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GAMCO Investors (Gabelli): KMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on KMT, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 386,300 KMT shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 386,300 shares
    Change vs previous 13F +3,000 shares

    0.05% of the 13F portfolio, value $13,539,815.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 237,300 shares
    • GABELLI FUNDS LLC: 149,000 shares

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

  2. period ended2026-03-31
    13F 383,300 shares
    Change vs previous 13F -6,500 shares

    0.06% of the 13F portfolio, value $13,848,629.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 237,300 shares
    • GABELLI FUNDS LLC: 146,000 shares

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

  3. period ended2025-12-31
    13F 389,800 shares
    Change vs previous 13F +10,306 shares

    0.04% of the 13F portfolio, value $11,074,218.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 243,300 shares
    • GABELLI FUNDS LLC: 146,500 shares

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

  4. period ended2025-09-30
    13F 379,494 shares
    Change vs previous 13F +900 shares

    0.03% of the 13F portfolio, value $7,942,809.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 235,300 shares
    • GABELLI FUNDS LLC: 144,194 shares

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

  5. period ended2025-06-30
    13F 378,594 shares
    Change vs previous 13F +21,894 shares

    0.04% of the 13F portfolio, value $8,692,518.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 232,200 shares
    • GABELLI FUNDS LLC: 146,394 shares

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

  6. period ended2025-03-31
    13F 356,700 shares
    Change vs previous 13F -10,000 shares

    0.03% of the 13F portfolio, value $7,597,710.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 232,200 shares
    • GABELLI FUNDS LLC: 124,500 shares

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

  7. period ended2024-12-31
    13F 366,700 shares
    Change vs previous 13F -4,300 shares

    0.04% of the 13F portfolio, value $8,808,134.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 232,200 shares
    • GABELLI FUNDS LLC: 134,500 shares

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

  8. period ended2024-09-30
    13F 371,000 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $9,620,030.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 236,000 shares
    • GABELLI FUNDS LLC: 135,000 shares

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