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Disclosery

HEARTLAND ADVISORS INC: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HEARTLAND ADVISORS INC on AMAT, newest first. How the timeline and the estimate are built.

HEARTLAND ADVISORS INC held 1,559 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,559 shares
    Change vs previous 13F -6,244 shares

    0.05% of the 13F portfolio, value $1,127,157.

    13F-HR 0000892712-26-000340 filed by HEARTLAND ADVISORS INC
    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 7,803 shares
    Change vs previous 13F +23 shares

    0.14% of the 13F portfolio, value $2,666,987.

    13F-HR 0000892712-26-000226 filed by HEARTLAND ADVISORS INC
    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 7,780 shares
    Change vs previous 13F -139 shares

    0.11% of the 13F portfolio, value $1,999,382.

    13F-HR 0000892712-26-000080 filed by HEARTLAND ADVISORS INC
    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 7,919 shares
    Change vs previous 13F +1,673 shares

    0.09% of the 13F portfolio, value $1,621,336.

    13F-HR 0000892712-25-000143 filed by HEARTLAND ADVISORS INC
    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 6,246 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $1,143,455.

    13F-HR 0000892712-25-000090 filed by HEARTLAND ADVISORS INC
    Filed (acceptance time not in the bulk data set), ingested

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