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MARTINGALE ASSET MANAGEMENT L P: INSW position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 50,051 INSW 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 50,051 shares
    Change vs previous 13F +313 shares

    0.09% of the 13F portfolio, value $3,833,407.

    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 49,738 shares
    Change vs previous 13F +7,940 shares

    0.09% of the 13F portfolio, value $3,624,906.

    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 41,798 shares
    Change vs previous 13F +23,367 shares

    0.05% of the 13F portfolio, value $2,029,293.

    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 18,431 shares
    Change vs previous 13F -2,160 shares

    0.02% of the 13F portfolio, value $849,301.

    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 20,591 shares
    Change vs previous 13F -3,600 shares

    0.02% of the 13F portfolio, value $751,160.

    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 24,191 shares
    Change vs previous 13F -40,203 shares

    0.02% of the 13F portfolio, value $803,142.

    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 64,394 shares
    Change vs previous 13F +2,589 shares

    0.06% of the 13F portfolio, value $2,314,321.

    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 61,805 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $3,186,667.

    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).