Skip to content
Disclosery

MPM BIOIMPACT LLC: CGEM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MPM BIOIMPACT LLC on CGEM, newest first. How the timeline and the estimate are built.

MPM BIOIMPACT LLC held 9,731,341 CGEM 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 9,731,341 shares
    Change vs previous 13F +2,083,073 shares

    10.81% of the 13F portfolio, value $177,207,720.

    13F-HR 0001193125-26-352199 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    8.39% of the 13F portfolio, value $108,681,888.

    13F-HR 0001193125-26-226995 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    9.06% of the 13F portfolio, value $79,159,574.

    13F-HR 0001193125-26-054813 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    7.42% of the 13F portfolio, value $45,354,229.

    13F-HR 0001193125-25-283112 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    9.98% of the 13F portfolio, value $57,591,458.

    13F-HR 0000950123-25-008431 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    9.95% of the 13F portfolio, value $57,897,389.

    13F-HR 0000950123-25-005756 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F 0 shares

    13.23% of the 13F portfolio, value $93,155,904.

    13F-HR 0000950123-25-002794 filed by MPM BIOIMPACT 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 7,648,268 shares
    Change vs previous 13F not available

    19.21% of the 13F portfolio, value $128,032,006.

    13F-HR 0000950123-24-011026 filed by MPM BIOIMPACT LLC
    Filed (acceptance time not in the bulk data set), ingested

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