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

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

Parallax Volatility Advisers, L.P. held 16,933 XBI 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 16,933 shares
    Change vs previous 13F +3,299 shares

    0.1% of the 13F portfolio, value $2,679,647.

    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 13,634 shares
    Change vs previous 13F +13,633 shares

    0.08% of the 13F portfolio, value $1,859,533.

    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 1 shares
    Change vs previous 13F -194,819 shares

    <0.01% of the 13F portfolio, value $122.

    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 194,820 shares
    Change vs previous 13F +192,958 shares

    0.58% of the 13F portfolio, value $19,520,964.

    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 1,862 shares
    Change vs previous 13F -13,478 shares

    0.01% of the 13F portfolio, value $154,416.

    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 15,340 shares
    Change vs previous 13F -300,666 shares

    0.04% of the 13F portfolio, value $1,244,074.

    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 316,006 shares
    Change vs previous 13F +263,782 shares

    0.63% of the 13F portfolio, value $28,459,500.

    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 52,224 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $5,159,731.

    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).