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BLAIR WILLIAM & CO/IL: O position timeline

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

BLAIR WILLIAM & CO/IL held 76,246 O 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 76,246 shares
    Change vs previous 13F +5,087 shares

    0.01% of the 13F portfolio, value $4,724,183.

    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 71,159 shares
    Change vs previous 13F +7,787 shares

    0.01% of the 13F portfolio, value $4,353,534.

    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 63,372 shares
    Change vs previous 13F +29,698 shares

    0.01% of the 13F portfolio, value $3,572,258.

    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 33,674 shares
    Change vs previous 13F +15,111 shares

    0.01% of the 13F portfolio, value $2,047,040.

    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 18,563 shares
    Change vs previous 13F -355 shares

    <0.01% of the 13F portfolio, value $1,069,416.

    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 18,918 shares
    Change vs previous 13F -1,350 shares

    <0.01% of the 13F portfolio, value $1,097,427.

    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 20,268 shares
    Change vs previous 13F +1,636 shares

    <0.01% of the 13F portfolio, value $1,082,537.

    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 18,632 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,181,657.

    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).