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Disclosery

Boston Trust Walden Corp: ARCO position timeline

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

Boston Trust Walden Corp held 1,050,455 ARCO 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 1,050,455 shares
    Change vs previous 13F +274,271 shares

    0.01% of the 13F portfolio, value $8,466,670.

    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 776,184 shares
    Change vs previous 13F +477,922 shares

    0.01% of the 13F portfolio, value $6,403,520.

    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 298,262 shares
    Change vs previous 13F +6,764 shares

    <0.01% of the 13F portfolio, value $2,189,240.

    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 291,498 shares
    Change vs previous 13F +36,979 shares

    <0.01% of the 13F portfolio, value $1,967,610.

    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 254,519 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,008,150.

    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 254,519 shares
    Change vs previous 13F +26,232 shares

    <0.01% of the 13F portfolio, value $2,051,420.

    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 228,287 shares
    Change vs previous 13F +38,293 shares

    <0.01% of the 13F portfolio, value $1,661,930.

    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 189,994 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,656,750.

    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).