Skip to content
Disclosery

CITADEL ADVISORS LLC: BRK-B position timeline

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

CITADEL ADVISORS LLC held 1,085,742 BRK-B shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 1,085,742 shares
    Change vs previous 13F -107,758 shares

    0.31% of the 13F portfolio, value $543,294,440.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 1,193,500 shares
    Change vs previous 13F +146,987 shares

    0.41% of the 13F portfolio, value $571,925,200.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS 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 1,046,513 shares
    Change vs previous 13F +599,567 shares

    0.36% of the 13F portfolio, value $526,029,759.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS 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 446,946 shares
    Change vs previous 13F +173,392 shares

    0.18% of the 13F portfolio, value $224,697,632.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS LLC
    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 273,554 shares
    Change vs previous 13F +252,318 shares

    0.12% of the 13F portfolio, value $132,884,326.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS LLC
    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 21,236 shares
    Change vs previous 13F -162,110 shares

    0.01% of the 13F portfolio, value $11,309,869.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS LLC
    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 183,346 shares
    Change vs previous 13F +44,665 shares

    0.08% of the 13F portfolio, value $83,107,075.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    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 138,681 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $63,829,317.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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