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

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

Parallax Volatility Advisers, L.P. held 100,000 UPWK 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 100,000 shares
    Change vs previous 13F +65,000 shares

    0.03% of the 13F portfolio, value $836,000.

    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 35,000 shares
    Change vs previous 13F -16,900 shares

    0.02% of the 13F portfolio, value $383,600.

    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 51,900 shares
    Change vs previous 13F +652 shares

    0.03% of the 13F portfolio, value $1,028,658.

    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 51,248 shares
    Change vs previous 13F +17,720 shares

    0.03% of the 13F portfolio, value $951,675.

    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 33,528 shares
    Change vs previous 13F +4,958 shares

    0.02% of the 13F portfolio, value $450,616.

    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 28,570 shares
    Change vs previous 13F -8,204 shares

    0.01% of the 13F portfolio, value $372,839.

    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 36,774 shares
    Change vs previous 13F +1,169 shares

    0.01% of the 13F portfolio, value $601,255.

    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 35,605 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $372,072.

    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).