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

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

Parallax Volatility Advisers, L.P. held 6,649 SNDK 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 6,649 shares
    Change vs previous 13F +3,181 shares

    0.56% of the 13F portfolio, value $15,118,031.

    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 3,468 shares
    Change vs previous 13F -34,202 shares

    0.1% of the 13F portfolio, value $2,203,359.

    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 37,670 shares
    Change vs previous 13F +30,762 shares

    0.28% of the 13F portfolio, value $8,942,105.

    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 6,908 shares
    Change vs previous 13F -14,411 shares

    0.02% of the 13F portfolio, value $775,078.

    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 21,319 shares
    Change vs previous 13F +5,745 shares

    0.04% of the 13F portfolio, value $966,817.

    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 15,574 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $741,478.

    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).