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OPPENHEIMER ASSET MANAGEMENT INC.: AMAT position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 71,453 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 71,453 shares
    Change vs previous 13F -38,670 shares

    0.27% of the 13F portfolio, value $51,660,519.

    13F-HR 0000822581-26-000002 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 45,900 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 25,553 shares

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

  2. period ended2026-03-31
    13F 110,123 shares
    Change vs previous 13F +110,123 shares

    0.22% of the 13F portfolio, value $37,638,941.

    13F-HR 0000822581-26-000001 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 61,907 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 48,216 shares

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

  3. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -166,176 shares

    13F-HR 0001085146-26-000134 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 0 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 0 shares

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

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

  4. period ended2025-09-30
    13F 166,176 shares
    Change vs previous 13F -3,154 shares

    0.2% of the 13F portfolio, value $34,022,875.

    13F-HR 0000822581-25-000003 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 91,720 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 74,456 shares

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

  5. period ended2025-06-30
    13F 169,330 shares
    Change vs previous 13F +1,336 shares

    0.19% of the 13F portfolio, value $30,999,243.

    13F-HR 0001085146-25-004369 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 92,152 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 77,178 shares

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

  6. period ended2025-03-31
    13F 167,994 shares
    Change vs previous 13F +37,816 shares

    0.17% of the 13F portfolio, value $24,379,289.

    13F-HR 0001085146-25-002234 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 97,520 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 70,474 shares

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

  7. period ended2024-12-31
    13F 130,178 shares
    Change vs previous 13F +22,716 shares

    0.14% of the 13F portfolio, value $21,170,848.

    13F-HR 0001085146-25-000778 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 72,592 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 57,586 shares

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

  8. period ended2024-09-30
    13F 107,462 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $21,712,696.

    13F-HR 0001085146-24-005360 filed by OPPENHEIMER & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 54,823 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 52,639 shares

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