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SIRIOS CAPITAL MANAGEMENT L P: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIRIOS CAPITAL MANAGEMENT L P on AMAT, newest first. How the timeline and the estimate are built.

SIRIOS CAPITAL MANAGEMENT L P held 2,631 AMAT 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 2,631 shares
    Change vs previous 13F -6,980 shares

    0.23% of the 13F portfolio, value $1,902,213.

    13F-HR 0001104883-26-000008 filed by SIRIOS CAPITAL MANAGEMENT L P
    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 9,611 shares
    Change vs previous 13F -5,400 shares

    0.4% of the 13F portfolio, value $3,284,944.

    13F-HR 0001104883-26-000005 filed by SIRIOS CAPITAL MANAGEMENT L P
    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 15,011 shares
    Change vs previous 13F -68,053 shares

    0.48% of the 13F portfolio, value $3,857,677.

    13F-HR 0001104883-26-000003 filed by SIRIOS CAPITAL MANAGEMENT L P
    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 83,064 shares
    Change vs previous 13F not available

    2.21% of the 13F portfolio, value $17,006,523.

    13F-HR 0001104883-25-000015 filed by SIRIOS CAPITAL MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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