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MARTINGALE ASSET MANAGEMENT L P: COP position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 53,357 COP 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 53,357 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $5,546,994.

    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 53,357 shares
    Change vs previous 13F -86,295 shares

    0.18% of the 13F portfolio, value $7,043,124.

    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 139,652 shares
    Change vs previous 13F -3,243 shares

    0.33% of the 13F portfolio, value $13,072,824.

    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 142,895 shares
    Change vs previous 13F -41,721 shares

    0.34% of the 13F portfolio, value $13,516,439.

    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 184,616 shares
    Change vs previous 13F -3,185 shares

    0.41% of the 13F portfolio, value $16,567,440.

    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 187,801 shares
    Change vs previous 13F +159,749 shares

    0.5% of the 13F portfolio, value $19,722,862.

    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 28,052 shares
    Change vs previous 13F +20,216 shares

    0.07% of the 13F portfolio, value $2,781,917.

    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 7,836 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $824,975.

    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).