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

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

D. E. Shaw & Co., Inc. held 839,616 MRSH 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 839,616 shares
    Change vs previous 13F -889,934 shares

    0.09% of the 13F portfolio, value $139,938,799.

    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 1,729,550 shares
    Change vs previous 13F -866,461 shares

    0.24% of the 13F portfolio, value $299,990,448.

    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).

  3. period ended2025-12-31
    13F 2,596,011 shares
    Change vs previous 13F +19,345 shares

    0.37% of the 13F portfolio, value $481,611,960.

    13F-HR 0001104659-26-016332 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).

  4. period ended2025-09-30
    13F 2,576,666 shares
    Change vs previous 13F +1,372,137 shares

    0.42% of the 13F portfolio, value $519,275,499.

    13F-HR 0001104659-25-112505 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).

  5. period ended2025-06-30
    13F 1,204,529 shares
    Change vs previous 13F +397,615 shares

    0.26% of the 13F portfolio, value $263,358,220.

    13F-HR 0001104659-25-078542 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).

  6. period ended2025-03-31
    13F 806,914 shares
    Change vs previous 13F +461,843 shares

    0.23% of the 13F portfolio, value $196,911,223.

    13F-HR 0001104659-25-049422 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).

  7. period ended2024-12-31
    13F 345,071 shares
    Change vs previous 13F -81,095 shares

    0.08% of the 13F portfolio, value $73,296,532.

    13F-HR 0001104659-25-014028 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).

  8. period ended2024-09-30
    13F 426,166 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $95,073,373.

    13F-HR 0001104659-24-119021 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).