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Disclosery

CSS LLC/IL: RKLB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CSS LLC/IL on RKLB, newest first. How the timeline and the estimate are built.

CSS LLC/IL held 1,727 RKLB 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 1,727 shares
    Change vs previous 13F -3,200 shares

    0.01% of the 13F portfolio, value $175,550.

    13F-HR 0001103646-26-000012 filed by CSS LLC/IL
    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 4,927 shares
    Change vs previous 13F -54,200 shares

    0.02% of the 13F portfolio, value $316,412.

    13F-HR 0001103646-26-000009 filed by CSS LLC/IL
    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 59,127 shares
    Change vs previous 13F -2,700 shares

    0.23% of the 13F portfolio, value $4,124,700.

    13F-HR 0001103646-26-000003 filed by CSS LLC/IL
    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 61,827 shares
    Change vs previous 13F -200 shares

    0.18% of the 13F portfolio, value $2,962,132.

    13F-HR 0001103646-25-000009 filed by CSS LLC/IL
    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 62,027 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $2,218,706.

    13F-HR 0001085146-25-005235 filed by CSS LLC/IL
    Filed (acceptance time not in the bulk data set), ingested

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