Magnetar Financial LLC: B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Magnetar Financial LLC on B, newest first. How the timeline and the estimate are built.
Magnetar Financial LLC held 41,740 B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 41,740 sharesChange vs previous 13F -25,824 shares
0.01% of the 13F portfolio, value $1,533,110.
13F-HR 0001104659-26-096490 filed by Magnetar Financial LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 67,564 sharesChange vs previous 13F -32,177 shares
0.03% of the 13F portfolio, value $2,755,935.
13F-HR 0001104659-26-059841 filed by Magnetar Financial LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 99,741 sharesChange vs previous 13F -44,410 shares
0.04% of the 13F portfolio, value $4,343,720.
13F-HR 0001104659-26-015538 filed by Magnetar Financial LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 144,151 sharesChange vs previous 13F +20,947 shares
0.03% of the 13F portfolio, value $4,723,828.
13F-HR 0001104659-25-111094 filed by Magnetar Financial LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 123,204 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $2,565,107.
13F-HR 0001104659-25-076542 filed by Magnetar Financial LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).