Skip to content
Disclosery

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

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

Siren, L.L.C. held 44,700 TSM 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 44,700 shares
    Change vs previous 13F +2,500 shares

    0.43% of the 13F portfolio, value $21,347,379.

    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 42,200 shares
    Change vs previous 13F +14,500 shares

    0.4% of the 13F portfolio, value $14,261,490.

    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 27,700 shares
    Change vs previous 13F -500 shares

    0.25% of the 13F portfolio, value $8,417,753.

    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 28,200 shares
    Change vs previous 13F -2,300 shares

    0.31% of the 13F portfolio, value $7,875,978.

    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 30,500 shares
    Change vs previous 13F +2,000 shares

    0.36% of the 13F portfolio, value $6,907,945.

    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 28,500 shares
    Change vs previous 13F +13,500 shares

    0.27% of the 13F portfolio, value $4,731,000.

    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 15,000 shares
    Change vs previous 13F -10,000 shares

    0.13% of the 13F portfolio, value $2,962,350.

    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 25,000 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $4,341,750.

    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).