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WELLINGTON MANAGEMENT GROUP LLP: KMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on KMT, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 621,213 KMT 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 621,213 shares
    Change vs previous 13F +66,904 shares

    <0.01% of the 13F portfolio, value $21,773,515.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 554,309 shares
    Change vs previous 13F -754,981 shares

    <0.01% of the 13F portfolio, value $20,027,184.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,309,290 shares
    Change vs previous 13F -237,084 shares

    0.01% of the 13F portfolio, value $37,196,929.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,546,374 shares
    Change vs previous 13F +265,664 shares

    0.01% of the 13F portfolio, value $32,365,608.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 1,280,710 shares
    Change vs previous 13F -1,445,135 shares

    0.01% of the 13F portfolio, value $29,405,103.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,725,845 shares
    Change vs previous 13F -2,583,303 shares

    0.01% of the 13F portfolio, value $58,060,498.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 5,309,148 shares
    Change vs previous 13F -942,484 shares

    0.02% of the 13F portfolio, value $127,525,735.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 6,251,632 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $162,104,818.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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