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RUSH ISLAND MANAGEMENT, LP: HR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RUSH ISLAND MANAGEMENT, LP on HR, newest first. How the timeline and the estimate are built.

RUSH ISLAND MANAGEMENT, LP held 5,213,764 HR 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 5,213,764 shares
    Change vs previous 13F -2,011,598 shares

    6.97% of the 13F portfolio, value $105,161,620.

    13F-HR 0001214659-26-010384 filed by RUSH ISLAND MANAGEMENT, LP
    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 7,225,362 shares
    Change vs previous 13F -1,782,540 shares

    8.24% of the 13F portfolio, value $122,758,900.

    13F-HR 0001214659-26-006469 filed by RUSH ISLAND MANAGEMENT, LP
    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 9,007,902 shares
    Change vs previous 13F +1,204,551 shares

    9.54% of the 13F portfolio, value $152,683,939.

    13F-HR 0001214659-26-001981 filed by RUSH ISLAND MANAGEMENT, LP
    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 7,803,351 shares
    Change vs previous 13F -6,456,801 shares

    9.64% of the 13F portfolio, value $140,694,419.

    13F-HR 0001214659-25-016635 filed by RUSH ISLAND MANAGEMENT, LP
    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 14,260,152 shares
    Change vs previous 13F +1,728,491 shares

    14.73% of the 13F portfolio, value $226,166,011.

    13F-HR 0001214659-25-012229 filed by RUSH ISLAND MANAGEMENT, LP
    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 12,531,661 shares
    Change vs previous 13F -3,149,779 shares

    13.49% of the 13F portfolio, value $211,785,071.

    13F-HR 0001214659-25-007835 filed by RUSH ISLAND MANAGEMENT, LP
    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 15,681,440 shares
    Change vs previous 13F +2,747,848 shares

    17.67% of the 13F portfolio, value $265,800,408.

    13F-HR 0001214659-25-002846 filed by RUSH ISLAND MANAGEMENT, LP
    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 12,933,592 shares
    Change vs previous 13F not available

    18.14% of the 13F portfolio, value $234,744,695.

    13F-HR 0001214659-24-019143 filed by RUSH ISLAND MANAGEMENT, LP
    Filed (acceptance time not in the bulk data set), ingested

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