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BLAIR WILLIAM & CO/IL: GD position timeline

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

BLAIR WILLIAM & CO/IL held 278,892 GD 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 278,892 shares
    Change vs previous 13F -13,143 shares

    0.26% of the 13F portfolio, value $98,794,819.

    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 292,035 shares
    Change vs previous 13F +7,368 shares

    0.29% of the 13F portfolio, value $100,232,354.

    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 284,667 shares
    Change vs previous 13F +522 shares

    0.26% of the 13F portfolio, value $95,835,862.

    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 284,145 shares
    Change vs previous 13F +4,569 shares

    0.26% of the 13F portfolio, value $96,893,422.

    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 279,576 shares
    Change vs previous 13F -10,991 shares

    0.23% of the 13F portfolio, value $81,541,263.

    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 290,567 shares
    Change vs previous 13F -27,707 shares

    0.24% of the 13F portfolio, value $79,202,768.

    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 318,274 shares
    Change vs previous 13F -33,283 shares

    0.24% of the 13F portfolio, value $83,862,048.

    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 351,557 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $106,240,486.

    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).