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MARTINGALE ASSET MANAGEMENT L P: GPOR position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 21,111 GPOR 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 21,111 shares
    Change vs previous 13F +14,806 shares

    0.08% of the 13F portfolio, value $3,582,537.

    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 6,305 shares
    Change vs previous 13F -390 shares

    0.03% of the 13F portfolio, value $1,333,949.

    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 6,695 shares
    Change vs previous 13F -80 shares

    0.04% of the 13F portfolio, value $1,392,494.

    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 6,775 shares
    Change vs previous 13F -370 shares

    0.03% of the 13F portfolio, value $1,226,140.

    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 7,145 shares
    Change vs previous 13F -4 shares

    0.04% of the 13F portfolio, value $1,437,360.

    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 7,149 shares
    Change vs previous 13F +2,480 shares

    0.03% of the 13F portfolio, value $1,316,418.

    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 4,669 shares
    Change vs previous 13F -2,798 shares

    0.02% of the 13F portfolio, value $860,030.

    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 7,467 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,130,131.

    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).