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MARTINGALE ASSET MANAGEMENT L P: AEP position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 155,495 AEP shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 155,495 shares
    Change vs previous 13F -3,150 shares

    0.5% of the 13F portfolio, value $21,273,271.

    13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
    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 158,645 shares
    Change vs previous 13F -6,157 shares

    0.52% of the 13F portfolio, value $20,795,187.

    13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    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 164,802 shares
    Change vs previous 13F -4,723 shares

    0.48% of the 13F portfolio, value $19,003,319.

    13F-HR 0000936944-26-000002 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 169,525 shares
    Change vs previous 13F -14,429 shares

    0.48% of the 13F portfolio, value $19,071,563.

    13F-HR 0000936944-25-000010 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 183,954 shares
    Change vs previous 13F -1,256 shares

    0.47% of the 13F portfolio, value $19,087,068.

    13F-HR 0000936944-25-000008 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 185,210 shares
    Change vs previous 13F -7,325 shares

    0.52% of the 13F portfolio, value $20,237,897.

    13F-HR 0000936944-25-000005 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 192,535 shares
    Change vs previous 13F +79,715 shares

    0.43% of the 13F portfolio, value $17,757,504.

    13F-HR 0000936944-25-000003 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 112,820 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $11,575,332.

    13F-HR 0000936944-24-000007 filed by MARTINGALE ASSET MANAGEMENT L P
    Filed (acceptance time not in the bulk data set), ingested

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