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Frazier Life Sciences Management, L.P.: MBX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Frazier Life Sciences Management, L.P. on MBX, newest first. How the timeline and the estimate are built.

Frazier Life Sciences Management, L.P. held 6,652,013 MBX 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 6,652,013 shares
    Change vs previous 13F 0 shares

    8% of the 13F portfolio, value $367,191,118.

    13F-HR 0001892134-26-000003 filed by Frazier Life Sciences Management, L.P.
    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 6,652,013 shares
    Change vs previous 13F 0 shares

    5.11% of the 13F portfolio, value $198,562,588.

    13F-HR 0001892134-26-000002 filed by Frazier Life Sciences Management, L.P.
    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 6,652,013 shares
    Change vs previous 13F 0 shares

    5.64% of the 13F portfolio, value $209,804,490.

    13F-HR 0001892134-26-000001 filed by Frazier Life Sciences Management, L.P.
    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 6,652,013 shares
    Change vs previous 13F +666,666 shares

    3.49% of the 13F portfolio, value $116,410,228.

    13F-HR 0001892134-25-000012 filed by Frazier Life Sciences Management, L.P.
    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 5,985,347 shares
    Change vs previous 13F 0 shares

    2.73% of the 13F portfolio, value $68,292,809.

    13F-HR 0001892134-25-000006 filed by Frazier Life Sciences Management, L.P.
    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 5,985,347 shares
    Change vs previous 13F 0 shares

    2.02% of the 13F portfolio, value $44,171,861.

    13F-HR 0001892134-25-000005 filed by Frazier Life Sciences Management, L.P.
    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 5,985,347 shares
    Change vs previous 13F 0 shares

    4.58% of the 13F portfolio, value $110,309,945.

    13F-HR 0001892134-25-000001 filed by Frazier Life Sciences Management, L.P.
    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 5,985,347 shares
    Change vs previous 13F not available

    6.23% of the 13F portfolio, value $155,499,315.

    13F-HR 0001892134-24-000006 filed by Frazier Life Sciences Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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