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Disclosery

MPM BIOIMPACT LLC: STOK position timeline

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

MPM BIOIMPACT LLC held 723,314 STOK 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 723,314 shares
    Change vs previous 13F -43,724 shares

    1.44% of the 13F portfolio, value $23,666,834.

    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 767,038 shares
    Change vs previous 13F -3,251 shares

    1.93% of the 13F portfolio, value $24,974,757.

    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 770,289 shares
    Change vs previous 13F -19,409 shares

    2.8% of the 13F portfolio, value $24,448,973.

    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 789,698 shares
    Change vs previous 13F 0 shares

    3.04% of the 13F portfolio, value $18,557,903.

    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 789,698 shares
    Change vs previous 13F +95,710 shares

    1.55% of the 13F portfolio, value $8,963,072.

    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 693,988 shares
    Change vs previous 13F +8,162 shares

    0.79% of the 13F portfolio, value $4,615,020.

    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 685,826 shares
    Change vs previous 13F +206,374 shares

    1.07% of the 13F portfolio, value $7,564,661.

    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 479,452 shares
    Change vs previous 13F not available

    0.88% of the 13F portfolio, value $5,892,465.

    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).