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Portolan Capital Management, LLC: NTRA position timeline

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

Portolan Capital Management, LLC held 8,532 NTRA 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 8,532 shares
    Change vs previous 13F -2,886 shares

    0.09% of the 13F portfolio, value $2,316,011.

    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 11,418 shares
    Change vs previous 13F -4,170 shares

    0.12% of the 13F portfolio, value $2,283,486.

    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 15,588 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $3,571,055.

    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 15,588 shares
    Change vs previous 13F -4,971 shares

    0.14% of the 13F portfolio, value $2,509,200.

    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 20,559 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $3,473,237.

    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 20,559 shares
    Change vs previous 13F -18,035 shares

    0.22% of the 13F portfolio, value $2,907,248.

    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 38,594 shares
    Change vs previous 13F -45,086 shares

    0.41% of the 13F portfolio, value $6,109,430.

    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 83,680 shares
    Change vs previous 13F not available

    0.77% of the 13F portfolio, value $10,623,176.

    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).