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ROYCE & ASSOCIATES LP: RBBN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROYCE & ASSOCIATES LP on RBBN, newest first. How the timeline and the estimate are built.

ROYCE & ASSOCIATES LP held 5,090,927 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 5,090,927 shares
    Change vs previous 13F +211,186 shares

    0.1% of the 13F portfolio, value $11,912,769.

    13F-HR 0000906304-26-000154 filed by ROYCE & ASSOCIATES LP
    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 4,879,741 shares
    Change vs previous 13F +265,000 shares

    0.1% of the 13F portfolio, value $10,345,051.

    13F-HR 0000906304-26-000094 filed by ROYCE & ASSOCIATES LP
    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 4,614,741 shares
    Change vs previous 13F +309,271 shares

    0.13% of the 13F portfolio, value $13,290,454.

    13F-HR 0000906304-26-000037 filed by ROYCE & ASSOCIATES LP
    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 4,305,470 shares
    Change vs previous 13F +633,035 shares

    0.16% of the 13F portfolio, value $16,360,786.

    13F-HR 0000906304-25-000248 filed by ROYCE & ASSOCIATES LP
    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 3,672,435 shares
    Change vs previous 13F +580,367 shares

    0.15% of the 13F portfolio, value $14,726,464.

    13F-HR 0000906304-25-000173 filed by ROYCE & ASSOCIATES LP
    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 3,092,068 shares
    Change vs previous 13F +289,210 shares

    0.13% of the 13F portfolio, value $12,120,907.

    13F-HR 0000906304-25-000113 filed by ROYCE & ASSOCIATES LP
    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 2,802,858 shares
    Change vs previous 13F +266,580 shares

    0.11% of the 13F portfolio, value $11,659,889.

    13F-HR 0000906304-25-000062 filed by ROYCE & ASSOCIATES LP
    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 2,536,278 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $8,242,904.

    13F-HR 0000906304-24-000143 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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