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Disclosery

Mariner, LLC: RKLB position timeline

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

Mariner, LLC held 213,052 RKLB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 213,052 shares
    Change vs previous 13F +55,377 shares

    0.02% of the 13F portfolio, value $21,655,485.

    13F-HR 0001580642-26-005266 filed by Mariner, LLC
    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 157,675 shares
    Change vs previous 13F -26,779 shares

    0.01% of the 13F portfolio, value $10,124,916.

    13F-HR 0001580642-26-003158 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 184,454 shares
    Change vs previous 13F +29,263 shares

    0.02% of the 13F portfolio, value $12,869,118.

    13F-HR 0001580642-26-001057 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 155,191 shares
    Change vs previous 13F -13,624 shares

    0.01% of the 13F portfolio, value $7,435,201.

    13F-HR 0001580642-25-007297 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 168,815 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $6,038,513.

    13F-HR 0001580642-25-005128 filed by Mariner, LLC
    Filed (acceptance time not in the bulk data set), ingested

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