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    Keyframe Capital

    New York, New York, United StatesFounded 2017

    Keyframe Capital is a New York-based cross-asset, special situations investment firm focused on technology and regulatory changes. It invests in companies, assets, and management teams across energy transition, transportation, and the built environment, targeting $25–75M investments with flexible capital structures.

    41% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (1 deal in the last 12 months vs 2 prior). Their most common stage is series-b (47% of deals). Average disclosed round size is $31.7M (across 16 rounds with reported amounts).

    Find people at Keyframe Capital on Goldilocks AI

    Portfolio

    12

    Fund Size

    —

    Top Stage

    Series B

    Last 12 Mo

    1

    Team

    Benjamin Birnbaum

    Benjamin Birnbaum

    Partner

    Ethan Goldsmith

    Ethan Goldsmith

    Partner

    Joe Kronsberg

    Joe Kronsberg

    Partner

    Alessandro Portela

    Alessandro Portela

    Chief Investment Officer

    Max Zeger

    Max Zeger

    Investor

    Patrick Norris

    Patrick Norris

    Investor

    Laura Carrillo

    Laura Carrillo

    Administrative Assistant

    Melodie Jordahl

    Melodie Jordahl

    Sr. Executive Assistant

    Alex Brown

    Alex Brown

    John Rapaport

    John Rapaport

    Stephen Goldstein

    Stephen Goldstein

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    17 investments
    CompanyRoundAmountDate
    PassiveLogic logoPassiveLogicSeries C—Sep 2025
    Utilidata logoUtilidataSeries C$60.3MApr 2025
    David Energy logoDavid EnergySeries B$23MSep 2024
    IInfogridUnknown$13MJan 2024
    IInfogridSeries B$90MJan 2023
    HopSkipDrive logoHopSkipDriveSeries D$37MSep 2022
    Aero logoAeroSeries B$65MAug 2022
    Utilidata logoUtilidataSeries B$26.8MFeb 2022
    PassiveLogic logoPassiveLogicSeries B$34MJan 2022
    Autofleet logoAutofleetSeries B$20MOct 2021
    PassiveLogic logoPassiveLogicSeries A$16MJan 2021
    Arcadia logoArcadiaSeries B$25MAug 2018
    David Energy logoDavid EnergySeries A$23M—
    Aquicore logoAquicoreUnknown$14M—
    Logical Buildings logoLogical BuildingsUnknown$10M—
    Buildings IOT logoBuildings IOTGrowth$10M—
    Xeal logoXealSeries B$40M—

    Top Co-Investors

    Last updated: 7 October 2026