MARTINGALE ASSET MANAGEMENT L P: ATRO position timeline

MARTINGALE ASSET MANAGEMENT L P held 32,534 ATRO 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 32,534 shares

   Change vs previous 13F -314 shares

   0.06% of the 13F portfolio, value $2,643,713.

   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 32,848 shares

   Change vs previous 13F -11,390 shares

   0.05% of the 13F portfolio, value $2,191,948.

   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 44,238 shares

   Change vs previous 13F +3,111 shares

   0.06% of the 13F portfolio, value $2,399,470.

   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 41,127 shares

   Change vs previous 13F +511 shares

   0.05% of the 13F portfolio, value $1,875,803.

   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 40,616 shares

   Change vs previous 13F not available

   0.03% of the 13F portfolio, value $1,359,824.

   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).