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Quantum Portfolio Management LLC: ACN position timeline

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

Quantum Portfolio Management LLC held 1,547 ACN 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 1,547 shares
    Change vs previous 13F +190 shares

    0.07% of the 13F portfolio, value $192,509.

    13F-HR 0001420506-26-001701 filed by Quantum Portfolio 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/A 1,357 shares
    Change vs previous 13F -24 shares

    0.12% of the 13F portfolio, value $269,080.

    13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio 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 1,381 shares
    Change vs previous 13F -299 shares

    0.16% of the 13F portfolio, value $370,522.

    13F-HR 0001172661-26-000672 filed by Quantum Portfolio 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 1,680 shares
    Change vs previous 13F +577 shares

    0.12% of the 13F portfolio, value $414,288.

    13F-HR 0001172661-25-004476 filed by Quantum Portfolio 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 1,103 shares
    Change vs previous 13F -1,319 shares

    0.16% of the 13F portfolio, value $329,676.

    13F-HR 0001172661-25-003208 filed by Quantum Portfolio 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 2,422 shares
    Change vs previous 13F not available

    0.38% of the 13F portfolio, value $755,761.

    13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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