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MILLENNIUM MANAGEMENT LLC: IRON position timeline

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

MILLENNIUM MANAGEMENT LLC held 106,248 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 106,248 shares
    Change vs previous 13F +22,989 shares

    0.01% of the 13F portfolio, value $7,770,979.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT LLC
    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 83,259 shares
    Change vs previous 13F -101,520 shares

    <0.01% of the 13F portfolio, value $5,323,580.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT LLC
    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 184,779 shares
    Change vs previous 13F +23,779 shares

    0.01% of the 13F portfolio, value $14,673,300.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT LLC
    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 161,000 shares
    Change vs previous 13F +139,407 shares

    0.01% of the 13F portfolio, value $10,638,880.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT LLC
    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 21,593 shares
    Change vs previous 13F -86,906 shares

    <0.01% of the 13F portfolio, value $1,143,565.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT LLC
    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 108,499 shares
    Change vs previous 13F +100,620 shares

    0.01% of the 13F portfolio, value $5,385,890.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT LLC
    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 7,879 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $499,529.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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