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TWO SIGMA SECURITIES, LLC: RBBN position timeline

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

TWO SIGMA SECURITIES, LLC held 10,101 RBBN 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 10,101 shares
    Change vs previous 13F -12,863 shares

    <0.01% of the 13F portfolio, value $23,636.

    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 22,964 shares
    Change vs previous 13F -7,782 shares

    0.01% of the 13F portfolio, value $48,684.

    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 30,746 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $88,548.

    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).