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Disclosery

Boston Trust Walden Corp: AMG position timeline

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

Boston Trust Walden Corp held 1,001,967 AMG 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 1,001,967 shares
    Change vs previous 13F +30,720 shares

    0.3% of the 13F portfolio, value $339,149,256.

    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 971,247 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $268,714,497.

    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).