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Disclosery

D. E. Shaw & Co., Inc.: BLCO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of D. E. Shaw & Co., Inc. on BLCO, newest first. How the timeline and the estimate are built.

D. E. Shaw & Co., Inc. held 3,323,021 BLCO 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 3,323,021 shares
    Change vs previous 13F +171,854 shares

    0.03% of the 13F portfolio, value $55,029,228.

    13F-HR 0001104659-26-097217 filed by D. E. Shaw & Co., 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 3,151,167 shares
    Change vs previous 13F +304,542 shares

    0.04% of the 13F portfolio, value $50,103,555.

    13F-HR 0001104659-26-062472 filed by D. E. Shaw & Co., 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 2,846,625 shares
    Change vs previous 13F +239,625 shares

    0.04% of the 13F portfolio, value $48,620,355.

    13F-HR 0001104659-26-016332 filed by D. E. Shaw & Co., Inc.
    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 2,607,000 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $39,287,490.

    13F-HR 0001104659-25-112505 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 2,607,000 shares
    Change vs previous 13F +728,676 shares

    0.03% of the 13F portfolio, value $33,917,070.

    13F-HR 0001104659-25-078542 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 1,878,324 shares
    Change vs previous 13F -6,176 shares

    0.03% of the 13F portfolio, value $27,235,698.

    13F-HR 0001104659-25-049422 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 1,884,500 shares
    Change vs previous 13F -29,750 shares

    0.04% of the 13F portfolio, value $34,034,070.

    13F-HR 0001104659-25-014028 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 1,914,250 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $36,925,882.

    13F-HR 0001104659-24-119021 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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