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Granahan Investment Management, LLC: ARLO position timeline

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

Granahan Investment Management, LLC held 1,025,050 ARLO 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 1,025,050 shares
    Change vs previous 13F -144,440 shares

    0.49% of the 13F portfolio, value $13,817,674.

    13F-HR 0001398344-26-014483 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).

  2. period ended2026-03-31
    13F 1,169,490 shares
    Change vs previous 13F +831,108 shares

    0.8% of the 13F portfolio, value $16,641,843.

    13F-HR 0001398344-26-009220 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 ended2025-12-31
    13F 338,382 shares
    Change vs previous 13F +145,464 shares

    0.2% of the 13F portfolio, value $4,733,964.

    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).

  4. period ended2025-09-30
    13F 192,918 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $3,269,960.

    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).