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BLAIR WILLIAM & CO/IL: WEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on WEC, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 46,275 WEC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 46,275 shares
    Change vs previous 13F +763 shares

    0.01% of the 13F portfolio, value $5,403,583.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 45,512 shares
    Change vs previous 13F +4,050 shares

    0.02% of the 13F portfolio, value $5,268,887.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 41,462 shares
    Change vs previous 13F +157 shares

    0.01% of the 13F portfolio, value $4,372,562.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 41,305 shares
    Change vs previous 13F -693 shares

    0.01% of the 13F portfolio, value $4,733,175.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 41,998 shares
    Change vs previous 13F -1,052 shares

    0.01% of the 13F portfolio, value $4,376,218.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 43,050 shares
    Change vs previous 13F -1,216 shares

    0.01% of the 13F portfolio, value $4,691,544.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 44,266 shares
    Change vs previous 13F +168 shares

    0.01% of the 13F portfolio, value $4,162,757.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 44,098 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $4,241,363.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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