BOSTON PRIVATE BANK & TRUST CO: MAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BOSTON PRIVATE BANK & TRUST CO on MAT, newest first. How the timeline and the estimate are built.

BOSTON PRIVATE BANK & TRUST CO held 59,576 MAT shares at 2015-03-31 per its 13F-HR filed 2015-04-09.

the latest 13F is the newest step

period ended2015-03-31
13F 59,576 shares
Change vs previous 13F -98,104 shares
0.06% of the 13F portfolio, value $1,361,000.
13F-HR 0001172928-15-000003 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2015-04-09 (acceptance time not in the bulk data set), ingested 2026-10-07 19:16:30 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2014-12-31
13F 157,680 shares
Change vs previous 13F -62,165 shares
0.23% of the 13F portfolio, value $4,879,000.
13F-HR 0001172928-15-000001 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2015-01-12 (acceptance time not in the bulk data set), ingested 2026-10-07 19:17:13 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2014-09-30
13F 219,845 shares
Change vs previous 13F +41,597 shares
0.33% of the 13F portfolio, value $6,738,000.
13F-HR 0001172928-14-000007 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2014-10-09 (acceptance time not in the bulk data set), ingested 2026-10-07 19:26:03 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2014-06-30
13F 178,248 shares
Change vs previous 13F -30,115 shares
0.34% of the 13F portfolio, value $6,946,000.
13F-HR 0001172928-14-000006 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2014-07-15 (acceptance time not in the bulk data set), ingested 2026-10-07 19:34:04 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2014-03-31
13F 208,363 shares
Change vs previous 13F +10,755 shares
0.42% of the 13F portfolio, value $8,357,000.
13F-HR 0001172928-14-000004 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2014-04-15 (acceptance time not in the bulk data set), ingested 2026-10-07 19:42:28 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2013-12-31
13F 197,608 shares
Change vs previous 13F +9,602 shares
0.47% of the 13F portfolio, value $9,402,000.
13F-HR 0001172928-14-000002 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2014-01-14 (acceptance time not in the bulk data set), ingested 2026-10-07 19:53:46 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2013-09-30
13F 188,006 shares
Change vs previous 13F +10,515 shares
0.44% of the 13F portfolio, value $7,874,000.
13F-HR 0001172928-13-000010 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2013-10-07 (acceptance time not in the bulk data set), ingested 2026-10-07 20:02:22 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2013-06-30
13F 177,491 shares
Change vs previous 13F not available
0.47% of the 13F portfolio, value $8,042,000.
13F-HR 0001172928-13-000008 filed by BOSTON PRIVATE BANK & TRUST CO
Filed 2013-07-30 (acceptance time not in the bulk data set), ingested 2026-10-06 09:59:42 UTC
Acceptance time not in the bulk data set (spec §4.2).