Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: OMC position timeline

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

BLAIR WILLIAM & CO/IL held 118,244 OMC 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 118,244 shares
    Change vs previous 13F +45 shares

    0.02% of the 13F portfolio, value $8,611,679.

    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 118,199 shares
    Change vs previous 13F -620 shares

    0.03% of the 13F portfolio, value $8,901,530.

    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 118,819 shares
    Change vs previous 13F +2,477 shares

    0.03% of the 13F portfolio, value $9,594,645.

    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 116,342 shares
    Change vs previous 13F -1,031 shares

    0.03% of the 13F portfolio, value $9,485,368.

    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 117,373 shares
    Change vs previous 13F +315 shares

    0.02% of the 13F portfolio, value $8,443,779.

    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 117,058 shares
    Change vs previous 13F -1,240 shares

    0.03% of the 13F portfolio, value $9,705,249.

    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 118,298 shares
    Change vs previous 13F -5,013 shares

    0.03% of the 13F portfolio, value $10,178,374.

    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 123,311 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $12,749,134.

    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).