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OPPENHEIMER ASSET MANAGEMENT INC.: AMTM position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 167,571 AMTM 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 167,571 shares
    Change vs previous 13F -29,455 shares

    0.02% of the 13F portfolio, value $3,463,693.

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

    • OPPENHEIMER & CO INC: 142,974 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 24,597 shares

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

  2. period ended2026-03-31
    13F 197,026 shares
    Change vs previous 13F +197,026 shares

    0.03% of the 13F portfolio, value $5,138,438.

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

    • OPPENHEIMER & CO INC: 168,872 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 28,154 shares

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

  3. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -87,599 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 87,599 shares
    Change vs previous 13F +65,653 shares

    0.01% of the 13F portfolio, value $2,097,996.

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

    • OPPENHEIMER & CO INC: 75,483 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 12,116 shares

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

  5. period ended2025-06-30
    13F 21,946 shares
    Change vs previous 13F +21,946 shares

    <0.01% of the 13F portfolio, value $518,145.

    13F-HR 0001085146-25-004405 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 9,163 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 12,783 shares

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

  6. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -10,621 shares

    13F-HR 0001085146-25-002234 filed by OPPENHEIMER & CO INC
    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 ended2024-12-31
    13F 10,621 shares
    Change vs previous 13F -67,939 shares

    <0.01% of the 13F portfolio, value $223,360.

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

    • OPPENHEIMER & CO INC: 10,621 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 0 shares

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

  8. period ended2024-09-30
    13F 78,560 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,533,561.

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

    • OPPENHEIMER & CO INC: 45,633 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 32,927 shares

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