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SEI INVESTMENTS CO: RKLB position timeline

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

SEI INVESTMENTS CO held 317,584 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 317,584 shares
    Change vs previous 13F +88,113 shares

    0.03% of the 13F portfolio, value $32,278,039.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    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 229,471 shares
    Change vs previous 13F +62,254 shares

    0.01% of the 13F portfolio, value $14,737,041.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    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 167,217 shares
    Change vs previous 13F +72,156 shares

    0.01% of the 13F portfolio, value $11,668,182.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    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 95,061 shares
    Change vs previous 13F +29,949 shares

    <0.01% of the 13F portfolio, value $4,554,851.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    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 65,112 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,329,066.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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