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Disclosery

CAXTON CORP: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CAXTON CORP on BRK-B, newest first. How the timeline and the estimate are built.

CAXTON CORP held 754 BRK-B 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 754 shares
    Change vs previous 13F +27 shares

    20.35% of the 13F portfolio, value $377,128.

    13F-HR 0000919574-26-005174 filed by CAXTON CORP
    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 727 shares
    Change vs previous 13F +17 shares

    8.66% of the 13F portfolio, value $348,341.

    13F-HR 0000919574-26-003017 filed by CAXTON CORP
    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 710 shares
    Change vs previous 13F +59 shares

    8.34% of the 13F portfolio, value $356,771.

    13F-HR 0000919574-26-000956 filed by CAXTON CORP
    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 651 shares
    Change vs previous 13F +19 shares

    1.43% of the 13F portfolio, value $327,454.

    13F-HR 0000919574-25-006891 filed by CAXTON CORP
    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 632 shares
    Change vs previous 13F +165 shares

    3.12% of the 13F portfolio, value $307,040.

    13F-HR 0000919574-25-004762 filed by CAXTON CORP
    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 467 shares
    Change vs previous 13F -666 shares

    4.9% of the 13F portfolio, value $248,816.

    13F-HR 0000919574-25-003127 filed by CAXTON CORP
    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 1,133 shares
    Change vs previous 13F -18 shares

    3.09% of the 13F portfolio, value $513,554.

    13F-HR 0000919574-25-001439 filed by CAXTON CORP
    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 1,151 shares
    Change vs previous 13F not available

    2.19% of the 13F portfolio, value $529,573.

    13F-HR 0000919574-24-006599 filed by CAXTON CORP
    Filed (acceptance time not in the bulk data set), ingested

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