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Bain Capital Life Sciences Investors, LLC: KMTS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Bain Capital Life Sciences Investors, LLC on KMTS, newest first. How the timeline and the estimate are built.

Bain Capital Life Sciences Investors, LLC held 25,172,338 KMTS 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 25,172,338 shares
    Change vs previous 13F 0 shares

    13.3% of the 13F portfolio, value $640,384,279.

    13F-HR 0001193125-26-350508 filed by Bain Capital Investors 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 25,172,338 shares
    Change vs previous 13F 0 shares

    15.35% of the 13F portfolio, value $501,684,696.

    13F-HR 0001193125-26-225264 filed by Bain Capital Investors 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 25,172,338 shares
    Change vs previous 13F -1,846,887 shares

    14.44% of the 13F portfolio, value $667,570,404.

    13F-HR 0001193125-26-052994 filed by Bain Capital Investors 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 27,019,225 shares
    Change vs previous 13F 0 shares

    19.15% of the 13F portfolio, value $641,976,786.

    13F-HR 0001193125-25-281492 filed by Bain Capital Investors 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 27,019,225 shares
    Change vs previous 13F 0 shares

    14.28% of the 13F portfolio, value $447,978,751.

    13F-HR 0000950123-25-008034 filed by Bain Capital Investors 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 27,019,225 shares
    Change vs previous 13F not available

    17.34% of the 13F portfolio, value $673,319,087.

    13F-HR 0000950123-25-005478 filed by Bain Capital Investors LLC
    Filed (acceptance time not in the bulk data set), ingested

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