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Chesley Taft & Associates LLC: IBDT position timeline

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

Chesley Taft & Associates LLC held 109,882 IBDT shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 109,882 shares
    Change vs previous 13F +8,225 shares

    0.11% of the 13F portfolio, value $2,742,655.

    13F-HR 0001164632-26-000006 filed by Chesley Taft & Associates LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 101,657 shares
    Change vs previous 13F +5,600 shares

    0.1% of the 13F portfolio, value $2,566,839.

    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).

  3. period ended2026-03-31
    13F 96,057 shares
    Change vs previous 13F +2,800 shares

    0.1% of the 13F portfolio, value $2,433,124.

    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).

  4. period ended2025-12-31
    13F 93,257 shares
    Change vs previous 13F +11,957 shares

    0.09% of the 13F portfolio, value $2,373,857.

    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).

  5. period ended2025-09-30
    13F 81,300 shares
    Change vs previous 13F +2,150 shares

    0.09% of the 13F portfolio, value $2,074,776.

    13F-HR 0001085146-25-005836 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).

  6. period ended2025-06-30
    13F 79,150 shares
    Change vs previous 13F +5,800 shares

    0.09% of the 13F portfolio, value $2,011,993.

    13F-HR 0001085146-25-003693 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).

  7. period ended2025-03-31
    13F 73,350 shares
    Change vs previous 13F +5,400 shares

    0.09% of the 13F portfolio, value $1,852,821.

    13F-HR 0001085146-25-002016 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).

  8. period ended2024-12-31
    13F 67,950 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $1,691,955.

    13F-HR 0001085146-25-000305 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).