BLAIR WILLIAM & CO/IL: GBTC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on GBTC, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 106,864 GBTC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 106,864 sharesChange vs previous 13F -215 shares
0.01% of the 13F portfolio, value $4,864,449.
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 107,079 sharesChange vs previous 13F -250 shares
0.02% of the 13F portfolio, value $5,649,488.
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 107,329 sharesChange vs previous 13F -228 shares
0.02% of the 13F portfolio, value $7,337,010.
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 107,557 sharesChange vs previous 13F -43 shares
0.03% of the 13F portfolio, value $9,655,392.
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 107,600 sharesChange vs previous 13F -466 shares
0.03% of the 13F portfolio, value $9,127,708.
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 108,066 sharesChange vs previous 13F -1,347 shares
0.02% of the 13F portfolio, value $7,042,661.
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 109,413 sharesChange vs previous 13F +1,117 shares
0.02% of the 13F portfolio, value $8,098,750.
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 108,296 sharesChange vs previous 13F not available
0.02% of the 13F portfolio, value $5,468,948.
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).