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Disclosery

Holocene Advisors, LP: BRK-B position timeline

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

Holocene Advisors, LP held 527,000 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 527,000 shares
    Change vs previous 13F 0 shares

    0.6% of the 13F portfolio, value $263,705,530.

    13F-HR 0001172661-26-003735 filed by Holocene Advisors, LP
    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 527,000 shares
    Change vs previous 13F +260,000 shares

    0.61% of the 13F portfolio, value $252,538,400.

    13F-HR 0001172661-26-002328 filed by Holocene Advisors, LP
    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 267,000 shares
    Change vs previous 13F +250,000 shares

    0.28% of the 13F portfolio, value $134,207,550.

    13F-HR 0001172661-26-001069 filed by Holocene Advisors, LP
    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 17,000 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $8,546,580.

    13F-HR 0001172661-25-005031 filed by Holocene Advisors, LP
    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 17,000 shares
    Change vs previous 13F +17,000 shares

    0.02% of the 13F portfolio, value $8,258,090.

    13F-HR 0001172661-25-003485 filed by Holocene Advisors, LP
    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 0 shares
    Change vs previous 13F -17,330 shares

    13F-HR 0001172661-25-002386 filed by Holocene Advisors, LP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 17,330 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $7,855,342.

    13F-HR 0001172661-25-001140 filed by Holocene Advisors, LP
    Filed (acceptance time not in the bulk data set), ingested

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