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Woodline Partners LP: IRON position timeline

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

Woodline Partners LP held 958,281 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 958,281 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $70,088,672.

    13F-HR 0001172661-26-003541 filed by Woodline Partners 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/A 958,281 shares
    Change vs previous 13F +448 shares

    0.23% of the 13F portfolio, value $61,272,487.

    13F-HR/A 0001172661-26-002263 filed by Woodline Partners 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 957,833 shares
    Change vs previous 13F +90,878 shares

    0.29% of the 13F portfolio, value $76,061,519.

    13F-HR 0001172661-26-000861 filed by Woodline Partners 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 866,955 shares
    Change vs previous 13F 0 shares

    0.27% of the 13F portfolio, value $57,288,386.

    13F-HR 0001172661-25-004991 filed by Woodline Partners 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 866,955 shares
    Change vs previous 13F +364,725 shares

    0.24% of the 13F portfolio, value $45,913,937.

    13F-HR 0001172661-25-003349 filed by Woodline Partners 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 502,230 shares
    Change vs previous 13F +105,630 shares

    0.16% of the 13F portfolio, value $24,930,697.

    13F-HR 0001172661-25-002043 filed by Woodline Partners 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 396,600 shares
    Change vs previous 13F +19,538 shares

    0.17% of the 13F portfolio, value $25,144,440.

    13F-HR 0001172661-25-001092 filed by Woodline Partners LP
    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 377,062 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $18,528,827.

    13F-HR 0001172661-24-004991 filed by Woodline Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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