ACK Asset Management LLC: MTZ position timeline

ACK Asset Management LLC held 0 MTZ shares at 2025-09-30 per its 13F-HR filed 2025-11-14.

the latest 13F is the newest step

1. period ended2025-09-30

   13F 0 shares

   Change vs previous 13F -125,000 shares

   13F-HR 0001510940-25-000006 filed by ACK Asset Management LLC
   Filed 2025-11-14 (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).

   Exited: the 13F for this period no longer lists the position.

2. period ended2025-06-30

   13F 125,000 shares

   Change vs previous 13F -337,700 shares

   2.8% of the 13F portfolio, value $21,303,750.

   13F-HR 0001510940-25-000005 filed by ACK Asset Management LLC
   Filed 2025-08-13 (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).

3. period ended2025-03-31

   13F 462,700 shares

   Change vs previous 13F -69,100 shares

   8.87% of the 13F portfolio, value $54,001,717.

   13F-HR 0001510940-25-000002 filed by ACK Asset Management LLC
   Filed 2025-05-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

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

4. period ended2024-12-31

   13F 531,800 shares

   Change vs previous 13F -240,500 shares

   9.7% of the 13F portfolio, value $72,399,252.

   13F-HR 0000899140-25-000241 filed by ACK Asset Management LLC
   Filed 2025-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

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

5. period ended2024-09-30

   13F 772,300 shares

   Change vs previous 13F not available

   11.75% of the 13F portfolio, value $95,070,130.

   13F-HR 0000899140-24-001197 filed by ACK Asset Management LLC
   Filed 2024-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

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