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Octahedron Capital Management L.P.: RBRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Octahedron Capital Management L.P. on RBRK, newest first. How the timeline and the estimate are built.

Octahedron Capital Management L.P. held 203,000 RBRK 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 203,000 shares
    Change vs previous 13F +92,000 shares

    8.34% of the 13F portfolio, value $16,296,840.

    13F-HR 0001891904-26-000004 filed by Octahedron Capital Management L.P.
    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 111,000 shares
    Change vs previous 13F +55,400 shares

    3.95% of the 13F portfolio, value $5,435,670.

    13F-HR 0001891904-26-000003 filed by Octahedron Capital Management L.P.
    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 55,600 shares
    Change vs previous 13F -9,200 shares

    2.89% of the 13F portfolio, value $4,252,288.

    13F-HR 0001891904-26-000002 filed by Octahedron Capital Management L.P.
    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 64,800 shares
    Change vs previous 13F +57,300 shares

    3.03% of the 13F portfolio, value $5,329,800.

    13F-HR 0001891904-25-000011 filed by Octahedron Capital Management L.P.
    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 7,500 shares
    Change vs previous 13F -13,809 shares

    0.51% of the 13F portfolio, value $671,925.

    13F-HR 0001891904-25-000007 filed by Octahedron Capital Management L.P.
    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 21,309 shares
    Change vs previous 13F -14,151 shares

    1.16% of the 13F portfolio, value $1,299,423.

    13F-HR 0001891904-25-000004 filed by Octahedron Capital Management L.P.
    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 35,460 shares
    Change vs previous 13F -201,450 shares

    2.2% of the 13F portfolio, value $2,317,666.

    13F-HR 0001891904-25-000003 filed by Octahedron Capital Management L.P.
    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 236,910 shares
    Change vs previous 13F not available

    8.47% of the 13F portfolio, value $7,616,657.

    13F-HR 0001891904-24-000007 filed by Octahedron Capital Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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