Sigma Prime Ventures, Llc — 2021 Investments
3 investments dated 2021 · listed companies and verified rows first · show all
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)inMark Jaffe(Executive Officer, Director)inDavid J. Murphy, III(Director)
BoardRichard Grinnell(Director)in
Board seatBob Davoli· per SEC Form D · $9.2M raise · filed Apr 2024
Co-investorsCurql Collective, LLCGlasswing VenturesGutbrain VenturesNext Level VenturesRiverside Acceleration CapitalARC VENTURES
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)inEric Schnadig(President)inAnnie Michaud(Vice President of Customer Success)inGabe Maentz(Vice President of Solutions)inNate Palmer(Engineering Director)in
Board seatBob Davoli· per SEC Form D · $6.2M raise · filed May 2021
Co-investorsMK CapitalAlumni VenturesGutbrain VenturesJoint EffectsYork IEBuilding Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
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.













