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Quantum Portfolio Management LLC: SGI position timeline

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

Quantum Portfolio Management LLC held 19,063 SGI 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 19,063 shares
    Change vs previous 13F -283 shares

    0.54% of the 13F portfolio, value $1,494,539.

    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 19,346 shares
    Change vs previous 13F +776 shares

    0.62% of the 13F portfolio, value $1,430,056.

    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 18,570 shares
    Change vs previous 13F -12,761 shares

    0.73% of the 13F portfolio, value $1,657,930.

    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 31,331 shares
    Change vs previous 13F +22,479 shares

    0.79% of the 13F portfolio, value $2,642,143.

    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 8,852 shares
    Change vs previous 13F +5 shares

    0.29% of the 13F portfolio, value $602,379.

    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 8,847 shares
    Change vs previous 13F -228 shares

    0.27% of the 13F portfolio, value $529,758.

    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 9,075 shares
    Change vs previous 13F +2,344 shares

    0.28% of the 13F portfolio, value $514,462.

    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 6,731 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $367,513.

    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).