Skip to content
Disclosery

FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.: BRK-A position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC. on BRK-A, newest first. How the timeline and the estimate are built.

FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC. held 30 BRK-A 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 30 shares
    Change vs previous 13F 0 shares

    18.15% of the 13F portfolio, value $22,465,500.

    13F-HR 0001140361-26-032993 filed by FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.
    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 30 shares
    Change vs previous 13F 0 shares

    20.34% of the 13F portfolio, value $21,544,200.

    13F-HR 0001140361-26-032990 filed by FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.
    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 30 shares
    Change vs previous 13F not available

    21.72% of the 13F portfolio, value $22,644,000.

    13F-HR 0001140361-26-032985 filed by FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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