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Quantum Portfolio Management LLC: CLH position timeline

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

Quantum Portfolio Management LLC held 3,379 CLH 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 3,379 shares
    Change vs previous 13F -41 shares

    0.36% of the 13F portfolio, value $1,009,476.

    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 3,420 shares
    Change vs previous 13F -221 shares

    0.43% of the 13F portfolio, value $980,617.

    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 3,641 shares
    Change vs previous 13F -1,086 shares

    0.38% of the 13F portfolio, value $853,742.

    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 4,727 shares
    Change vs previous 13F +1,655 shares

    0.33% of the 13F portfolio, value $1,097,704.

    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 3,072 shares
    Change vs previous 13F +1,282 shares

    0.34% of the 13F portfolio, value $710,185.

    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 1,790 shares
    Change vs previous 13F -49 shares

    0.18% of the 13F portfolio, value $352,809.

    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 1,839 shares
    Change vs previous 13F -190 shares

    0.23% of the 13F portfolio, value $423,227.

    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 2,029 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $490,430.

    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).