MIDDLETON & CO INC/MA: AMT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MIDDLETON & CO INC/MA on AMT, newest first. How the timeline and the estimate are built.
MIDDLETON & CO INC/MA held 48,365 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-10.
the latest 13F is the newest step
- period ended2026-06-3013F 48,365 sharesChange vs previous 13F -2,748 shares
0.84% of the 13F portfolio, value $7,911,063.
13F-HR 0001398344-26-013855 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 51,113 sharesChange vs previous 13F -259 shares
1.01% of the 13F portfolio, value $8,821,082.
13F-HR 0001398344-26-008750 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 51,372 sharesChange vs previous 13F -2,946 shares
0.96% of the 13F portfolio, value $9,019,382.
13F-HR 0001398344-26-001587 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 54,318 sharesChange vs previous 13F -1,654 shares
1.13% of the 13F portfolio, value $10,446,438.
13F-HR 0001398344-25-019980 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 55,972 sharesChange vs previous 13F -1,700 shares
1.39% of the 13F portfolio, value $12,370,931.
13F-HR 0001398344-25-014576 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 57,672 sharesChange vs previous 13F -739 shares
1.47% of the 13F portfolio, value $12,549,427.
13F-HR 0001398344-25-009075 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 58,411 sharesChange vs previous 13F -1,619 shares
1.18% of the 13F portfolio, value $10,713,162.
13F-HR 0001398344-25-002001 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 60,030 sharesChange vs previous 13F not available
1.54% of the 13F portfolio, value $13,960,577.
13F-HR 0000919497-24-000010 filed by MIDDLETON & CO INC/MA
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).