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MARTINGALE ASSET MANAGEMENT L P: AIR position timeline

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

MARTINGALE ASSET MANAGEMENT L P held 48,955 AIR 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 48,955 shares
    Change vs previous 13F +7,678 shares

    0.17% of the 13F portfolio, value $6,997,139.

    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 41,277 shares
    Change vs previous 13F +31,541 shares

    0.11% of the 13F portfolio, value $4,518,181.

    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 9,736 shares
    Change vs previous 13F -7,883 shares

    0.02% of the 13F portfolio, value $806,044.

    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 17,619 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $1,579,896.

    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 17,619 shares
    Change vs previous 13F -1,000 shares

    0.03% of the 13F portfolio, value $1,212,012.

    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 18,619 shares
    Change vs previous 13F -2,200 shares

    0.03% of the 13F portfolio, value $1,042,478.

    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 20,819 shares
    Change vs previous 13F -3,505 shares

    0.03% of the 13F portfolio, value $1,275,789.

    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 24,324 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,589,817.

    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).