Skip to content
Disclosery

Boston Trust Walden Corp: ATEN position timeline

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

Boston Trust Walden Corp held 3,219,277 ATEN 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 3,219,277 shares
    Change vs previous 13F +230,226 shares

    0.1% of the 13F portfolio, value $120,308,739.

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

    • Boston Partners: 802,469 shares
    • Boston Trust Walden Corp: 2,416,808 shares

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

  2. period ended2026-03-31
    13F 2,989,051 shares
    Change vs previous 13F -291,738 shares

    0.06% of the 13F portfolio, value $69,242,587.

    13F-HR 0001534866-26-000004 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 815,790 shares
    • Boston Trust Walden Corp: 2,173,261 shares

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

  3. period ended2025-12-31
    13F 3,280,789 shares
    Change vs previous 13F +640,797 shares

    0.05% of the 13F portfolio, value $57,970,460.

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

    • Boston Partners: 840,140 shares
    • Boston Trust Walden Corp: 2,440,649 shares

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

  4. period ended2025-09-30
    13F 2,639,992 shares
    Change vs previous 13F +477,196 shares

    0.35% of the 13F portfolio, value $47,915,855.

    13F-HR 0001534866-25-000014 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).

  5. period ended2025-06-30
    13F 2,162,796 shares
    Change vs previous 13F +516,872 shares

    0.3% of the 13F portfolio, value $41,850,102.

    13F-HR 0001534866-25-000010 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).

  6. period ended2025-03-31
    13F 1,645,924 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $26,894,398.

    13F-HR 0001534866-25-000007 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).