Skip to content
Disclosery

MPM BIOIMPACT LLC: ARCT position timeline

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

MPM BIOIMPACT LLC held 0 ARCT shares at 2025-03-31 per its 13F-HR filed 2025-05-15.

the latest 13F is the newest step

  1. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -459,943 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2024-12-31
    13F 459,943 shares
    Change vs previous 13F +240,435 shares

    1.11% of the 13F portfolio, value $7,805,233.

    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).

  3. period ended2024-09-30
    13F 219,508 shares
    Change vs previous 13F not available

    0.76% of the 13F portfolio, value $5,094,781.

    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).