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

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

DEERFIELD MANAGEMENT COMPANY, L.P. held 0 BLFS shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -120,211 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 120,211 shares
    Change vs previous 13F +9,016 shares

    0.04% of the 13F portfolio, value $2,906,702.

    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).

  3. period ended2025-09-30
    13F 111,195 shares
    Change vs previous 13F +97,525 shares

    0.04% of the 13F portfolio, value $2,836,584.

    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).

  4. period ended2025-06-30
    13F 13,670 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $294,452.

    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).