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Disclosery

Boston Trust Walden Corp: ROCK position timeline

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

Boston Trust Walden Corp held 464,628 ROCK 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 464,628 shares
    Change vs previous 13F -221,997 shares

    0.02% of the 13F portfolio, value $20,684,101.

    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 686,625 shares
    Change vs previous 13F -237,086 shares

    0.03% of the 13F portfolio, value $27,285,322.

    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 923,711 shares
    Change vs previous 13F +897,935 shares

    0.05% of the 13F portfolio, value $45,992,889.

    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 25,776 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,619,091.

    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).