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MARTINGALE ASSET MANAGEMENT L P: TNK position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 66,271 TNK 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 66,271 shares
    Change vs previous 13F +1,904 shares

    0.1% of the 13F portfolio, value $4,299,000.

    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 64,367 shares
    Change vs previous 13F +5,772 shares

    0.12% of the 13F portfolio, value $4,719,389.

    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 58,595 shares
    Change vs previous 13F -5,902 shares

    0.08% of the 13F portfolio, value $3,130,146.

    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 64,497 shares
    Change vs previous 13F -640 shares

    0.08% of the 13F portfolio, value $3,260,324.

    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 65,137 shares
    Change vs previous 13F +348 shares

    0.07% of the 13F portfolio, value $2,717,517.

    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 64,789 shares
    Change vs previous 13F +248 shares

    0.06% of the 13F portfolio, value $2,479,476.

    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 64,541 shares
    Change vs previous 13F +7,616 shares

    0.06% of the 13F portfolio, value $2,568,088.

    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 56,925 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $3,315,882.

    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).