
- Lead investor: 28%
- Fund size: $116M
- Last fund: Jun 2013
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/company/sigma-prime-ventures
- X (Twitter): http://twitter.com/sigmaprimev
- Website: http://www.sigmaprime.com
- Facebook: http://www.facebook.com/sigmaprimev

Sigma Prime Ventures is a VC fund in Boston focused on Software and Analytics. Sigma Prime Ventures invests in early stage technology companies focusing on SaaS, Cloud, Mobile, disruptive technologies and technology-enabled service companies. Sigma Prime Ventures primarily cover the East Coast, focusing on Boston, New York and Atlanta.Their first-hand experience allows us to give early-stage companies both tacticaland strategic guidance and access to a powerful business network. Their team has founded or cofounded 10 companies, helped run 10 companies, and collectively been responsible for exits worth over $4.2B in companies where they were operators.

## Contacts

5 contacts available for Sigma Prime Ventures. Shizune tracks 6 team members at Sigma Prime Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/sigma-prime-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 18 | 28% |
| Analytics | 12 | 18% |
| SaaS | 10 | 15% |
| Enterprise Software | 8 | 12% |
| Information Technology | 7 | 11% |

80 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 17 | 26% |
| Series C | 9 | 14% |
| Funding Round | 9 | 14% |
| Series B | 8 | 12% |
| Series D | 4 | 6% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 31 | 48% |
| Canada | 1 | 2% |
| United Kingdom | 1 | 2% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Donna Sears | Investor Relations & Operations | 0 | https://shizune.co/investors/profile/donna-sears |
| John Simon | Managing Director | 18 | https://shizune.co/investors/profile/john-simon |
| Jere Doyle | Managing Director | 26 | https://shizune.co/investors/profile/jere-doyle |
| John Mandile | Managing Director | 22 | https://shizune.co/investors/profile/john-mandile |
| Paul Flanagan | Co-Founder & Managing Director | 19 | https://shizune.co/investors/profile/paul-flanagan |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BlueConic | BlueConic is the operating system that puts data into action for marketing and growth doers. The industry-first solution empowers doers with an unmatched range of capabilities to access relevant customer data, create resonant customer experiences, and drive maximum returns for their business. More than 500 businesses worldwide rely on BlueConic tounlock their full customer data potential, including Forbes, Heineken, Mattel, Michelin, Telia Company, and VF Corp. |  | Venture - Series Unknown | Jan 05, 2022 |  |
| Vestorly | Vestorly is a technology company whose award-winning AI-driven Content Management Engine (CME) unleashes the power of machine learning and natural language processing (NLP) to leverage content across different business activities. Vestorly’s content engine combines the primary components of content marketing and management together tointelligently curate original and third-party content. It does three things exceptionally well; content discovery, content filtering, and content personalization to deliver game-winning customer engagement, lead generation, and brand intent for major brands and publishers. Vestorly’s content management engine is built to meet the content compliance needs of FINRA, SEC, IIROC, HIPAA, and FCA regulated companiesVestorly was founded in 2012 and is headquartered in New York, New York. |  | Series A | Dec 03, 2020 |  |
| Phenom | Phenom is a purpose-driven company that delivers AI-powered talent experiences to global enterprises. Employers are using Phenom to hire employees faster develop them to their full potential, and retain them longer. The Phenom Intelligent Talent Experience platform seamlessly connects candidates, employees, recruiters, hiring managers, HR, andHRIS — empowering over 500 diverse and global enterprises with innovative products including Phenom Career Site, Chatbot, CMS, CRM, AI Scheduling, One-Way Interviews, Campaigns, University Recruiting, Talent Marketplace, Career Pathing, Gigs, Mentoring, and Referrals.With Phenom, candidates find and choose jobs faster, employees develop their skills and evolve, recruiters become wildly productive, managers build stronger-performing teams, HR aligns employee development with company goals, and HRIS creates a holistic tech infrastructure through seamless integrations. | $30M | Series C | Jan 16, 2020 |  |
| BlueConic | BlueConic is the operating system that puts data into action for marketing and growth doers. The industry-first solution empowers doers with an unmatched range of capabilities to access relevant customer data, create resonant customer experiences, and drive maximum returns for their business. More than 500 businesses worldwide rely on BlueConic tounlock their full customer data potential, including Forbes, Heineken, Mattel, Michelin, Telia Company, and VF Corp. | $12.8M | Series B | Jan 02, 2020 |  |
| NS1 | NS1 is an internet company that provides accurate control over application delivery that values interaction with customers. They build the world’s most intelligent DNS and traffic management technologies, enabling their customers to take unparalleled control over their traffic and infrastructure as conditions change in application environments andacross the global network.They're relentlessly focused on helping their customers succeed in their digital transformation initiatives. Their platform is 100% API driven and DevOps is in their DNA. Through native integrations with leading DevOps tools and vendors, NS1 is removing the barriers to full infrastructure automation.NS1's comprehensive platform technology leverages infrastructure, application, and network data to make intelligent routing decisions in real-time, ensuring optimal application performance and reliability. The company's platform is delivered through its world-class Managed DNS Network for customers including Imgur, MaxCDN, DropBox, SalesForce, and many more. | $33M | Series C | Oct 03, 2019 |  |
