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Granahan Investment Management, LLC: NPKI position timeline

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

Granahan Investment Management, LLC held 221,224 NPKI 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 221,224 shares
    Change vs previous 13F -180,434 shares

    0.13% of the 13F portfolio, value $3,519,674.

    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 401,658 shares
    Change vs previous 13F -178,789 shares

    0.28% of the 13F portfolio, value $5,820,024.

    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 580,447 shares
    Change vs previous 13F +80,507 shares

    0.3% of the 13F portfolio, value $6,918,928.

    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 499,940 shares
    Change vs previous 13F -157,520 shares

    0.23% of the 13F portfolio, value $5,654,321.

    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).

  5. period ended2025-06-30
    13F 657,460 shares
    Change vs previous 13F -118,970 shares

    0.23% of the 13F portfolio, value $5,594,985.

    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).

  6. period ended2025-03-31
    13F 776,430 shares
    Change vs previous 13F +70,723 shares

    0.22% of the 13F portfolio, value $4,511,058.

    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).

  7. period ended2024-12-31
    13F 705,707 shares
    Change vs previous 13F +21,816 shares

    0.23% of the 13F portfolio, value $5,412,773.

    13F-HR 0001398344-25-002765 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).

  8. period ended2024-09-30
    13F 683,891 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $4,739,365.

    13F-HR 0001398344-24-020730 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).