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Disclosery

GROESBECK INVESTMENT MANAGEMENT CORP /NJ/: MPLX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ on MPLX, newest first. How the timeline and the estimate are built.

GROESBECK INVESTMENT MANAGEMENT CORP /NJ/ held 910 MPLX shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 910 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $51,000.

    13F-HR 0000923116-26-000003 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    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 910 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $52,000.

    13F-HR 0000923116-26-000002 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    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 910 shares
    Change vs previous 13F +910 shares

    0.09% of the 13F portfolio, value $49,000.

    13F-HR 0000923116-26-000001 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -16,800 shares

    13F-HR 0000923116-25-000004 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    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.

  5. period ended2025-03-31
    13F 16,800 shares
    Change vs previous 13F 0 shares

    1.26% of the 13F portfolio, value $899,000.

    13F-HR 0000923116-25-000002 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    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 16,800 shares
    Change vs previous 13F not available

    1.05% of the 13F portfolio, value $804,000.

    13F-HR 0000923116-25-000001 filed by GROESBECK INVESTMENT MANAGEMENT CORP /NJ/
    Filed (acceptance time not in the bulk data set), ingested

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