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MARTINGALE ASSET MANAGEMENT L P: ZM position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 168,304 ZM 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 168,304 shares
    Change vs previous 13F -84,320 shares

    0.34% of the 13F portfolio, value $14,526,319.

    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 252,624 shares
    Change vs previous 13F -5,124 shares

    0.51% of the 13F portfolio, value $20,308,444.

    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 257,748 shares
    Change vs previous 13F -1,762 shares

    0.57% of the 13F portfolio, value $22,241,075.

    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 259,510 shares
    Change vs previous 13F -15,527 shares

    0.54% of the 13F portfolio, value $21,409,575.

    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 275,037 shares
    Change vs previous 13F -2,390 shares

    0.53% of the 13F portfolio, value $21,447,386.

    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 277,427 shares
    Change vs previous 13F -41,720 shares

    0.52% of the 13F portfolio, value $20,465,790.

    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 319,147 shares
    Change vs previous 13F +16,053 shares

    0.63% of the 13F portfolio, value $26,045,587.

    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 303,094 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $21,137,776.

    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).