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Disclosery

J. Goldman & Co LP: MGNI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of J. Goldman & Co LP on MGNI, newest first. How the timeline and the estimate are built.

J. Goldman & Co LP held 0 MGNI shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -782,837 shares

    13F-HR 0001412741-26-000002 filed by J. Goldman & Co LP
    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 ended2025-12-31
    13F 782,837 shares
    Change vs previous 13F -245,861 shares

    0.49% of the 13F portfolio, value $12,705,445.

    13F-HR 0001412741-26-000001 filed by J. Goldman & Co LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-09-30
    13F 1,028,698 shares
    Change vs previous 13F +425,015 shares

    0.85% of the 13F portfolio, value $22,405,042.

    13F-HR 0001412741-25-000008 filed by J. Goldman & Co LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-06-30
    13F 603,683 shares
    Change vs previous 13F +603,683 shares

    0.46% of the 13F portfolio, value $14,560,834.

    13F-HR 0001085146-25-005095 filed by J. Goldman & Co LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -673,729 shares

    13F-HR 0001085146-25-001524 filed by J. Goldman & Co LP
    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.

  6. period ended2024-09-30
    13F 673,729 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $9,331,147.

    13F-HR 0001085146-24-005778 filed by J. Goldman & Co LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).