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SEI INVESTMENTS CO: LYB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SEI INVESTMENTS CO on LYB, newest first. How the timeline and the estimate are built.

SEI INVESTMENTS CO held 39,811 LYB 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 39,811 shares
    Change vs previous 13F -102,324 shares

    <0.01% of the 13F portfolio, value $2,096,128.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    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 142,135 shares
    Change vs previous 13F +53,868 shares

    0.01% of the 13F portfolio, value $11,450,131.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    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 88,267 shares
    Change vs previous 13F -24,695 shares

    <0.01% of the 13F portfolio, value $3,822,045.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    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 112,962 shares
    Change vs previous 13F -8,013 shares

    0.01% of the 13F portfolio, value $5,540,248.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    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 120,975 shares
    Change vs previous 13F +5,772 shares

    0.01% of the 13F portfolio, value $7,000,619.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    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/A 115,203 shares
    Change vs previous 13F -5,872 shares

    0.01% of the 13F portfolio, value $8,108,250.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS CO
    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 121,075 shares
    Change vs previous 13F +10,833 shares

    0.01% of the 13F portfolio, value $8,992,951.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS CO
    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 110,242 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $10,572,400.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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