Skip to content
Disclosery

Boston Trust Walden Corp: ATMU position timeline

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

Boston Trust Walden Corp held 1,204,452 ATMU shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,204,452 shares
    Change vs previous 13F +453,873 shares

    0.05% of the 13F portfolio, value $61,473,871.

    13F-HR 0001534866-26-000005 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 494,688 shares
    • Boston Trust Walden Corp: 709,764 shares

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

  2. period ended2026-03-31
    13F 750,579 shares
    Change vs previous 13F -102,898 shares

    0.35% of the 13F portfolio, value $42,610,370.

    13F-HR 0001534866-26-000004 filed by Boston Trust Walden Corp
    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 853,477 shares
    Change vs previous 13F +267,077 shares

    0.33% of the 13F portfolio, value $44,303,991.

    13F-HR 0001534866-26-000002 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 0 shares
    • Boston Trust Walden Corp: 853,477 shares

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

  4. period ended2025-09-30
    13F 586,400 shares
    Change vs previous 13F -116,670 shares

    0.03% of the 13F portfolio, value $26,441,863.

    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 703,070 shares
    Change vs previous 13F +31 shares

    0.03% of the 13F portfolio, value $25,770,779.

    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 703,039 shares
    Change vs previous 13F -42,196 shares

    0.03% of the 13F portfolio, value $25,460,200.

    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 745,235 shares
    Change vs previous 13F +11,819 shares

    0.04% of the 13F portfolio, value $29,572,195.

    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 733,416 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $27,711,835.

    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).