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BVF INC/IL: IRON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BVF INC/IL on IRON, newest first. How the timeline and the estimate are built.

BVF INC/IL held 1,153,612 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 1,153,612 shares
    Change vs previous 13F -118,700 shares

    2.16% of the 13F portfolio, value $84,375,182.

    13F-HR 0000921895-26-002163 filed by BVF INC/IL
    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 1,272,312 shares
    Change vs previous 13F +622,312 shares

    2.59% of the 13F portfolio, value $81,351,629.

    13F-HR 0000921895-26-001382 filed by BVF INC/IL
    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 650,000 shares
    Change vs previous 13F not available

    1.74% of the 13F portfolio, value $51,616,500.

    13F-HR 0000921895-26-000449 filed by BVF INC/IL
    Filed (acceptance time not in the bulk data set), ingested

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