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

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

Parallax Volatility Advisers, L.P. held 3,584 IBKR 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 3,584 shares
    Change vs previous 13F +3,583 shares

    0.01% of the 13F portfolio, value $311,951.

    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 1 shares
    Change vs previous 13F -103,071 shares

    <0.01% of the 13F portfolio, value $67.

    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 103,072 shares
    Change vs previous 13F +3,916 shares

    0.21% of the 13F portfolio, value $6,628,560.

    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 99,156 shares
    Change vs previous 13F +22,701 shares

    0.2% of the 13F portfolio, value $6,822,924.

    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 76,455 shares
    Change vs previous 13F +74,653 shares

    0.17% of the 13F portfolio, value $4,236,372.

    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 1,802 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $298,393.

    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).