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Greenhaven Road Investment Management, L.P.: ZM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Greenhaven Road Investment Management, L.P. on ZM, newest first. How the timeline and the estimate are built.

Greenhaven Road Investment Management, L.P. held 33,141 ZM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,141 shares
    Change vs previous 13F +8,141 shares

    1.86% of the 13F portfolio, value $2,860,400.

    13F-HR 0001420506-26-001699 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 25,000 shares
    Change vs previous 13F not available

    1.38% of the 13F portfolio, value $2,009,750.

    13F-HR 0001420506-26-001077 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).