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BLAIR WILLIAM & CO/IL: SSO position timeline

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

BLAIR WILLIAM & CO/IL held 20,339 SSO 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 20,339 shares
    Change vs previous 13F -2,364 shares

    <0.01% of the 13F portfolio, value $1,370,419.

    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 22,703 shares
    Change vs previous 13F -427 shares

    <0.01% of the 13F portfolio, value $1,177,845.

    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 23,130 shares
    Change vs previous 13F +14,252 shares

    <0.01% of the 13F portfolio, value $1,339,690.

    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 8,878 shares
    Change vs previous 13F +371 shares

    <0.01% of the 13F portfolio, value $995,490.

    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 8,507 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $831,304.

    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 8,507 shares
    Change vs previous 13F +472 shares

    <0.01% of the 13F portfolio, value $704,209.

    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 8,035 shares
    Change vs previous 13F +1,799 shares

    <0.01% of the 13F portfolio, value $743,327.

    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 6,236 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $562,300.

    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).