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
- period ended2026-06-3013F 77,712 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 78,791 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 83,772 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 80,520 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 125,047 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 132,168 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 136,039 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 157,193 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).