Mawer Investment Management Ltd.: BRK-A position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mawer Investment Management Ltd. on BRK-A, newest first. How the timeline and the estimate are built.
Mawer Investment Management Ltd. held 415 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-08-07.
the latest 13F is the newest step
- period ended2026-06-3013F 415 sharesChange vs previous 13F -94 shares
2.11% of the 13F portfolio, value $310,772,750.
13F-HR 0000945621-26-000992 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 509 sharesChange vs previous 13F -78 shares
2.37% of the 13F portfolio, value $365,533,260.
13F-HR 0000945621-26-000636 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 587 sharesChange vs previous 13F -124 shares
2.48% of the 13F portfolio, value $443,067,600.
13F-HR 0000945621-26-000248 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 711 sharesChange vs previous 13F -100 shares
2.78% of the 13F portfolio, value $536,236,200.
13F-HR 0000945621-25-001010 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 811 sharesChange vs previous 13F +127 shares
3% of the 13F portfolio, value $591,056,800.
13F-HR 0000945621-25-000670 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 684 sharesChange vs previous 13F not available
2.64% of the 13F portfolio, value $546,134,054.
13F-HR 0000945621-25-000421 filed by Mawer Investment Management Ltd.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).