Boston Trust Walden Corp: SIMO position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on SIMO, newest first. How the timeline and the estimate are built.
Boston Trust Walden Corp held 199,201 SIMO shares at 2026-06-30 per its 13F-HR filed 2026-08-04.
the latest 13F is the newest step
- period ended2026-06-3013F 199,201 sharesChange vs previous 13F -73,596 shares
0.06% of the 13F portfolio, value $66,384,492.
13F-HR 0001386060-26-000035 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 272,797 sharesChange vs previous 13F -111,004 shares
0.03% of the 13F portfolio, value $30,633,828.
13F-HR 0001386060-26-000017 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 383,801 sharesChange vs previous 13F -155,615 shares
0.04% of the 13F portfolio, value $35,589,612.
13F-HR 0001386060-26-000014 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 539,416 sharesChange vs previous 13F -196,181 shares
0.05% of the 13F portfolio, value $51,141,364.
13F-HR 0001386060-25-000020 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F/A 735,597 sharesChange vs previous 13F +183,458 shares
0.06% of the 13F portfolio, value $55,294,392.
13F-HR/A 0001085146-25-004915 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 552,139 sharesChange vs previous 13F +240,737 shares
0.03% of the 13F portfolio, value $27,900,467.
13F-HR 0001085146-25-002987 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 311,402 sharesChange vs previous 13F +100,033 shares
0.02% of the 13F portfolio, value $16,831,213.
13F-HR 0001085146-25-000961 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 211,369 sharesChange vs previous 13F not available
0.02% of the 13F portfolio, value $12,832,830.
13F-HR 0001085146-24-005518 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).