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Disclosery

Atika Capital Management LLC: VST position timeline

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

Atika Capital Management LLC held 0 VST shares at 2025-12-31 per its 13F-HR filed 2026-02-13.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -123,000 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 123,000 shares
    Change vs previous 13F -1,000 shares

    2.05% of the 13F portfolio, value $24,098,160.

    13F-HR 0001214659-25-016379 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 ended2025-06-30
    13F 124,000 shares
    Change vs previous 13F +8,000 shares

    2.51% of the 13F portfolio, value $24,032,440.

    13F-HR 0001214659-25-011890 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).

  4. period ended2025-03-31
    13F 116,000 shares
    Change vs previous 13F +42,500 shares

    2.09% of the 13F portfolio, value $13,623,040.

    13F-HR 0001214659-25-007540 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).

  5. period ended2024-12-31
    13F 73,500 shares
    Change vs previous 13F -36,500 shares

    1.31% of the 13F portfolio, value $10,133,444.

    13F-HR 0001214659-25-002515 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).

  6. period ended2024-09-30
    13F 110,000 shares
    Change vs previous 13F not available

    1.39% of the 13F portfolio, value $13,039,400.

    13F-HR 0001214659-24-018802 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).