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BlackRock, Inc.: SION position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on SION, newest first. How the timeline and the estimate are built.

BlackRock, Inc. held 1,474,769 SION shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,474,769 shares
    Change vs previous 13F +178,902 shares

    <0.01% of the 13F portfolio, value $64,875,089.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 1,295,867 shares
    Change vs previous 13F +4,268 shares

    <0.01% of the 13F portfolio, value $51,951,309.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 1,291,599 shares
    Change vs previous 13F +446,994 shares

    <0.01% of the 13F portfolio, value $53,136,382.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 844,605 shares
    Change vs previous 13F +207,501 shares

    <0.01% of the 13F portfolio, value $24,839,832.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 637,104 shares
    Change vs previous 13F +438,708 shares

    <0.01% of the 13F portfolio, value $11,053,754.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 198,396 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,075,221.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).