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Disclosery

BAKER BROS. ADVISORS LP: IRON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BAKER BROS. ADVISORS LP on IRON, newest first. How the timeline and the estimate are built.

BAKER BROS. ADVISORS LP held 349,657 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 349,657 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $25,573,913.

    13F-HR 0001104659-26-097191 filed by BAKER BROS. ADVISORS LP
    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 349,657 shares
    Change vs previous 13F +12,607 shares

    0.13% of the 13F portfolio, value $22,357,069.

    13F-HR 0001104659-26-062547 filed by BAKER BROS. ADVISORS LP
    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 337,050 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $26,765,141.

    13F-HR 0001104659-26-016374 filed by BAKER BROS. ADVISORS LP
    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 337,050 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $22,272,264.

    13F-HR 0001104659-25-112595 filed by BAKER BROS. ADVISORS LP
    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 337,050 shares
    Change vs previous 13F +260,000 shares

    0.17% of the 13F portfolio, value $17,850,168.

    13F-HR 0001104659-25-078573 filed by BAKER BROS. ADVISORS LP
    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 77,050 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $3,824,762.

    13F-HR 0001104659-25-049518 filed by BAKER BROS. ADVISORS LP
    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 77,050 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $4,884,970.

    13F-HR 0001104659-25-014085 filed by BAKER BROS. ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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