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BLAIR WILLIAM & CO/IL: GCMG position timeline

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

BLAIR WILLIAM & CO/IL held 343,894 GCMG 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 343,894 shares
    Change vs previous 13F -10,412 shares

    0.01% of the 13F portfolio, value $4,229,893.

    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 354,306 shares
    Change vs previous 13F -557,510 shares

    0.01% of the 13F portfolio, value $3,472,198.

    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 911,816 shares
    Change vs previous 13F -25,253 shares

    0.03% of the 13F portfolio, value $10,321,756.

    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 937,069 shares
    Change vs previous 13F +97,863 shares

    0.03% of the 13F portfolio, value $11,310,427.

    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 839,206 shares
    Change vs previous 13F -813 shares

    0.03% of the 13F portfolio, value $9,701,217.

    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 840,019 shares
    Change vs previous 13F +614,324 shares

    0.03% of the 13F portfolio, value $11,113,448.

    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 225,695 shares
    Change vs previous 13F +1,270 shares

    0.01% of the 13F portfolio, value $2,769,282.

    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 224,425 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,540,490.

    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).