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OPPENHEIMER ASSET MANAGEMENT INC.: AMT position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 171,486 AMT 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 171,486 shares
    Change vs previous 13F -4,275 shares

    0.15% of the 13F portfolio, value $28,049,966.

    13F-HR 0001085146-26-000553 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 38,376 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 133,110 shares

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

  2. period ended2026-03-31
    13F 175,761 shares
    Change vs previous 13F +14,917 shares

    0.18% of the 13F portfolio, value $30,332,833.

    13F-HR 0001085146-26-000369 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 36,874 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 138,887 shares

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

  3. period ended2025-12-31
    13F 160,844 shares
    Change vs previous 13F +1,000 shares

    0.19% of the 13F portfolio, value $28,239,381.

    13F-HR 0001085146-26-000133 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 39,203 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 121,641 shares

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

  4. period ended2025-09-30
    13F 159,844 shares
    Change vs previous 13F -6,420 shares

    0.18% of the 13F portfolio, value $30,741,197.

    13F-HR 0001085146-25-005973 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 39,830 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 120,014 shares

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

  5. period ended2025-06-30
    13F 166,264 shares
    Change vs previous 13F -16,296 shares

    0.23% of the 13F portfolio, value $36,747,670.

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

    • OPPENHEIMER & CO INC: 42,409 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 123,855 shares

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

  6. period ended2025-03-31
    13F 182,560 shares
    Change vs previous 13F +21,363 shares

    0.27% of the 13F portfolio, value $39,725,055.

    13F-HR 0001085146-25-002235 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 51,075 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 131,485 shares

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

  7. period ended2024-12-31
    13F 161,197 shares
    Change vs previous 13F -13,783 shares

    0.2% of the 13F portfolio, value $29,565,142.

    13F-HR 0001085146-25-000777 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 47,024 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 114,173 shares

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

  8. period ended2024-09-30
    13F 174,980 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $40,693,348.

    13F-HR 0001085146-24-005361 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 47,754 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 127,226 shares

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