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BLAIR WILLIAM & CO/IL: JMST position timeline

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

BLAIR WILLIAM & CO/IL held 11,055 JMST 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 11,055 shares
    Change vs previous 13F +1,136 shares

    <0.01% of the 13F portfolio, value $563,812.

    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 9,919 shares
    Change vs previous 13F +1,539 shares

    <0.01% of the 13F portfolio, value $505,664.

    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 8,380 shares
    Change vs previous 13F -3,470 shares

    <0.01% of the 13F portfolio, value $426,888.

    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 11,850 shares
    Change vs previous 13F +1,708 shares

    <0.01% of the 13F portfolio, value $604,817.

    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 10,142 shares
    Change vs previous 13F +2,123 shares

    <0.01% of the 13F portfolio, value $516,412.

    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 8,019 shares
    Change vs previous 13F -624 shares

    <0.01% of the 13F portfolio, value $407,779.

    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 8,643 shares
    Change vs previous 13F -1,976 shares

    <0.01% of the 13F portfolio, value $438,302.

    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 10,619 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $540,935.

    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).