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Disclosery

Prosight Management, LP: MGTX position timeline

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

Prosight Management, LP held 90,000 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 90,000 shares
    Change vs previous 13F -2,539,971 shares

    0.21% of the 13F portfolio, value $1,215,900.

    13F-HR 0001420506-26-001799 filed by Prosight Management, LP
    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 2,629,971 shares
    Change vs previous 13F -579,817 shares

    3.73% of the 13F portfolio, value $22,775,549.

    13F-HR 0001420506-26-001036 filed by Prosight Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 3,209,788 shares
    Change vs previous 13F -879,721 shares

    5.27% of the 13F portfolio, value $25,517,815.

    13F-HR 0001420506-26-000422 filed by Prosight Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 4,089,509 shares
    Change vs previous 13F -497,914 shares

    8.08% of the 13F portfolio, value $33,656,659.

    13F-HR 0001420506-25-003233 filed by Prosight Management, LP
    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 4,587,423 shares
    Change vs previous 13F +895,877 shares

    7.29% of the 13F portfolio, value $29,909,998.

    13F-HR 0001420506-25-002021 filed by Prosight Management, LP
    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 3,691,546 shares
    Change vs previous 13F -699,291 shares

    8.22% of the 13F portfolio, value $25,028,682.

    13F-HR 0001420506-25-001167 filed by Prosight Management, LP
    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 4,390,837 shares
    Change vs previous 13F -509,733 shares

    7.49% of the 13F portfolio, value $26,740,197.

    13F-HR 0001420506-25-000459 filed by Prosight Management, LP
    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 4,900,570 shares
    Change vs previous 13F not available

    5.18% of the 13F portfolio, value $20,435,377.

    13F-HR 0001420506-24-002447 filed by Prosight Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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