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BLAIR WILLIAM & CO/IL: MRCY position timeline

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

BLAIR WILLIAM & CO/IL held 77,712 MRCY 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 77,712 shares
    Change vs previous 13F -1,079 shares

    0.02% of the 13F portfolio, value $9,506,509.

    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 78,791 shares
    Change vs previous 13F -4,981 shares

    0.02% of the 13F portfolio, value $5,744,652.

    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 83,772 shares
    Change vs previous 13F +3,252 shares

    0.02% of the 13F portfolio, value $6,116,194.

    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 80,520 shares
    Change vs previous 13F -44,527 shares

    0.02% of the 13F portfolio, value $6,232,248.

    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 125,047 shares
    Change vs previous 13F -7,121 shares

    0.02% of the 13F portfolio, value $6,735,031.

    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 132,168 shares
    Change vs previous 13F -3,871 shares

    0.02% of the 13F portfolio, value $5,695,119.

    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 136,039 shares
    Change vs previous 13F -21,154 shares

    0.02% of the 13F portfolio, value $5,713,638.

    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 157,193 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $5,816,141.

    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).