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Parallax Volatility Advisers, L.P.: BWXT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Parallax Volatility Advisers, L.P. on BWXT, newest first. How the timeline and the estimate are built.

Parallax Volatility Advisers, L.P. held 4,904 BWXT 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 4,904 shares
    Change vs previous 13F +4,904 shares

    0.04% of the 13F portfolio, value $954,564.

    13F-HR 0001172661-26-003723 filed by Parallax Volatility Advisers, L.P.
    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 0 shares
    Change vs previous 13F -1,790 shares

    13F-HR 0001172661-26-002271 filed by Parallax Volatility Advisers, L.P.
    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.

  3. period ended2025-12-31
    13F 1,790 shares
    Change vs previous 13F -40,972 shares

    0.01% of the 13F portfolio, value $309,384.

    13F-HR 0001172661-26-001067 filed by Parallax Volatility Advisers, L.P.
    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 42,762 shares
    Change vs previous 13F +19,487 shares

    0.23% of the 13F portfolio, value $7,884,030.

    13F-HR 0001172661-25-005017 filed by Parallax Volatility Advisers, L.P.
    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 23,275 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $3,352,997.

    13F-HR 0001172661-25-003451 filed by Parallax Volatility Advisers, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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