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Disclosery

Atika Capital Management LLC: BWXT position timeline

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

Atika Capital Management LLC held 54,000 BWXT 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 54,000 shares
    Change vs previous 13F -28,550 shares

    1.04% of the 13F portfolio, value $10,511,101.

    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 82,550 shares
    Change vs previous 13F -26,350 shares

    2.66% of the 13F portfolio, value $16,880,650.

    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 108,900 shares
    Change vs previous 13F -108,500 shares

    2.62% of the 13F portfolio, value $18,822,276.

    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).

  4. period ended2025-09-30
    13F 217,400 shares
    Change vs previous 13F +7,000 shares

    3.41% of the 13F portfolio, value $40,082,037.

    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).

  5. period ended2025-06-30
    13F 210,400 shares
    Change vs previous 13F +103,000 shares

    3.17% of the 13F portfolio, value $30,310,223.

    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).

  6. period ended2025-03-31
    13F 107,400 shares
    Change vs previous 13F 0 shares

    1.63% of the 13F portfolio, value $10,595,010.

    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).

  7. period ended2024-12-31
    13F 107,400 shares
    Change vs previous 13F 0 shares

    1.55% of the 13F portfolio, value $11,963,286.

    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).

  8. period ended2024-09-30
    13F 107,400 shares
    Change vs previous 13F not available

    1.25% of the 13F portfolio, value $11,674,381.

    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).