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OPPENHEIMER ASSET MANAGEMENT INC.: MPLX position timeline

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

OPPENHEIMER ASSET MANAGEMENT INC. held 59,333 MPLX 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 59,333 shares
    Change vs previous 13F -11,688 shares

    0.02% of the 13F portfolio, value $3,342,228.

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

    • OPPENHEIMER & CO INC: 24,409 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 34,924 shares

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

  2. period ended2026-03-31
    13F 71,021 shares
    Change vs previous 13F -97,492 shares

    0.02% of the 13F portfolio, value $4,053,168.

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

    • OPPENHEIMER & CO INC: 36,259 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 34,762 shares

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

  3. period ended2025-12-31
    13F 168,513 shares
    Change vs previous 13F +108,076 shares

    0.06% of the 13F portfolio, value $8,993,539.

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

    • OPPENHEIMER & CO INC: 136,187 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 32,326 shares

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

  4. period ended2025-09-30
    13F 60,437 shares
    Change vs previous 13F +654 shares

    0.02% of the 13F portfolio, value $3,018,828.

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

    • OPPENHEIMER & CO INC: 28,375 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 32,062 shares

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

  5. period ended2025-06-30
    13F 59,783 shares
    Change vs previous 13F -1,449 shares

    0.02% of the 13F portfolio, value $3,079,422.

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

    • OPPENHEIMER & CO INC: 27,621 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 32,162 shares

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

  6. period ended2025-03-31
    13F 61,232 shares
    Change vs previous 13F -160,659 shares

    0.02% of the 13F portfolio, value $3,277,136.

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

    • OPPENHEIMER & CO INC: 27,960 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 33,272 shares

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

  7. period ended2024-12-31
    13F 221,891 shares
    Change vs previous 13F +148,535 shares

    0.07% of the 13F portfolio, value $10,619,703.

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

    • OPPENHEIMER & CO INC: 188,057 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 33,834 shares

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

  8. period ended2024-09-30
    13F 73,356 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $3,261,407.

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

    • OPPENHEIMER & CO INC: 40,185 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 33,171 shares

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