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Quantum Portfolio Management LLC: LH position timeline

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

Quantum Portfolio Management LLC held 4,631 LH 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 4,631 shares
    Change vs previous 13F +5 shares

    0.47% of the 13F portfolio, value $1,296,680.

    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 4,626 shares
    Change vs previous 13F -79 shares

    0.54% of the 13F portfolio, value $1,234,263.

    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 4,705 shares
    Change vs previous 13F -2,620 shares

    0.52% of the 13F portfolio, value $1,180,390.

    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 7,325 shares
    Change vs previous 13F +2,576 shares

    0.62% of the 13F portfolio, value $2,102,715.

    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 4,749 shares
    Change vs previous 13F +65 shares

    0.59% of the 13F portfolio, value $1,246,660.

    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 4,684 shares
    Change vs previous 13F +130 shares

    0.55% of the 13F portfolio, value $1,090,154.

    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).

  7. period ended2024-12-31
    13F 4,554 shares
    Change vs previous 13F +372 shares

    0.56% of the 13F portfolio, value $1,044,323.

    13F-HR 0001172661-25-000338 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).

  8. period ended2024-09-30
    13F 4,182 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $934,593.

    13F-HR 0001172661-24-004357 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).