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BLAIR WILLIAM & CO/IL: SPXC position timeline

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

BLAIR WILLIAM & CO/IL held 134,956 SPXC 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 134,956 shares
    Change vs previous 13F -986 shares

    0.09% of the 13F portfolio, value $33,087,245.

    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 135,942 shares
    Change vs previous 13F -20,884 shares

    0.08% of the 13F portfolio, value $27,180,243.

    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 156,826 shares
    Change vs previous 13F +4,566 shares

    0.08% of the 13F portfolio, value $31,374,610.

    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 152,260 shares
    Change vs previous 13F +3,402 shares

    0.08% of the 13F portfolio, value $28,439,123.

    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 148,858 shares
    Change vs previous 13F -4,588 shares

    0.07% of the 13F portfolio, value $24,960,509.

    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 153,446 shares
    Change vs previous 13F +27,289 shares

    0.06% of the 13F portfolio, value $19,760,776.

    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 126,157 shares
    Change vs previous 13F +12,048 shares

    0.05% of the 13F portfolio, value $18,358,367.

    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 114,109 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $18,195,821.

    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).