Skip to content
Disclosery

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

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

Parallax Volatility Advisers, L.P. held 4,749 WDC 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 4,749 shares
    Change vs previous 13F -63,713 shares

    0.11% of the 13F portfolio, value $3,033,281.

    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 68,462 shares
    Change vs previous 13F -28,755 shares

    0.82% of the 13F portfolio, value $18,518,286.

    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 97,217 shares
    Change vs previous 13F +60,186 shares

    0.52% of the 13F portfolio, value $16,747,573.

    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 37,031 shares
    Change vs previous 13F -47,971 shares

    0.13% of the 13F portfolio, value $4,445,942.

    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 85,002 shares
    Change vs previous 13F -6,778 shares

    0.22% of the 13F portfolio, value $5,439,278.

    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 91,780 shares
    Change vs previous 13F +31,930 shares

    0.12% of the 13F portfolio, value $3,710,665.

    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 59,850 shares
    Change vs previous 13F -4,701 shares

    0.08% of the 13F portfolio, value $3,568,856.

    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 64,551 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $4,408,188.

    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).