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BLAIR WILLIAM & CO/IL: SPMD position timeline

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

BLAIR WILLIAM & CO/IL held 1,294,582 SPMD 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 1,294,582 shares
    Change vs previous 13F +455,777 shares

    0.23% of the 13F portfolio, value $87,461,939.

    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 838,805 shares
    Change vs previous 13F +147,765 shares

    0.14% of the 13F portfolio, value $49,674,058.

    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 691,040 shares
    Change vs previous 13F +14,100 shares

    0.11% of the 13F portfolio, value $40,018,152.

    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 676,940 shares
    Change vs previous 13F -4,971 shares

    0.1% of the 13F portfolio, value $38,714,205.

    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 681,911 shares
    Change vs previous 13F -10,011 shares

    0.1% of the 13F portfolio, value $37,082,315.

    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 691,922 shares
    Change vs previous 13F +5,795 shares

    0.11% of the 13F portfolio, value $35,412,593.

    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 686,127 shares
    Change vs previous 13F +113,848 shares

    0.11% of the 13F portfolio, value $37,524,301.

    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 572,279 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $31,292,212.

    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).