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Granahan Investment Management, LLC: SPIR position timeline

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

Granahan Investment Management, LLC held 159,131 SPIR 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 159,131 shares
    Change vs previous 13F +159,131 shares

    0.11% of the 13F portfolio, value $2,959,837.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -282,333 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-06-30
    13F 282,333 shares
    Change vs previous 13F -856,842 shares

    0.14% of the 13F portfolio, value $3,359,763.

    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).

  4. period ended2025-03-31
    13F 1,139,175 shares
    Change vs previous 13F +1,013,106 shares

    0.46% of the 13F portfolio, value $9,215,926.

    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).

  5. period ended2024-12-31
    13F 126,069 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $1,773,791.

    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).