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WELLINGTON MANAGEMENT GROUP LLP: MGTX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on MGTX, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 142,923 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 142,923 shares
    Change vs previous 13F +16,592 shares

    <0.01% of the 13F portfolio, value $1,930,890.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 126,331 shares
    Change vs previous 13F -4,279 shares

    <0.01% of the 13F portfolio, value $1,094,026.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 130,610 shares
    Change vs previous 13F -11,126 shares

    <0.01% of the 13F portfolio, value $1,038,349.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 141,736 shares
    Change vs previous 13F -80,685 shares

    <0.01% of the 13F portfolio, value $1,166,487.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 222,421 shares
    Change vs previous 13F +15,441 shares

    <0.01% of the 13F portfolio, value $1,450,184.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 206,980 shares
    Change vs previous 13F +55,854 shares

    <0.01% of the 13F portfolio, value $1,403,324.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 151,126 shares
    Change vs previous 13F +1,379 shares

    <0.01% of the 13F portfolio, value $920,358.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 149,747 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $624,445.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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