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Granahan Investment Management, LLC: NTSK position timeline

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

Granahan Investment Management, LLC held 607,060 NTSK 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 607,060 shares
    Change vs previous 13F +239,482 shares

    0.24% of the 13F portfolio, value $6,641,236.

    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 367,578 shares
    Change vs previous 13F +165,117 shares

    0.15% of the 13F portfolio, value $3,120,737.

    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 202,461 shares
    Change vs previous 13F +105,365 shares

    0.15% of the 13F portfolio, value $3,551,166.

    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 97,096 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $2,206,992.

    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).