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

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

Parallax Volatility Advisers, L.P. held 40,406 Z 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 40,406 shares
    Change vs previous 13F +23,437 shares

    0.05% of the 13F portfolio, value $1,273,597.

    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 16,969 shares
    Change vs previous 13F -83,031 shares

    0.03% of the 13F portfolio, value $702,177.

    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 100,000 shares
    Change vs previous 13F -78,893 shares

    0.21% of the 13F portfolio, value $6,822,000.

    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 178,893 shares
    Change vs previous 13F +63,585 shares

    0.41% of the 13F portfolio, value $13,783,706.

    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 115,308 shares
    Change vs previous 13F -29,897 shares

    0.33% of the 13F portfolio, value $8,222,325.

    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 145,205 shares
    Change vs previous 13F -36,634 shares

    0.32% of the 13F portfolio, value $9,955,255.

    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 181,839 shares
    Change vs previous 13F +118,025 shares

    0.3% of the 13F portfolio, value $13,465,178.

    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 63,814 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $4,074,524.

    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).