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Disclosery

ARK Investment Management LLC: QSI position timeline

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

ARK Investment Management LLC held 7,167,738 QSI 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 7,167,738 shares
    Change vs previous 13F +288,839 shares

    0.04% of the 13F portfolio, value $6,343,448.

    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 6,878,899 shares
    Change vs previous 13F -142,672 shares

    0.04% of the 13F portfolio, value $5,324,268.

    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 7,021,571 shares
    Change vs previous 13F -602,471 shares

    0.05% of the 13F portfolio, value $7,723,728.

    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 7,624,042 shares
    Change vs previous 13F -336,694 shares

    0.06% of the 13F portfolio, value $10,749,899.

    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 7,960,736 shares
    Change vs previous 13F -752,765 shares

    0.11% of the 13F portfolio, value $15,603,043.

    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 8,713,501 shares
    Change vs previous 13F -135,149 shares

    0.1% of the 13F portfolio, value $10,456,201.

    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 8,848,650 shares
    Change vs previous 13F -2,993,959 shares

    0.2% of the 13F portfolio, value $23,891,355.

    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 11,842,609 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $10,447,550.

    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).