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BLAIR WILLIAM & CO/IL: SPEM position timeline

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

BLAIR WILLIAM & CO/IL held 107,797 SPEM 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 107,797 shares
    Change vs previous 13F +926 shares

    0.01% of the 13F portfolio, value $5,581,749.

    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 106,871 shares
    Change vs previous 13F +22,416 shares

    0.01% of the 13F portfolio, value $5,013,321.

    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 84,455 shares
    Change vs previous 13F +4,416 shares

    0.01% of the 13F portfolio, value $3,953,341.

    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 80,039 shares
    Change vs previous 13F +8,829 shares

    0.01% of the 13F portfolio, value $3,746,627.

    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 71,210 shares
    Change vs previous 13F +16,578 shares

    0.01% of the 13F portfolio, value $3,043,517.

    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 54,632 shares
    Change vs previous 13F +16,089 shares

    0.01% of the 13F portfolio, value $2,150,847.

    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 38,543 shares
    Change vs previous 13F +10,363 shares

    <0.01% of the 13F portfolio, value $1,478,901.

    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 28,180 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,163,263.

    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).