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Disclosery

Sunriver Management LLC: BOX position timeline

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

Sunriver Management LLC held 0 BOX shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -1,741,267 shares

    13F-HR 0001892688-26-000072 filed by Sunriver Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 1,741,267 shares
    Change vs previous 13F +223,439 shares

    5.46% of the 13F portfolio, value $52,081,296.

    13F-HR 0001892688-26-000031 filed by Sunriver 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 ended2025-09-30
    13F 1,517,828 shares
    Change vs previous 13F +359,329 shares

    5.32% of the 13F portfolio, value $48,980,310.

    13F-HR 0001892688-25-000189 filed by Sunriver 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 ended2025-06-30
    13F 1,158,499 shares
    Change vs previous 13F -388,363 shares

    4.24% of the 13F portfolio, value $39,585,911.

    13F-HR 0001892688-25-000146 filed by Sunriver 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 ended2025-03-31
    13F 1,546,862 shares
    Change vs previous 13F +597,410 shares

    5.89% of the 13F portfolio, value $47,736,161.

    13F-HR 0001892688-25-000113 filed by Sunriver 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 ended2024-12-31
    13F 949,452 shares
    Change vs previous 13F -622,526 shares

    3.59% of the 13F portfolio, value $30,002,683.

    13F-HR 0001892688-25-000083 filed by Sunriver 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 ended2024-09-30
    13F 1,571,978 shares
    Change vs previous 13F not available

    6.33% of the 13F portfolio, value $51,450,840.

    13F-HR 0001892688-24-000136 filed by Sunriver Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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