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BlackRock, Inc.: RKLB position timeline

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

BlackRock, Inc. held 40,580,130 RKLB shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 40,580,130 shares
    Change vs previous 13F +2,594,134 shares

    0.06% of the 13F portfolio, value $4,124,970,247.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 37,985,996 shares
    Change vs previous 13F +4,909,667 shares

    0.04% of the 13F portfolio, value $2,439,460,632.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 33,076,329 shares
    Change vs previous 13F +1,663,189 shares

    0.04% of the 13F portfolio, value $2,307,404,724.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 31,413,140 shares
    Change vs previous 13F +8,655,270 shares

    0.03% of the 13F portfolio, value $1,505,003,539.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 22,757,870 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $814,049,009.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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