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Silverberg Bernstein Capital Management LLC: RBBN position timeline

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

Silverberg Bernstein Capital Management LLC held 412,223 RBBN shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 412,223 shares
    Change vs previous 13F -6,600 shares

    0.34% of the 13F portfolio, value $725,512.

    13F-HR 0002007880-26-000006 filed by Silverberg Bernstein Capital Management LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 418,823 shares
    Change vs previous 13F -19,300 shares

    0.38% of the 13F portfolio, value $980,046.

    13F-HR 0002007880-26-000004 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 438,123 shares
    Change vs previous 13F +2,100 shares

    0.51% of the 13F portfolio, value $928,821.

    13F-HR 0002007880-26-000003 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 436,023 shares
    Change vs previous 13F +8,044 shares

    0.73% of the 13F portfolio, value $1,255,746.

    13F-HR 0002007880-26-000001 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 427,979 shares
    Change vs previous 13F +35,400 shares

    0.99% of the 13F portfolio, value $1,626,120.

    13F-HR 0002007880-25-000007 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 392,579 shares
    Change vs previous 13F +98,996 shares

    1.08% of the 13F portfolio, value $1,574,242.

    13F-HR 0002007880-25-000005 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 293,583 shares
    Change vs previous 13F -22,527 shares

    1.07% of the 13F portfolio, value $1,150,845.

    13F-HR 0002007880-25-000003 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 316,110 shares
    Change vs previous 13F not available

    1.16% of the 13F portfolio, value $1,315,018.

    13F-HR 0002007880-25-000002 filed by Silverberg Bernstein Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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