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Disclosery

Keystone Financial Services: AMAT position timeline

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

Keystone Financial Services held 3,957 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,957 shares
    Change vs previous 13F -731 shares

    0.74% of the 13F portfolio, value $2,861,262.

    13F-HR 0001986152-26-000106 filed by Keystone Financial Services
    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 4,688 shares
    Change vs previous 13F -189 shares

    0.47% of the 13F portfolio, value $1,602,477.

    13F-HR 0001986152-26-000061 filed by Keystone Financial Services
    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 4,877 shares
    Change vs previous 13F -294 shares

    0.38% of the 13F portfolio, value $1,253,465.

    13F-HR 0001986152-26-000029 filed by Keystone Financial Services
    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 5,171 shares
    Change vs previous 13F +312 shares

    0.33% of the 13F portfolio, value $1,058,710.

    13F-HR 0001986152-25-000108 filed by Keystone Financial Services
    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 4,859 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $889,537.

    13F-HR 0001865158-25-000004 filed by Keystone Financial Services
    Filed (acceptance time not in the bulk data set), ingested

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