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Disclosery

683 Capital Management, LLC: MGTX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 683 Capital Management, LLC on MGTX, newest first. How the timeline and the estimate are built.

683 Capital Management, LLC held 2,300,000 MGTX 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 2,300,000 shares
    Change vs previous 13F -150,000 shares

    2.86% of the 13F portfolio, value $31,073,000.

    13F-HR 0001404574-26-000023 filed by 683 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 2,450,000 shares
    Change vs previous 13F -109,082 shares

    1.97% of the 13F portfolio, value $21,217,000.

    13F-HR 0001404574-26-000018 filed by 683 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 2,559,082 shares
    Change vs previous 13F -65,918 shares

    1.69% of the 13F portfolio, value $20,344,701.

    13F-HR 0001404574-26-000003 filed by 683 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 2,625,000 shares
    Change vs previous 13F -65,000 shares

    1.96% of the 13F portfolio, value $21,603,749.

    13F-HR 0001404574-25-000002 filed by 683 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 2,690,000 shares
    Change vs previous 13F +115,000 shares

    1.78% of the 13F portfolio, value $17,538,800.

    13F-HR 0001085146-25-005065 filed by 683 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 2,575,000 shares
    Change vs previous 13F +160,000 shares

    1.77% of the 13F portfolio, value $17,458,499.

    13F-HR 0001085146-25-003184 filed by 683 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 2,415,000 shares
    Change vs previous 13F -135,000 shares

    1.45% of the 13F portfolio, value $14,707,349.

    13F-HR 0001085146-25-001511 filed by 683 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 2,550,000 shares
    Change vs previous 13F not available

    1.08% of the 13F portfolio, value $10,633,501.

    13F-HR 0001085146-24-005894 filed by 683 Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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