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Disclosery

Portolan Capital Management, LLC: FOUR position timeline

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

Portolan Capital Management, LLC held 1,114,116 FOUR 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 1,114,116 shares
    Change vs previous 13F +899,832 shares

    2.03% of the 13F portfolio, value $54,190,602.

    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 214,284 shares
    Change vs previous 13F -253,779 shares

    0.5% of the 13F portfolio, value $9,370,639.

    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 468,063 shares
    Change vs previous 13F +279,302 shares

    1.58% of the 13F portfolio, value $29,473,927.

    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 188,761 shares
    Change vs previous 13F -246,414 shares

    0.79% of the 13F portfolio, value $14,610,101.

    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 435,175 shares
    Change vs previous 13F +28,676 shares

    2.7% of the 13F portfolio, value $43,130,194.

    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 406,499 shares
    Change vs previous 13F +265,528 shares

    2.52% of the 13F portfolio, value $33,215,033.

    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 140,971 shares
    Change vs previous 13F +6,359 shares

    0.98% of the 13F portfolio, value $14,629,970.

    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 134,612 shares
    Change vs previous 13F not available

    0.86% of the 13F portfolio, value $11,926,623.

    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).