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Disclosery

ARK Investment Management LLC: ATI position timeline

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

ARK Investment Management LLC held 487 ATI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 487 shares
    Change vs previous 13F -192 shares

    <0.01% of the 13F portfolio, value $95,988.

    13F-HR 0001104659-26-096910 filed by ARK Investment Management 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 679 shares
    Change vs previous 13F -210 shares

    <0.01% of the 13F portfolio, value $98,767.

    13F-HR 0001104659-26-059240 filed by ARK Investment Management 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 889 shares
    Change vs previous 13F +147 shares

    <0.01% of the 13F portfolio, value $102,022.

    13F-HR 0001104659-26-013538 filed by ARK Investment Management 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 742 shares
    Change vs previous 13F +587 shares

    <0.01% of the 13F portfolio, value $60,354.

    13F-HR 0001104659-25-110217 filed by ARK Investment Management 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 155 shares
    Change vs previous 13F -1,390 shares

    <0.01% of the 13F portfolio, value $13,383.

    13F-HR 0001104659-25-072098 filed by ARK Investment Management 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 1,545 shares
    Change vs previous 13F +120 shares

    <0.01% of the 13F portfolio, value $80,386.

    13F-HR 0001104659-25-045396 filed by ARK Investment Management 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 1,425 shares
    Change vs previous 13F -247 shares

    <0.01% of the 13F portfolio, value $78,432.

    13F-HR 0001104659-25-009155 filed by ARK Investment Management 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 1,672 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $111,874.

    13F-HR 0001104659-24-113006 filed by ARK Investment Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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