Skip to content
Disclosery

Boston Trust Walden Corp: GSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on GSM, newest first. How the timeline and the estimate are built.

Boston Trust Walden Corp held 407,404 GSM 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 407,404 shares
    Change vs previous 13F +55,969 shares

    <0.01% of the 13F portfolio, value $1,295,540.

    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 351,435 shares
    Change vs previous 13F -91,007 shares

    <0.01% of the 13F portfolio, value $1,447,910.

    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 442,442 shares
    Change vs previous 13F -6,839 shares

    <0.01% of the 13F portfolio, value $2,052,930.

    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 449,281 shares
    Change vs previous 13F +33,236 shares

    <0.01% of the 13F portfolio, value $2,044,230.

    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 416,045 shares
    Change vs previous 13F -1,132,107 shares

    <0.01% of the 13F portfolio, value $1,526,890.

    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 1,548,152 shares
    Change vs previous 13F +1,333,772 shares

    0.01% of the 13F portfolio, value $5,743,390.

    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 214,380 shares
    Change vs previous 13F +14,849 shares

    <0.01% of the 13F portfolio, value $814,640.

    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 199,531 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $925,820.

    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).