MARTINGALE ASSET MANAGEMENT L P: ATKR position timeline

MARTINGALE ASSET MANAGEMENT L P held 70,155 ATKR 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 70,155 shares

   Change vs previous 13F +417 shares

   0.13% of the 13F portfolio, value $5,334,587.

   13F-HR 0000936944-26-000006 filed by MARTINGALE ASSET MANAGEMENT L P
   Filed 2026-08-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

   Acceptance time not in the bulk data set (spec §4.2).

2. period ended2026-03-31

   13F 69,738 shares

   Change vs previous 13F +47,992 shares

   0.1% of the 13F portfolio, value $4,108,266.

   13F-HR 0000936944-26-000003 filed by MARTINGALE ASSET MANAGEMENT L P
   Filed 2026-05-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

   Acceptance time not in the bulk data set (spec §4.2).

3. period ended2025-12-31

   13F 21,746 shares

   Change vs previous 13F +1,825 shares

   0.03% of the 13F portfolio, value $1,375,435.

   13F-HR 0000936944-26-000002 filed by MARTINGALE ASSET MANAGEMENT L P
   Filed 2026-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

   Acceptance time not in the bulk data set (spec §4.2).

4. period ended2025-09-30

   13F 19,921 shares

   Change vs previous 13F +6,403 shares

   0.03% of the 13F portfolio, value $1,249,844.

   13F-HR 0000936944-25-000010 filed by MARTINGALE ASSET MANAGEMENT L P
   Filed 2025-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2025-06-30

   13F 13,518 shares

   Change vs previous 13F not available

   0.02% of the 13F portfolio, value $953,695.

   13F-HR 0000936944-25-000008 filed by MARTINGALE ASSET MANAGEMENT L P
   Filed 2025-08-11 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

   Acceptance time not in the bulk data set (spec §4.2).