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Boston Trust Walden Corp: AMSF position timeline

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

Boston Trust Walden Corp held 84,448 AMSF 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 84,448 shares
    Change vs previous 13F +14,011 shares

    <0.01% of the 13F portfolio, value $2,856,880.

    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 70,437 shares
    Change vs previous 13F +3,002 shares

    <0.01% of the 13F portfolio, value $2,347,660.

    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 67,435 shares
    Change vs previous 13F +7,433 shares

    <0.01% of the 13F portfolio, value $2,590,180.

    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 60,002 shares
    Change vs previous 13F +4,754 shares

    <0.01% of the 13F portfolio, value $2,630,480.

    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 55,248 shares
    Change vs previous 13F -878 shares

    <0.01% of the 13F portfolio, value $2,416,000.

    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 56,126 shares
    Change vs previous 13F +18,464 shares

    <0.01% of the 13F portfolio, value $2,949,420.

    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 37,662 shares
    Change vs previous 13F -499 shares

    <0.01% of the 13F portfolio, value $1,941,100.

    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 38,161 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,844,320.

    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).