How many investments has Sigma Prime Ventures, Llc made?

Sigma Prime Ventures, Llc has 17 tracked investments, 2 of which have exited.

What stage does Sigma Prime Ventures, Llc invest at?

Sigma Prime Ventures, Llc invests at the Series A, Series B stages.

What is Sigma Prime Ventures, Llc's typical check size?

Sigma Prime Ventures, Llc typically writes checks of $1M – $10M.

What sectors does Sigma Prime Ventures, Llc focus on?

Sigma Prime Ventures, Llc focuses on AI & Machine Learning, Data & Infrastructure, Enterprise Software, SaaS.

Where is Sigma Prime Ventures, Llc located?

Sigma Prime Ventures, Llc is headquartered in Campbell, US.

Does Sigma Prime Ventures, Llc lead rounds?

Sigma Prime Ventures, Llc typically participates in rounds rather than leading them.

Sigma Prime Ventures, Llc

Venture capital

Campbell · Series A–Series B · 6 people tracked

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✨ Fox Verdict

Investment thesis

Early-stage investor focused on Boston, New York and Atlanta in SaaS, cloud, mobile and technology-enabled service companies; team brings operator experience—10 founded, 10 run, $4.2B+ exits.

Invests inAI & Machine Learning Data & Infrastructure Enterprise Software SaaS Campbell United States

Source: firm website, verified Sep 29, 2026.

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Stage

Series A–Series B

Check

$1M – $10M

Campbell, Massachusetts, US

Leads rounds

Follows

Private fund assets

$106.1M

VC funds

Tracked investments

Acquisitions

Team · 6 people

from curated & public directories

Paul Flanagan· Co-Founder and Managing Director𝕏

Paul Flanagan is a highly selective investor—only six investments in five years—who commits to 4–6 year board roles and uniquely steps into operating CEO/CFO positions, as he did at Nasuni.

David Blitzer· Managing Director· Philadelphia, Pennsylvania, United States

Co-founder of Harris Blitzer Sports & Entertainment.

Jere Doyle· Managing Director· Delray Beach, Florida, United Statesin 𝕏

Jere Doyle, a serial founder-operator turned VC who built and exited two martech companies, combines hands-on board roles with academic leadership at Boston College and a structured coaching platform.

John Mandile· Managing Director

John Mandile's two decades as entrepreneur and business-unit manager inform a hands-on investing style; founding Social Ventures.org and long-term chairing of Health Leads show his commitment to health equity.

John Simon· Managing Director· Boston, Massachusetts, United Statesin

John Simon, a General Catalyst co‑founder who built UroMed into a several‑hundred‑million‑dollar public company, backs founders with world‑leading domain expertise and demands evidence of customer demand before fundraising.

Robert Davoli· Managing Director· Boston, Massachusettsin

Founder and investor at GutBrain Ventures, Bob Davoli is a former software entrepreneur and operator with decades of experience as an early-stage technology venture investor and board member, known for partnering closely with founders and guiding many companies to successful exits.

What they invest in

from 10 of 17 portfolio companies

AI & Machine Learning ×8SaaS ×5Marketing Tech ×4Enterprise Software ×2AdTech ×1Advanced Manufacturing ×1Cloud Computing ×1Cybersecurity ×1

HQs:United States×17

Investments · 17 tracked

founders shown can be your intro path

By year:2022 · 1 2021 · 3 2019 · 1 2017 · 1 2015 · 410 dated

Callminercallminer.com in 𝕏Jul 2015✓ verified

CallMiner provides an AI-powered conversation intelligence and customer experience automation platform that captures and analyzes omnichannel customer interactions such as calls, emails, texts, and surveys.

AI & Machine LearningEnterprise SoftwareSaaSWaltham, US

Terence M. Leahy(Executive Officer, Director)in Jeff Gallino(CEO & Founder)in Jonathan Ranger(Executive Officer)inRobert Lane(Executive Officer)Bruce McMahon(Executive Officer)in Eric Williamson(Executive Officer)in

Board seat Robert Davoli· per SEC Form D

Co-investorsGoldman Sachs Hamilton Lane In-Q-Tel Escalate Capital Partners Gutbrain Ventures Springcoast Capital Partners

Allure Securityalluresecurity.com in 𝕏Nov 2021SEC filingmedium confidence

Allure Security provides brand protection against digital impersonation, using AI to monitor URLs, social profiles, apps, and deepfakes for phishing and spoofing threats.

AI & Machine LearningCybersecuritySaaSWellesley, US

Salvatore Stolfo(Executive Officer, Director)in Mark Jaffe(Executive Officer, Director)inDavid J. Murphy, III(Director)

Board Richard Grinnell(Director)in

Board seat Robert Davoli· per SEC Form D · $9.2M raise · filed Apr 2024

Co-investorsCurql Collective, LLC Glasswing Ventures Gutbrain Ventures Next Level Ventures Riverside Acceleration Capital

Datanomixdatanomix.io in 𝕏May 2021SEC filingmedium confidence

Datanomix provides real-time production monitoring, scheduling, quoting/P&L analytics, ERP insights, and G-code file management software for manufacturers, connecting to CNC machines and fabrication equipment to track output, downtime, and job profitability.

