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Granahan Investment Management, LLC: SIBN position timeline

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

Granahan Investment Management, LLC held 1,931,182 SIBN 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 1,931,182 shares
    Change vs previous 13F +192,085 shares

    1.12% of the 13F portfolio, value $31,516,890.

    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 1,739,097 shares
    Change vs previous 13F +858,942 shares

    1.06% of the 13F portfolio, value $21,964,795.

    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 880,155 shares
    Change vs previous 13F -159,494 shares

    0.74% of the 13F portfolio, value $17,356,657.

    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 1,039,649 shares
    Change vs previous 13F -224,678 shares

    0.63% of the 13F portfolio, value $15,303,633.

    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 1,264,327 shares
    Change vs previous 13F -168,374 shares

    0.97% of the 13F portfolio, value $23,794,634.

    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 1,432,701 shares
    Change vs previous 13F -201,865 shares

    1% of the 13F portfolio, value $20,100,795.

    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 1,634,566 shares
    Change vs previous 13F -21,740 shares

    0.96% of the 13F portfolio, value $22,916,615.

    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 1,656,306 shares
    Change vs previous 13F not available

    0.91% of the 13F portfolio, value $23,155,158.

    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).