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Granahan Investment Management, LLC: POWL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Granahan Investment Management, LLC on POWL, newest first. How the timeline and the estimate are built.

Granahan Investment Management, LLC held 0 POWL shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -16,764 shares

    13F-HR 0001398344-26-003202 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 16,764 shares
    Change vs previous 13F -27,449 shares

    0.21% of the 13F portfolio, value $5,109,835.

    13F-HR 0001398344-25-020897 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 44,213 shares
    Change vs previous 13F +4,013 shares

    0.38% of the 13F portfolio, value $9,304,626.

    13F-HR 0001398344-25-015412 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 40,200 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $6,847,266.

    13F-HR 0001398344-25-009461 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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