Advanced ManufacturingAI & Machine LearningSaaSNashua, US

John Paul Joseph(Executive Officer, Director)Greg McHale(Founder & CEO)in Eric Schnadig(President)inAnnie Michaud(Vice President of Customer Success)in Gabe Maentz(Vice President of Solutions)inNate Palmer(Engineering Director)in

Board seat Robert Davoli· per SEC Form D · $6.2M raise · filed May 2021

Co-investorsMK Capital Alumni Ventures Gutbrain Ventures Joint Effects York IE Building Ventures

Virtusavirtusa.com 𝕏May 2017SEC filingmedium confidence

Virtusa provides IT and software services for enterprise clients, supporting digital transformation and technology development across multiple industries.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSector AgnosticWestborough, US

Kris Canekeratne(Executive Officer, Director)Roger Keith Modder(Executive Officer)Ranjan Kalia(Executive Officer)Santosh Thomas in

BoardVikram S. Pandit(Director)Robert E. Davoli(Director)

Board seat Robert Davoli· per SEC Form D · $108M raise · filed May 2017

Co-investorsBPEA EQT CRV (Charles River Ventures)Globespan Capital Partners EQT

BlueConicblueconic.com inJan 2022 · $13M

BlueConic is a customer growth platform for e-commerce brands that combines real-time customer profiles with AI agents that run growth programs—cart recovery, replenishment, acquisition, and retention—across a brand's existing marketing channels.

AI & Machine LearningE-commerceMarketing TechBoston, US

Bart Heilbron(Executive Officer, Director)in Martijn van Berkum(Director)inHarmen Haarman(Executive Officer)

Board John Simon(Director)inHenry Ancona(Director)

Co-investorsConverge Data Point Capital Vista Equity Partners

Cerosceros.com in 𝕏Feb 2019 · $14M

Ceros is a platform that enables brands to create interactive and engaging digital content experiences designed to drive higher engagement and conversion metrics.

AI & Machine LearningMarketing TechSaaSNew York, US

Brian Alvey(Director)inSimon Berg(Executive Officer, Director)

Board Jere Doyle(Director)in Lawson DeVries(Director)inLiza Benson(Director)Ian Sigalow(Director)in

Co-investorsGreycroft Greenspring Associates Grotech Ventures StarVest Partners

HubLogixhublogix.com

HubLogix, based in the United States, provides a cloud service that connects online storefronts to the systems that fulfill their orders.

Logistics & Supply Chain

Kurt Heinrich

Co-investors500 Global

R2 Semiconductorr2semi.com

R2 Semiconductor develops power management semiconductor technology, including envelope tracking for RF power amplifiers and core power management for multi-core application processors and digital SoCs.

Deep TechHardwareIoTSemiconductorsSunnyvale, US

DAVID FISHER(Executive Officer, Director)ANDREW HARTLAND(Executive Officer)

BoardFAHRI DINER(Director)ROBERT SCHWARTZ(Director)BOB PAVEY(Director)RICHARD GOLD(Director)

Co-investorsThird Point Ventures Two Bear Capital

TVision Insightstvisioninsights.com in 𝕏

TVision measures TV viewer presence and attention using in-home computer-vision technology, IoT, and data processing applied to a nationally representative household panel, producing second-by-second attention and engagement metrics.

AdTechAI & Machine LearningMarketing TechMedia & EntertainmentCambridge, US

Yanfeng Liu(Executive Officer, Director)Daniel Schiffman(Executive Officer, Director)

Board Bob Mason(Director)in

Co-investorsGolden Ventures Accomplice Bantam Group BRC Innovation DG Daiwa Ventures Fairhaven Capital Partners +12 more

Vestorly in

New York, US

Justin Wisz(Executive Officer, Director)inArthur Bierer(Executive Officer)Ralph Pahlmeyer(Executive Officer, Director)

Board Jere Doyle(Director)inAlessandro Piol(Director)Stuart Silverman(Director)

Co-investorsRichmond Global Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Barkly ProtectsDeep Information SciencesLabelNexus VoltDB CloudHealth Technologies Coherent Path Q Factor Communications

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

Exits · 2

2 acquisitions

CloudHealth Technologiesacq. by VMwareCoherent Pathacq. by Movable Ink

Frequently asked questions

How many investments has Sigma Prime Ventures, Llc made?: Sigma Prime Ventures, Llc has 17 tracked investments, 2 of which have exited.
What stage does Sigma Prime Ventures, Llc invest at?: Sigma Prime Ventures, Llc invests at the Series A, Series B stages.
What is Sigma Prime Ventures, Llc's typical check size?: Sigma Prime Ventures, Llc typically writes checks of $1M – $10M.
What sectors does Sigma Prime Ventures, Llc focus on?: Sigma Prime Ventures, Llc focuses on AI & Machine Learning, Data & Infrastructure, Enterprise Software, SaaS.
Where is Sigma Prime Ventures, Llc located?: Sigma Prime Ventures, Llc is headquartered in Campbell, US.
Does Sigma Prime Ventures, Llc lead rounds?: Sigma Prime Ventures, Llc typically participates in rounds rather than leading them.

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