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BLAIR WILLIAM & CO/IL: OPRX position timeline

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

BLAIR WILLIAM & CO/IL held 607,925 OPRX 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 607,925 shares
    Change vs previous 13F -7,067 shares

    0.01% of the 13F portfolio, value $3,477,331.

    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 614,992 shares
    Change vs previous 13F +32,407 shares

    0.01% of the 13F portfolio, value $3,862,150.

    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 582,585 shares
    Change vs previous 13F -8,554 shares

    0.02% of the 13F portfolio, value $7,142,493.

    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 591,139 shares
    Change vs previous 13F -37,787 shares

    0.03% of the 13F portfolio, value $12,118,355.

    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 628,926 shares
    Change vs previous 13F -2,105 shares

    0.02% of the 13F portfolio, value $8,490,504.

    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 631,031 shares
    Change vs previous 13F +29,648 shares

    0.02% of the 13F portfolio, value $5,464,731.

    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 601,383 shares
    Change vs previous 13F -75,711 shares

    0.01% of the 13F portfolio, value $2,922,721.

    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 677,094 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $5,227,163.

    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).