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Disclosery

MARTINGALE ASSET MANAGEMENT L P: PTEN position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 125,790 PTEN 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 125,790 shares
    Change vs previous 13F +18,133 shares

    0.03% of the 13F portfolio, value $1,154,753.

    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 107,657 shares
    Change vs previous 13F -2,265 shares

    0.03% of the 13F portfolio, value $1,165,926.

    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 109,922 shares
    Change vs previous 13F +17,185 shares

    0.02% of the 13F portfolio, value $671,624.

    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 92,737 shares
    Change vs previous 13F -31,467 shares

    0.01% of the 13F portfolio, value $480,378.

    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 124,204 shares
    Change vs previous 13F +62,318 shares

    0.02% of the 13F portfolio, value $736,530.

    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 61,886 shares
    Change vs previous 13F +47,146 shares

    0.01% of the 13F portfolio, value $508,703.

    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 14,740 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $121,753.

    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).