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

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

Parallax Volatility Advisers, L.P. held 67,030 UAL 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 67,030 shares
    Change vs previous 13F +49,572 shares

    0.34% of the 13F portfolio, value $9,115,410.

    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 17,458 shares
    Change vs previous 13F -77,834 shares

    0.07% of the 13F portfolio, value $1,695,690.

    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).

  3. period ended2025-12-31
    13F 95,292 shares
    Change vs previous 13F -101,067 shares

    0.33% of the 13F portfolio, value $10,655,551.

    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 196,359 shares
    Change vs previous 13F +117,351 shares

    0.56% of the 13F portfolio, value $18,948,644.

    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 79,008 shares
    Change vs previous 13F -285,640 shares

    0.25% of the 13F portfolio, value $6,291,407.

    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).

  6. period ended2025-03-31
    13F 364,648 shares
    Change vs previous 13F -13,865 shares

    0.81% of the 13F portfolio, value $25,178,944.

    13F-HR 0001172661-25-002304 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).

  7. period ended2024-12-31
    13F 378,513 shares
    Change vs previous 13F +302,332 shares

    0.81% of the 13F portfolio, value $36,753,612.

    13F-HR 0001172661-25-001026 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).

  8. period ended2024-09-30
    13F 76,181 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $4,346,888.

    13F-HR 0001172661-24-004876 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).