Sigma Prime Ventures, Llc
Venture capitalCampbell · Series A–Series B · 6 people tracked
Find your way into Sigma Prime Ventures, Llc
844 people in our graph share verified history with the Sigma Prime Ventures, Llc team — schools, employers, funds. One of them is your warm intro.
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.
Source: firm website, verified Sep 1, 2026.
Team · 6 people
from curated & public directories
What they invest in
from 6 of 10 portfolio companiesAI & Machine Learning ×4Marketing Tech ×3SaaS ×2AdTech ×1Deep Tech ×1E-commerce ×1Enterprise Software ×1Hardware ×1
HQs:United States×10
Investments · 10 tracked
founders shown can be your intro pathBy year:2022 · 12015 · 12 dated
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)inJeff Gallino(CEO & Founder)inJonathan Ranger(Executive Officer)inRobert Lane(Executive Officer)Bruce McMahon(Executive Officer)inEric Williamson(Executive Officer)in
Co-investorsGoldman SachsHamilton LaneIn-Q-TelEscalate Capital PartnersGutbrain VenturesSpringcoast Capital Partners
Bedford, US
Bruce Reading(Executive Officer, Director)
BoardJosaphat Tango(Director)Patrick Morley(Director)Larry Walton(Director)Thomas Erickson(Director)
Board seatJohn Mandile· per SEC Form D · filed Jul 2015
Co-investorsKepha Partners
Boston, US
John Danahy(Executive Officer, Director)Michael Duffy(Executive Officer, Director)
BoardThomas E. Noonan(Director)Harry Weller(Director)John Mandile(Director)
Co-investorsNew Enterprise Associates (NEA)
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)inMartijn van Berkum(Director)inHarmen Haarman(Executive Officer)
BoardJohn Simon(Director)Henry Ancona(Director)
Co-investorsConvergeData Point CapitalVista Equity Partners
Cloud infrastructure cost and performance management platform.
Boston, US
Joe Kinsella(Chief Technology Officer and member of Board of Directors)Daniel Phillips(Executive Officer, Director)Dave Eicher(Chief Operating Officer, Secretary, and Treasurer)
BoardRobert Davoli(Member of Board of Directors)Lawrence Begley(Member of Board of Directors)Bob Brennan(Member of Board of Directors)
Co-investors.406 VenturesScale Venture Partners
Movable Ink offers AI-driven personalization software, including its Studio and Da Vinci products, that automatically generates and curates content, send times, and frequency to personalize customer messages such as email at the moment of engagement.
AI & Machine LearningMarketing TechSaaSWaltham, US
Gregory Leibon(Executive Officer, Director)inKen MacAskill(Executive Officer)James Glover(Executive Officer, Director)
Co-investorsCeltic House Venture PartnersContour Venture PartnersEscalate Capital Partnersm]x[v CapitalMI VenturesRunway Venture Partners+4 more
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 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 VenturesTwo Bear Capital
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)
BoardBob Mason(Director)
Co-investorsAccompliceGolden VenturesBantam GroupDG Daiwa VenturesFairhaven Capital PartnersFlow Capital+8 more
New York, US
Justin Wisz(Executive Officer, Director)Arthur Bierer(Executive Officer)Ralph Pahlmeyer(Executive Officer, Director)
BoardJere Doyle(Director)Alessandro Piol(Director)Stuart Silverman(Director)
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.
Portfolio news
latest coverage across their companiesTVision Insights · finance.yahoo.com · May 6, 2026
R2 Semiconductor · nasdaqprivatemarket.com · Apr 3, 2026
Frequently asked questions
- 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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