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Granahan Investment Management, LLC: CCOI position timeline

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

Granahan Investment Management, LLC held 302,653 CCOI 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 302,653 shares
    Change vs previous 13F -14,794 shares

    0.15% of the 13F portfolio, value $4,200,824.

    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 317,447 shares
    Change vs previous 13F +100,422 shares

    0.29% of the 13F portfolio, value $5,980,701.

    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 217,025 shares
    Change vs previous 13F +108,036 shares

    0.2% of the 13F portfolio, value $4,679,059.

    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 108,989 shares
    Change vs previous 13F -115,502 shares

    0.17% of the 13F portfolio, value $4,179,728.

    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 224,491 shares
    Change vs previous 13F +38,909 shares

    0.44% of the 13F portfolio, value $10,822,711.

    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 185,582 shares
    Change vs previous 13F +11,101 shares

    0.57% of the 13F portfolio, value $11,378,032.

    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 174,481 shares
    Change vs previous 13F -7,986 shares

    0.56% of the 13F portfolio, value $13,447,251.

    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 182,467 shares
    Change vs previous 13F not available

    0.54% of the 13F portfolio, value $13,852,895.

    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).