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Quantum Portfolio Management LLC: APH position timeline

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

Quantum Portfolio Management LLC held 9,155 APH 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 9,155 shares
    Change vs previous 13F +67 shares

    0.58% of the 13F portfolio, value $1,614,210.

    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 9,088 shares
    Change vs previous 13F -2 shares

    0.5% of the 13F portfolio, value $1,148,269.

    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 9,090 shares
    Change vs previous 13F -6,031 shares

    0.54% of the 13F portfolio, value $1,228,423.

    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 15,121 shares
    Change vs previous 13F +5,620 shares

    0.56% of the 13F portfolio, value $1,871,224.

    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 9,501 shares
    Change vs previous 13F -1,109 shares

    0.45% of the 13F portfolio, value $938,224.

    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 10,610 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $695,910.

    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).