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Portolan Capital Management, LLC: GENI position timeline

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

Portolan Capital Management, LLC held 7,025,809 GENI 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 7,025,809 shares
    Change vs previous 13F +4,234,791 shares

    1.59% of the 13F portfolio, value $42,576,403.

    13F-HR 0001104659-26-096980 filed by Portolan Capital 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 2,791,018 shares
    Change vs previous 13F -147,101 shares

    0.66% of the 13F portfolio, value $12,364,210.

    13F-HR 0001104659-26-062488 filed by Portolan Capital 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 2,938,119 shares
    Change vs previous 13F -674,692 shares

    1.73% of the 13F portfolio, value $32,378,071.

    13F-HR 0001104659-26-016304 filed by Portolan Capital 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 3,612,811 shares
    Change vs previous 13F -473,553 shares

    2.42% of the 13F portfolio, value $44,726,600.

    13F-HR 0001104659-25-111284 filed by Portolan Capital 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 4,086,364 shares
    Change vs previous 13F -194,891 shares

    2.66% of the 13F portfolio, value $42,498,186.

    13F-HR 0001104659-25-077571 filed by Portolan Capital 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 4,281,255 shares
    Change vs previous 13F +1,211,697 shares

    3.26% of the 13F portfolio, value $42,855,363.

    13F-HR 0001104659-25-049320 filed by Portolan Capital 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 3,069,558 shares
    Change vs previous 13F -101,333 shares

    1.79% of the 13F portfolio, value $26,551,677.

    13F-HR 0001104659-25-012988 filed by Portolan Capital 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 3,170,891 shares
    Change vs previous 13F not available

    1.8% of the 13F portfolio, value $24,859,785.

    13F-HR 0001104659-24-118686 filed by Portolan Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).