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

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

D. E. Shaw & Co., Inc. held 5,877,959 INSM 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 5,877,959 shares
    Change vs previous 13F +252,134 shares

    0.39% of the 13F portfolio, value $626,707,989.

    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 5,625,825 shares
    Change vs previous 13F +1,274,830 shares

    0.72% of the 13F portfolio, value $919,934,904.

    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 4,350,995 shares
    Change vs previous 13F -1,306,469 shares

    0.58% of the 13F portfolio, value $757,247,170.

    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 5,657,464 shares
    Change vs previous 13F +2,234,845 shares

    0.66% of the 13F portfolio, value $814,731,390.

    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 3,422,619 shares
    Change vs previous 13F +2,687,739 shares

    0.34% of the 13F portfolio, value $344,452,376.

    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 734,880 shares
    Change vs previous 13F +226,093 shares

    0.07% of the 13F portfolio, value $56,063,995.

    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 508,787 shares
    Change vs previous 13F +442,052 shares

    0.04% of the 13F portfolio, value $35,126,654.

    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 66,735 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $4,871,655.

    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).