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Disclosery

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

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

Siren, L.L.C. held 2,129,125 DYN 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 2,129,125 shares
    Change vs previous 13F -100,000 shares

    0.96% of the 13F portfolio, value $47,287,866.

    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 2,229,125 shares
    Change vs previous 13F -1,273,816 shares

    1.12% of the 13F portfolio, value $40,414,036.

    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 3,502,941 shares
    Change vs previous 13F -1,226,233 shares

    2.04% of the 13F portfolio, value $68,517,526.

    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 4,729,174 shares
    Change vs previous 13F -107,263 shares

    2.34% of the 13F portfolio, value $59,824,051.

    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 4,836,437 shares
    Change vs previous 13F +2,118,450 shares

    2.38% of the 13F portfolio, value $46,042,880.

    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 2,717,987 shares
    Change vs previous 13F +1,370,531 shares

    1.6% of the 13F portfolio, value $28,430,144.

    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 1,347,456 shares
    Change vs previous 13F +212,792 shares

    1.4% of the 13F portfolio, value $31,746,063.

    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 1,134,664 shares
    Change vs previous 13F not available

    2.04% of the 13F portfolio, value $40,757,131.

    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).