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Granahan Investment Management, LLC: IRTC position timeline

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

Granahan Investment Management, LLC held 83,903 IRTC 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 83,903 shares
    Change vs previous 13F -12,119 shares

    0.36% of the 13F portfolio, value $9,980,262.

    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 96,022 shares
    Change vs previous 13F +81,645 shares

    0.55% of the 13F portfolio, value $11,332,516.

    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 14,377 shares
    Change vs previous 13F -563 shares

    0.11% of the 13F portfolio, value $2,551,055.

    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 14,940 shares
    Change vs previous 13F +2,276 shares

    0.11% of the 13F portfolio, value $2,569,531.

    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 12,664 shares
    Change vs previous 13F -2,108 shares

    0.08% of the 13F portfolio, value $1,949,749.

    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 14,772 shares
    Change vs previous 13F -30,958 shares

    0.08% of the 13F portfolio, value $1,546,333.

    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 45,730 shares
    Change vs previous 13F -26,698 shares

    0.17% of the 13F portfolio, value $4,123,474.

    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 72,428 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $5,377,055.

    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).