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

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

Siren, L.L.C. held 1,893,410 CGEM 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 1,893,410 shares
    Change vs previous 13F +700,000 shares

    0.7% of the 13F portfolio, value $34,478,996.

    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 1,193,410 shares
    Change vs previous 13F 0 shares

    0.47% of the 13F portfolio, value $16,958,356.

    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 1,193,410 shares
    Change vs previous 13F 0 shares

    0.37% of the 13F portfolio, value $12,351,794.

    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 1,193,410 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $7,076,921.

    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 1,193,410 shares
    Change vs previous 13F 0 shares

    0.47% of the 13F portfolio, value $8,986,377.

    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 1,193,410 shares
    Change vs previous 13F -17,947 shares

    0.51% of the 13F portfolio, value $9,034,114.

    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 1,211,357 shares
    Change vs previous 13F 0 shares

    0.65% of the 13F portfolio, value $14,754,328.

    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 1,211,357 shares
    Change vs previous 13F not available

    1.01% of the 13F portfolio, value $20,278,116.

    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).