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Disclosery

Cornerstone Advisory, LLC: AMAT position timeline

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

Cornerstone Advisory, LLC held 4,577 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,577 shares
    Change vs previous 13F +98 shares

    0.27% of the 13F portfolio, value $3,309,090.

    13F-HR 0001765380-26-000238 filed by Cornerstone Advisory, 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 4,479 shares
    Change vs previous 13F -342 shares

    0.15% of the 13F portfolio, value $1,530,839.

    13F-HR 0001765380-26-000144 filed by Cornerstone Advisory, 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 4,821 shares
    Change vs previous 13F -152 shares

    0.12% of the 13F portfolio, value $1,238,920.

    13F-HR 0001765380-26-000050 filed by Cornerstone Advisory, 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 4,973 shares
    Change vs previous 13F +82 shares

    0.1% of the 13F portfolio, value $1,018,149.

    13F-HR 0001765380-25-000443 filed by Cornerstone Advisory, 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 4,891 shares
    Change vs previous 13F +53 shares

    0.1% of the 13F portfolio, value $895,375.

    13F-HR 0001765380-25-000271 filed by Cornerstone Advisory, 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 4,838 shares
    Change vs previous 13F -162 shares

    0.09% of the 13F portfolio, value $740,342.

    13F-HR 0001765380-25-000178 filed by Cornerstone Advisory, 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 5,000 shares
    Change vs previous 13F -984 shares

    0.1% of the 13F portfolio, value $846,032.

    13F-HR 0001765380-25-000128 filed by Cornerstone Advisory, 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 5,984 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $1,209,096.

    13F-HR 0001765380-24-000416 filed by Cornerstone Advisory, LLC
    Filed (acceptance time not in the bulk data set), ingested

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