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Disclosery

Mariner, LLC: ATI position timeline

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

Mariner, LLC held 84,816 ATI shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 84,816 shares
    Change vs previous 13F +12,329 shares

    0.02% of the 13F portfolio, value $16,717,496.

    13F-HR 0001580642-26-005266 filed by Mariner, 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 72,487 shares
    Change vs previous 13F +18,396 shares

    0.01% of the 13F portfolio, value $10,541,872.

    13F-HR 0001580642-26-003158 filed by Mariner, 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 54,091 shares
    Change vs previous 13F +47,549 shares

    0.01% of the 13F portfolio, value $6,212,402.

    13F-HR 0001580642-26-001057 filed by Mariner, 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 6,542 shares
    Change vs previous 13F -4,149 shares

    <0.01% of the 13F portfolio, value $532,143.

    13F-HR 0001580642-25-007297 filed by Mariner, 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 10,691 shares
    Change vs previous 13F -3,596 shares

    <0.01% of the 13F portfolio, value $923,062.

    13F-HR 0001580642-25-005128 filed by Mariner, 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 14,287 shares
    Change vs previous 13F -5,142 shares

    <0.01% of the 13F portfolio, value $743,353.

    13F-HR 0001580642-25-003135 filed by Mariner, 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 19,429 shares
    Change vs previous 13F -110 shares

    <0.01% of the 13F portfolio, value $1,069,368.

    13F-HR 0001580642-25-000997 filed by Mariner, 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 19,539 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,307,022.

    13F-HR 0001580642-24-006919 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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