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Portolan Capital Management, LLC: FN position timeline

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

Portolan Capital Management, LLC held 6,418 FN 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 6,418 shares
    Change vs previous 13F -48,345 shares

    0.14% of the 13F portfolio, value $3,607,429.

    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 54,763 shares
    Change vs previous 13F +43,885 shares

    1.52% of the 13F portfolio, value $28,560,000.

    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 10,878 shares
    Change vs previous 13F -17,892 shares

    0.27% of the 13F portfolio, value $4,952,536.

    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 28,770 shares
    Change vs previous 13F +9,354 shares

    0.57% of the 13F portfolio, value $10,490,117.

    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 19,416 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $5,721,507.

    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).