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Disclosery

Magnetar Financial LLC: BLKB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Magnetar Financial LLC on BLKB, newest first. How the timeline and the estimate are built.

Magnetar Financial LLC held 11,238 BLKB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,238 shares
    Change vs previous 13F -26,199 shares

    <0.01% of the 13F portfolio, value $332,870.

    13F-HR 0001104659-26-096490 filed by Magnetar Financial LLC
    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 37,437 shares
    Change vs previous 13F +25,249 shares

    0.01% of the 13F portfolio, value $1,445,443.

    13F-HR 0001104659-26-059841 filed by Magnetar Financial LLC
    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 12,188 shares
    Change vs previous 13F -2,355 shares

    0.01% of the 13F portfolio, value $771,744.

    13F-HR 0001104659-26-015538 filed by Magnetar Financial LLC
    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 14,543 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $935,261.

    13F-HR 0001104659-25-111094 filed by Magnetar Financial LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).