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TWO SIGMA SECURITIES, LLC: BLK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA SECURITIES, LLC on BLK, newest first. How the timeline and the estimate are built.

TWO SIGMA SECURITIES, LLC held 7,954 BLK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,954 shares
    Change vs previous 13F +7,337 shares

    0.66% of the 13F portfolio, value $7,648,248.

    13F-HR 0000899140-26-000857 filed by TWO SIGMA SECURITIES, LLC
    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 617 shares
    Change vs previous 13F -488 shares

    0.07% of the 13F portfolio, value $593,375.

    13F-HR 0000899140-26-000551 filed by TWO SIGMA SECURITIES, LLC
    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 1,105 shares
    Change vs previous 13F +1,105 shares

    0.16% of the 13F portfolio, value $1,182,726.

    13F-HR 0000899140-26-000234 filed by TWO SIGMA SECURITIES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -1,516 shares

    13F-HR 0000899140-25-000693 filed by TWO SIGMA SECURITIES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2024-12-31
    13F 1,516 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $1,554,067.

    13F-HR 0000899140-25-000279 filed by TWO SIGMA SECURITIES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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