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BLAIR WILLIAM & CO/IL: TREX position timeline

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

BLAIR WILLIAM & CO/IL held 42,785 TREX 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 42,785 shares
    Change vs previous 13F -4,769 shares

    0.01% of the 13F portfolio, value $2,140,953.

    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 47,554 shares
    Change vs previous 13F -83,661 shares

    <0.01% of the 13F portfolio, value $1,731,910.

    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 131,215 shares
    Change vs previous 13F -341,931 shares

    0.01% of the 13F portfolio, value $4,603,016.

    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 473,146 shares
    Change vs previous 13F -94,053 shares

    0.07% of the 13F portfolio, value $24,447,445.

    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 567,199 shares
    Change vs previous 13F -113,517 shares

    0.09% of the 13F portfolio, value $30,844,272.

    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 680,716 shares
    Change vs previous 13F +48,024 shares

    0.12% of the 13F portfolio, value $39,549,589.

    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 632,692 shares
    Change vs previous 13F -132,533 shares

    0.13% of the 13F portfolio, value $43,674,717.

    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 765,225 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $50,948,681.

    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).