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Disclosery

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

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

Siren, L.L.C. held 9,846,579 TSHA 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 9,846,579 shares
    Change vs previous 13F +1,016,666 shares

    1.36% of the 13F portfolio, value $67,055,203.

    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 8,829,913 shares
    Change vs previous 13F -1,300,000 shares

    1.09% of the 13F portfolio, value $39,469,711.

    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 10,129,913 shares
    Change vs previous 13F -884,824 shares

    1.66% of the 13F portfolio, value $55,714,522.

    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 11,014,737 shares
    Change vs previous 13F 0 shares

    1.41% of the 13F portfolio, value $36,018,190.

    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 11,014,737 shares
    Change vs previous 13F +4,500,000 shares

    1.32% of the 13F portfolio, value $25,444,042.

    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 6,514,737 shares
    Change vs previous 13F -87,738 shares

    0.51% of the 13F portfolio, value $9,055,484.

    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).

  7. period ended2024-12-31
    13F 6,602,475 shares
    Change vs previous 13F +1,722,600 shares

    0.5% of the 13F portfolio, value $11,422,282.

    13F-HR 0002005245-25-000002 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).

  8. period ended2024-09-30
    13F 4,879,875 shares
    Change vs previous 13F not available

    0.49% of the 13F portfolio, value $9,808,549.

    13F-HR 0002005245-24-000005 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).