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Clark Capital Management Group, Inc.: ATO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Clark Capital Management Group, Inc. on ATO, newest first. How the timeline and the estimate are built.

Clark Capital Management Group, Inc. held 435,310 ATO shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 435,310 shares
    Change vs previous 13F +2,833 shares

    0.41% of the 13F portfolio, value $74,990,932.

    13F-HR 0001398344-26-014041 filed by Clark Capital Management Group, Inc.
    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 432,477 shares
    Change vs previous 13F +63,241 shares

    0.49% of the 13F portfolio, value $79,887,236.

    13F-HR 0001398344-26-009246 filed by Clark Capital Management Group, Inc.
    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 369,236 shares
    Change vs previous 13F +45,194 shares

    0.38% of the 13F portfolio, value $61,895,092.

    13F-HR 0001398344-26-003209 filed by Clark Capital Management Group, Inc.
    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 324,042 shares
    Change vs previous 13F +6,182 shares

    0.35% of the 13F portfolio, value $55,330,115.

    13F-HR 0001398344-25-020886 filed by Clark Capital Management Group, Inc.
    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 317,860 shares
    Change vs previous 13F +12,091 shares

    0.34% of the 13F portfolio, value $48,985,366.

    13F-HR 0001398344-25-015403 filed by Clark Capital Management Group, Inc.
    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 305,769 shares
    Change vs previous 13F +294,900 shares

    0.34% of the 13F portfolio, value $47,265,703.

    13F-HR 0001398344-25-009622 filed by Clark Capital Management Group, Inc.
    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 10,869 shares
    Change vs previous 13F +803 shares

    0.01% of the 13F portfolio, value $1,513,725.

    13F-HR 0001398344-25-002780 filed by Clark Capital Management Group, Inc.
    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 10,066 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,396,255.

    13F-HR 0001398344-24-020717 filed by Clark Capital Management Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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