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Disclosery

BLAIR WILLIAM & CO/IL: WES position timeline

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

BLAIR WILLIAM & CO/IL held 16,335 WES 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 16,335 shares
    Change vs previous 13F +6,651 shares

    <0.01% of the 13F portfolio, value $714,832.

    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 9,684 shares
    Change vs previous 13F +94 shares

    <0.01% of the 13F portfolio, value $398,672.

    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 9,590 shares
    Change vs previous 13F +330 shares

    <0.01% of the 13F portfolio, value $378,789.

    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 9,260 shares
    Change vs previous 13F -8,130 shares

    <0.01% of the 13F portfolio, value $363,836.

    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 17,390 shares
    Change vs previous 13F +8,079 shares

    <0.01% of the 13F portfolio, value $672,989.

    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 9,311 shares
    Change vs previous 13F -760 shares

    <0.01% of the 13F portfolio, value $381,362.

    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 10,071 shares
    Change vs previous 13F +82 shares

    <0.01% of the 13F portfolio, value $387,015.

    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 9,989 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $382,165.

    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).