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Portolan Capital Management, LLC: SMTC position timeline

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

Portolan Capital Management, LLC held 294,619 SMTC 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 294,619 shares
    Change vs previous 13F -37,708 shares

    1.79% of the 13F portfolio, value $47,684,085.

    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 332,327 shares
    Change vs previous 13F -176,328 shares

    1.36% of the 13F portfolio, value $25,552,623.

    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 508,655 shares
    Change vs previous 13F -160,207 shares

    2.01% of the 13F portfolio, value $37,482,787.

    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 668,862 shares
    Change vs previous 13F +289,844 shares

    2.59% of the 13F portfolio, value $47,790,190.

    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 379,018 shares
    Change vs previous 13F +309,711 shares

    1.07% of the 13F portfolio, value $17,108,873.

    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 69,307 shares
    Change vs previous 13F -597,904 shares

    0.18% of the 13F portfolio, value $2,384,161.

    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 667,211 shares
    Change vs previous 13F +573,175 shares

    2.78% of the 13F portfolio, value $41,267,000.

    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 94,036 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $4,293,684.

    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).