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Disclosery

Mattson Financial Services, LLC: LYB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mattson Financial Services, LLC on LYB, newest first. How the timeline and the estimate are built.

Mattson Financial Services, LLC held 19,375 LYB shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,375 shares
    Change vs previous 13F -25 shares

    0.23% of the 13F portfolio, value $1,119,875.

    13F-HR 0002034595-26-000003 filed by Mattson Financial Services, LLC
    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 19,400 shares
    Change vs previous 13F -1,326 shares

    0.37% of the 13F portfolio, value $1,562,864.

    13F-HR 0002034595-26-000002 filed by Mattson Financial Services, LLC
    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 20,726 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $897,436.

    13F-HR 0002034595-26-000001 filed by Mattson Financial Services, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).