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DEARBORN PARTNERS LLC: ATO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DEARBORN PARTNERS LLC on ATO, newest first. How the timeline and the estimate are built.

DEARBORN PARTNERS LLC held 188,329 ATO shares at 2026-06-30 per its 13F-HR/A filed 2026-08-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 188,329 shares
    Change vs previous 13F +60 shares

    1.84% of the 13F portfolio, value $32,443,435.

    13F-HR/A 0001104659-26-097372 filed by DEARBORN PARTNERS 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 188,269 shares
    Change vs previous 13F -17,783 shares

    1.88% of the 13F portfolio, value $34,777,049.

    13F-HR 0001104659-26-059082 filed by DEARBORN PARTNERS 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 206,052 shares
    Change vs previous 13F -8,004 shares

    1.72% of the 13F portfolio, value $34,540,481.

    13F-HR 0001104659-26-013113 filed by DEARBORN PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 214,056 shares
    Change vs previous 13F -1,038 shares

    1.71% of the 13F portfolio, value $36,550,073.

    13F-HR 0001104659-25-108947 filed by DEARBORN PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 215,094 shares
    Change vs previous 13F +1,363 shares

    1.57% of the 13F portfolio, value $33,148,202.

    13F-HR 0001104659-25-078184 filed by DEARBORN PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 213,731 shares
    Change vs previous 13F -55,706 shares

    1.59% of the 13F portfolio, value $33,038,475.

    13F-HR 0001104659-25-045964 filed by DEARBORN PARTNERS LLC
    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 269,437 shares
    Change vs previous 13F -4,848 shares

    1.57% of the 13F portfolio, value $37,524,557.

    13F-HR 0001104659-25-010468 filed by DEARBORN PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 274,285 shares
    Change vs previous 13F not available

    1.54% of the 13F portfolio, value $38,046,076.

    13F-HR 0001104659-24-114608 filed by DEARBORN PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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