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Chesley Taft & Associates LLC: RSP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Chesley Taft & Associates LLC on RSP, newest first. How the timeline and the estimate are built.

Chesley Taft & Associates LLC held 4,746 RSP shares at 2026-06-30 per its 13F-HR filed 2026-07-08.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,746 shares
    Change vs previous 13F -14 shares

    0.04% of the 13F portfolio, value $1,009,806.

    13F-HR 0001164632-26-000004 filed by Chesley Taft & Associates LLC
    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 4,760 shares
    Change vs previous 13F +1,613 shares

    0.04% of the 13F portfolio, value $913,539.

    13F-HR 0001164632-26-000002 filed by Chesley Taft & Associates LLC
    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 3,147 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $602,839.

    13F-HR 0001164632-26-000001 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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