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

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

Parallax Volatility Advisers, L.P. held 135,199 BSX 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 135,199 shares
    Change vs previous 13F +133,810 shares

    0.21% of the 13F portfolio, value $5,770,294.

    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 1,389 shares
    Change vs previous 13F -80,743 shares

    <0.01% of the 13F portfolio, value $82,680.

    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 82,132 shares
    Change vs previous 13F +26,967 shares

    0.24% of the 13F portfolio, value $7,831,286.

    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 55,165 shares
    Change vs previous 13F -14,531 shares

    0.16% of the 13F portfolio, value $5,385,759.

    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 69,696 shares
    Change vs previous 13F -115,956 shares

    0.3% of the 13F portfolio, value $7,486,047.

    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 185,652 shares
    Change vs previous 13F +3,840 shares

    0.6% of the 13F portfolio, value $18,728,574.

    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 181,812 shares
    Change vs previous 13F +23,164 shares

    0.36% of the 13F portfolio, value $16,239,448.

    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 158,648 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $13,294,702.

    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).