Burgundy Asset Management Ltd.: STN position timeline

Burgundy Asset Management Ltd. held 858,122 STN shares at 2025-09-30 per its 13F-HR filed 2025-11-12.

the latest 13F is the newest step

1. period ended2025-09-30

   13F 858,122 shares

   Change vs previous 13F -2,615 shares

   0.88% of the 13F portfolio, value $93,218,699.

   13F-HR 0001193125-25-277473 filed by Burgundy Asset Management Ltd.
   Filed 2025-11-12 (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).

2. period ended2025-06-30

   13F 860,737 shares

   Change vs previous 13F -115,601 shares

   0.91% of the 13F portfolio, value $93,480,898.

   13F-HR 0000950123-25-007831 filed by Burgundy Asset Management Ltd.
   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 976,338 shares

   Change vs previous 13F -37,783 shares

   0.84% of the 13F portfolio, value $81,007,904.

   13F-HR 0000950123-25-004910 filed by Burgundy Asset Management Ltd.
   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 1,014,121 shares

   Change vs previous 13F -5,341 shares

   0.8% of the 13F portfolio, value $79,486,646.

   13F-HR 0000950123-25-002842 filed by Burgundy Asset Management Ltd.
   Filed 2025-02-18 (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 1,019,462 shares

   Change vs previous 13F not available

   0.81% of the 13F portfolio, value $81,991,093.

   13F-HR 0000950123-24-010976 filed by Burgundy Asset Management Ltd.
   Filed 2024-11-12 (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).