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Disclosery

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

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

D. E. Shaw & Co., Inc. held 31,396 MAMA 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 31,396 shares
    Change vs previous 13F +540 shares

    <0.01% of the 13F portfolio, value $560,419.

    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 30,856 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $473,331.

    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).