CONTRAVISORY INVESTMENT MANAGEMENT, INC.: GREK position timeline

CONTRAVISORY INVESTMENT MANAGEMENT, INC. held 8,321 GREK shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

1. period ended2026-09-30

   13F 8,321 shares

   Change vs previous 13F -551 shares

   0.13% of the 13F portfolio, value $713,110.

   13F-HR 0001580642-26-006868 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
   Accepted 2026-10-13 20:49:48 UTC, ingested 2026-10-13 20:50:13 UTC

2. period ended2026-06-30

   13F 8,872 shares

   Change vs previous 13F +231 shares

   0.12% of the 13F portfolio, value $669,836.

   13F-HR 0001580642-26-004344 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
   Filed 2026-07-09 (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).

3. period ended2026-03-31

   13F 8,641 shares

   Change vs previous 13F -386 shares

   0.11% of the 13F portfolio, value $551,901.

   13F-HR 0001580642-26-002567 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
   Filed 2026-04-20 (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).

4. period ended2025-12-31

   13F 9,027 shares

   Change vs previous 13F +91 shares

   0.12% of the 13F portfolio, value $594,970.

   13F-HR 0001580642-26-000220 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
   Filed 2026-01-12 (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).

5. period ended2025-09-30

   13F 8,936 shares

   Change vs previous 13F not available

   0.11% of the 13F portfolio, value $575,478.

   13F-HR 0001580642-25-006507 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
   Filed 2025-10-09 (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).