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Cornerstone Select Advisors, LLC: BKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cornerstone Select Advisors, LLC on BKR, newest first. How the timeline and the estimate are built.

Cornerstone Select Advisors, LLC held 6,391 BKR shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,391 shares
    Change vs previous 13F +2,614 shares

    0.15% of the 13F portfolio, value $354,701.

    13F-HR 0001104659-26-091031 filed by Cornerstone Select Advisors, 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 3,777 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $230,586.

    13F-HR 0001104659-26-060022 filed by Cornerstone Select Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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