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DEERFIELD MANAGEMENT COMPANY, L.P.: IRON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DEERFIELD MANAGEMENT COMPANY, L.P. on IRON, newest first. How the timeline and the estimate are built.

DEERFIELD MANAGEMENT COMPANY, L.P. held 657,000 IRON 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 657,000 shares
    Change vs previous 13F 0 shares

    0.5% of the 13F portfolio, value $48,052,980.

    13F-HR 0001213900-26-089991 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 657,000 shares
    Change vs previous 13F +145,837 shares

    0.5% of the 13F portfolio, value $42,008,580.

    13F-HR 0001213900-26-057678 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 511,163 shares
    Change vs previous 13F -408,240 shares

    0.52% of the 13F portfolio, value $40,591,454.

    13F-HR 0001213900-26-017265 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 919,403 shares
    Change vs previous 13F 0 shares

    0.93% of the 13F portfolio, value $60,754,150.

    13F-HR 0001213900-25-110851 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 919,403 shares
    Change vs previous 13F +137,070 shares

    0.88% of the 13F portfolio, value $48,691,583.

    13F-HR 0001213900-25-076586 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 782,333 shares
    Change vs previous 13F +181,818 shares

    0.77% of the 13F portfolio, value $38,835,010.

    13F-HR 0001213900-25-044138 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 600,515 shares
    Change vs previous 13F -422,750 shares

    0.72% of the 13F portfolio, value $38,072,651.

    13F-HR 0001213900-25-014236 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    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 1,023,265 shares
    Change vs previous 13F not available

    0.75% of the 13F portfolio, value $50,283,242.

    13F-HR 0001213900-24-098387 filed by DEERFIELD MANAGEMENT COMPANY, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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