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Disclosery

Atika Capital Management LLC: RKLB position timeline

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

Atika Capital Management LLC held 169,000 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 169,000 shares
    Change vs previous 13F +83,000 shares

    1.7% of the 13F portfolio, value $17,178,851.

    13F-HR 0001214659-26-010035 filed by Atika Capital Management 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 86,000 shares
    Change vs previous 13F +23,885 shares

    0.87% of the 13F portfolio, value $5,522,920.

    13F-HR 0001214659-26-006119 filed by Atika Capital Management 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 62,115 shares
    Change vs previous 13F not available

    0.6% of the 13F portfolio, value $4,333,142.

    13F-HR 0001214659-26-001658 filed by Atika Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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