| aPriori Technologies | aPriori is a provider of digital manufacturing simulation software. By leveraging the digital twin with our digital factories, they automatically generate design for manufacturability (DFM) and design to cost (DTC) insights, helping manufacturers collaborate across the product development process to make better design, sourcing and manufacturingdecisions, drive product costs lower, and create higher value products in less time.aPriori also provides discrete manufacturers and product innovation companies with the most technologically advanced and comprehensive product cost management software and service solutions available on the market today. These solutions fundamentally change the way companies calculate and manage product costs, enabling more informed design, manufacturing, and sourcing decisions that drive significant cost out of products, both pre- and post-production. | $26.8M | Series C | Sep 10, 2019 |  |
| Ceros | Ceros is a cloud-based experiential content creation platform that empowers marketers and designers to create rich, interactive content without code or traditional web development. | $14M | Series C | Feb 28, 2019 |  |
| Nasuni | Nasuni enables organizations to store, protect, synchronize and collaborate on files across all locations at scale. Nasuni Cloud File Services™, powered by the Nasuni UniFS® global file system, leverages cloud storage to modernize primary NAS and file server storage; archiving; backup; and disaster recovery, while offering transformational newcapabilities for multi-site file sharing. By combining the low cost, unlimited capacity, and durability of object storage from leading cloud vendors such as Amazon, Azure, Dell EMC, and IBM, with the high performance, security, and broad application compatibility of traditional file storage, the Nasuni subscription service improves workforce productivity, simplifies IT operations, and reduces IT costs. The world’s largest companies in 12 industry sectors rely on Nasuni to maximize the business value of their file data and ensure business continuity. | $25M |  | Feb 19, 2019 |  |
| Phenom | Phenom is a purpose-driven company that delivers AI-powered talent experiences to global enterprises. Employers are using Phenom to hire employees faster develop them to their full potential, and retain them longer. The Phenom Intelligent Talent Experience platform seamlessly connects candidates, employees, recruiters, hiring managers, HR, andHRIS — empowering over 500 diverse and global enterprises with innovative products including Phenom Career Site, Chatbot, CMS, CRM, AI Scheduling, One-Way Interviews, Campaigns, University Recruiting, Talent Marketplace, Career Pathing, Gigs, Mentoring, and Referrals.With Phenom, candidates find and choose jobs faster, employees develop their skills and evolve, recruiters become wildly productive, managers build stronger-performing teams, HR aligns employee development with company goals, and HRIS creates a holistic tech infrastructure through seamless integrations. | $22M | Series B | May 24, 2018 |  |
| NS1 | NS1 is an internet company that provides accurate control over application delivery that values interaction with customers. They build the world’s most intelligent DNS and traffic management technologies, enabling their customers to take unparalleled control over their traffic and infrastructure as conditions change in application environments andacross the global network.They're relentlessly focused on helping their customers succeed in their digital transformation initiatives. Their platform is 100% API driven and DevOps is in their DNA. Through native integrations with leading DevOps tools and vendors, NS1 is removing the barriers to full infrastructure automation.NS1's comprehensive platform technology leverages infrastructure, application, and network data to make intelligent routing decisions in real-time, ensuring optimal application performance and reliability. The company's platform is delivered through its world-class Managed DNS Network for customers including Imgur, MaxCDN, DropBox, SalesForce, and many more. | $20M |  | Sep 07, 2017 |  |

10 of 65 investments shown.

## Co-investors
- [Sigma Partners](https://shizune.co/investors/profile/sigma-partners) — VC Fund, 18 deals together
- [Boston Seed Capital](https://shizune.co/investors/profile/boston-seed-capital) — VC Fund, 7 deals together
- [Flybridge](https://shizune.co/investors/profile/flybridge-capital) — VC Fund, 7 deals together
- [CVP Management](https://shizune.co/investors/profile/commonangels) — VC Fund, 6 deals together
- [.406 Ventures](https://shizune.co/investors/profile/406-ventures) — VC Fund, 4 deals together
- [CRV](https://shizune.co/investors/profile/crvvc) — VC Fund, 4 deals together

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## FAQ

### What does Sigma Prime Ventures invest in?

Sigma Prime Ventures invests primarily in Software, Analytics and SaaS startups, most often at Series A and Series C stage. Most of the 65 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Sigma Prime Ventures?

Public channels for Sigma Prime Ventures include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Sigma Prime Ventures?

The team at Sigma Prime Ventures includes Donna Sears (Investor Relations & Operations), John Simon (Managing Director) and Jere Doyle (Managing Director), among 6 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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