Skip to content

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

  1. period ended2026-06-30
    13F 199,201 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 272,797 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 383,801 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 539,416 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F/A 735,597 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 552,139 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 311,402 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 211,369 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).