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BLAIR WILLIAM & CO/IL: OKLO position timeline

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

BLAIR WILLIAM & CO/IL held 79,266 OKLO 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 79,266 shares
    Change vs previous 13F +27,836 shares

    0.01% of the 13F portfolio, value $4,147,964.

    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 51,430 shares
    Change vs previous 13F -10,466 shares

    0.01% of the 13F portfolio, value $2,550,389.

    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 61,896 shares
    Change vs previous 13F -333 shares

    0.01% of the 13F portfolio, value $4,441,657.

    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 62,229 shares
    Change vs previous 13F +20,689 shares

    0.02% of the 13F portfolio, value $6,946,623.

    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 41,540 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,325,825.

    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).