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

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

Siren, L.L.C. held 7,690,405 SLDB 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 7,690,405 shares
    Change vs previous 13F 0 shares

    1.56% of the 13F portfolio, value $76,827,146.

    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 7,690,405 shares
    Change vs previous 13F 0 shares

    1.53% of the 13F portfolio, value $55,370,916.

    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 7,690,405 shares
    Change vs previous 13F +274,500 shares

    1.29% of the 13F portfolio, value $43,373,884.

    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 7,415,905 shares
    Change vs previous 13F 0 shares

    1.79% of the 13F portfolio, value $45,756,134.

    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 7,415,905 shares
    Change vs previous 13F 0 shares

    1.87% of the 13F portfolio, value $36,115,457.

    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 7,415,905 shares
    Change vs previous 13F +3,666,864 shares

    1.55% of the 13F portfolio, value $27,438,849.

    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 3,749,041 shares
    Change vs previous 13F +1,000,000 shares

    0.66% of the 13F portfolio, value $14,996,164.

    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 2,749,041 shares
    Change vs previous 13F not available

    0.96% of the 13F portfolio, value $19,160,816.

    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).