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Disclosery

Aureus Asset Management, LLC: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Aureus Asset Management, LLC on AMAT, newest first. How the timeline and the estimate are built.

Aureus Asset Management, LLC held 104,403 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 104,403 shares
    Change vs previous 13F -65,022 shares

    4.59% of the 13F portfolio, value $75,483,760.

    13F-HR 0001398344-26-014481 filed by Aureus Asset Management, 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 169,425 shares
    Change vs previous 13F -8,851 shares

    3.86% of the 13F portfolio, value $57,907,684.

    13F-HR 0001381296-26-000002 filed by Aureus Asset Management, 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 178,276 shares
    Change vs previous 13F +1,121 shares

    2.92% of the 13F portfolio, value $45,815,076.

    13F-HR 0001381296-26-000001 filed by Aureus Asset Management, 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 177,155 shares
    Change vs previous 13F +18,867 shares

    2.36% of the 13F portfolio, value $36,270,733.

    13F-HR 0001381296-25-000005 filed by Aureus Asset Management, 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 158,288 shares
    Change vs previous 13F +124,132 shares

    1.85% of the 13F portfolio, value $28,977,771.

    13F-HR 0001381296-25-000003 filed by Aureus Asset Management, 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 34,156 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $4,956,719.

    13F-HR 0001381296-25-000002 filed by Aureus Asset Management, LLC
    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 34,156 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $5,554,790.

    13F-HR 0001381296-25-000001 filed by Aureus Asset Management, LLC
    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 34,156 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $6,901,220.

    13F-HR 0001381296-24-000004 filed by Aureus Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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