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Disclosery

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

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

Siren, L.L.C. held 52,000 NBIS 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 52,000 shares
    Change vs previous 13F -61,614 shares

    0.29% of the 13F portfolio, value $14,360,840.

    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 113,614 shares
    Change vs previous 13F +37,396 shares

    0.33% of the 13F portfolio, value $11,788,589.

    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 76,218 shares
    Change vs previous 13F +3,618 shares

    0.19% of the 13F portfolio, value $6,379,828.

    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 72,600 shares
    Change vs previous 13F +21,600 shares

    0.32% of the 13F portfolio, value $8,150,802.

    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 51,000 shares
    Change vs previous 13F -89,000 shares

    0.15% of the 13F portfolio, value $2,821,830.

    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 140,000 shares
    Change vs previous 13F +20,000 shares

    0.17% of the 13F portfolio, value $2,955,400.

    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 120,000 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $3,324,000.

    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).