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

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

Parallax Volatility Advisers, L.P. held 102,790 ARTC 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 102,790 shares
    Change vs previous 13F -237,197 shares

    0.04% of the 13F portfolio, value $1,021,733.

    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 339,987 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $3,357,372.

    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).