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Portolan Capital Management, LLC: SLM position timeline

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

Portolan Capital Management, LLC held 0 SLM shares at 2025-09-30 per its 13F-HR filed 2025-11-13.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -710,291 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 710,291 shares
    Change vs previous 13F -801,983 shares

    1.46% of the 13F portfolio, value $23,290,442.

    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).

  3. period ended2025-03-31
    13F 1,512,274 shares
    Change vs previous 13F +611,755 shares

    3.38% of the 13F portfolio, value $44,415,487.

    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).

  4. period ended2024-12-31
    13F 900,519 shares
    Change vs previous 13F +506,082 shares

    1.67% of the 13F portfolio, value $24,836,314.

    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).

  5. period ended2024-09-30
    13F 394,437 shares
    Change vs previous 13F not available

    0.65% of the 13F portfolio, value $9,020,774.

    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).