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Disclosery

Brevan Howard Capital Management LP: MASS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Brevan Howard Capital Management LP on MASS, newest first. How the timeline and the estimate are built.

Brevan Howard Capital Management LP held 20,692 MASS 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 20,692 shares
    Change vs previous 13F +20,692 shares

    <0.01% of the 13F portfolio, value $180,020.

    13F-HR 0000905148-26-003711 filed by Brevan Howard Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -11,600 shares

    13F-HR 0000905148-26-000855 filed by Brevan Howard Capital Management 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.

  3. period ended2025-09-30
    13F 11,600 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $101,616.

    13F-HR 0000905148-25-004026 filed by Brevan Howard Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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