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BlackRock, Inc.: SERA position timeline

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

BlackRock, Inc. held 221,369 SERA 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 221,369 shares
    Change vs previous 13F +25,264 shares

    <0.01% of the 13F portfolio, value $402,891.

    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 196,105 shares
    Change vs previous 13F +9,354 shares

    <0.01% of the 13F portfolio, value $398,093.

    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 186,751 shares
    Change vs previous 13F +7,774 shares

    <0.01% of the 13F portfolio, value $550,915.

    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 178,977 shares
    Change vs previous 13F +33,698 shares

    <0.01% of the 13F portfolio, value $547,670.

    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 145,279 shares
    Change vs previous 13F -1,392,780 shares

    <0.01% of the 13F portfolio, value $402,424.

    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 1,538,059 shares
    Change vs previous 13F -26,251 shares

    <0.01% of the 13F portfolio, value $5,660,058.

    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).

  7. period ended2024-12-31
    13F 1,564,310 shares
    Change vs previous 13F +24,029 shares

    <0.01% of the 13F portfolio, value $12,733,483.

    13F-HR 0001060021-25-000002 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).

  8. period ended2024-09-30
    13F 1,540,281 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $12,014,191.

    13F-HR 0001426459-24-000006 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).