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Disclosery

Siren, L.L.C.: IRON position timeline

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

Siren, L.L.C. held 888,401 IRON shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 888,401 shares
    Change vs previous 13F -100,000 shares

    1.32% of the 13F portfolio, value $64,977,649.

    13F-HR 0002005245-26-000008 filed by Siren, L.L.C.
    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 988,401 shares
    Change vs previous 13F 0 shares

    1.75% of the 13F portfolio, value $63,198,360.

    13F-HR 0002005245-26-000006 filed by Siren, L.L.C.
    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 988,401 shares
    Change vs previous 13F +75,000 shares

    2.34% of the 13F portfolio, value $78,488,923.

    13F-HR 0002005245-26-000003 filed by Siren, L.L.C.
    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 913,401 shares
    Change vs previous 13F -186,000 shares

    2.36% of the 13F portfolio, value $60,357,538.

    13F-HR 0002005245-25-000012 filed by Siren, L.L.C.
    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 1,099,401 shares
    Change vs previous 13F +27,536 shares

    3.01% of the 13F portfolio, value $58,224,277.

    13F-HR 0002005369-25-000014 filed by Siren, L.L.C.
    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/A 1,071,865 shares
    Change vs previous 13F not available

    3% of the 13F portfolio, value $53,207,379.

    13F-HR/A 0002005245-25-000008 filed by Siren, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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