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Disclosery

HARBOR ADVISORY CORP /MA/: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HARBOR ADVISORY CORP /MA/ on AMAT, newest first. How the timeline and the estimate are built.

HARBOR ADVISORY CORP /MA/ held 1,150 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,150 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $831,450.

    13F-HR 0001765380-26-000383 filed by HARBOR ADVISORY CORP /MA/
    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 1,150 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $393,059.

    13F-HR 0001765380-26-000184 filed by HARBOR ADVISORY CORP /MA/
    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 1,150 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $295,539.

    13F-HR 0001765380-26-000072 filed by HARBOR ADVISORY CORP /MA/
    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 1,150 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $235,451.

    13F-HR 0001765380-25-000479 filed by HARBOR ADVISORY CORP /MA/
    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 1,150 shares
    Change vs previous 13F +1,150 shares

    0.07% of the 13F portfolio, value $210,531.

    13F-HR 0001765380-25-000360 filed by HARBOR ADVISORY CORP /MA/
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -1,150 shares

    13F-HR 0001100710-25-000001 filed by HARBOR ADVISORY CORP /MA/
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-09-30
    13F 1,150 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $232,358.

    13F-HR 0001100710-24-000004 filed by HARBOR ADVISORY CORP /MA/
    Filed (acceptance time not in the bulk data set), ingested

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