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Octahedron Capital Management L.P.: ONTO position timeline

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

Octahedron Capital Management L.P. held 13,300 ONTO 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 13,300 shares
    Change vs previous 13F +2,800 shares

    2.58% of the 13F portfolio, value $5,033,385.

    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 10,500 shares
    Change vs previous 13F +10,500 shares

    1.57% of the 13F portfolio, value $2,153,235.

    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 0 shares
    Change vs previous 13F -15,000 shares

    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).

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

  4. period ended2025-09-30
    13F 15,000 shares
    Change vs previous 13F not available

    1.1% of the 13F portfolio, value $1,938,300.

    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).