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Disclosery

ARIZONA STATE RETIREMENT SYSTEM: RBBN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARIZONA STATE RETIREMENT SYSTEM on RBBN, newest first. How the timeline and the estimate are built.

ARIZONA STATE RETIREMENT SYSTEM held 0 RBBN shares at 2026-03-31 per its 13F-HR filed 2026-05-01.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -27,369 shares

    13F-HR 0000897069-26-000996 filed by ARIZONA STATE RETIREMENT SYSTEM
    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.

  2. period ended2025-12-31
    13F 27,369 shares
    Change vs previous 13F -1,327 shares

    <0.01% of the 13F portfolio, value $78,823.

    13F-HR 0000897069-26-000191 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 28,696 shares
    Change vs previous 13F +497 shares

    <0.01% of the 13F portfolio, value $109,045.

    13F-HR 0000897069-25-001611 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 28,199 shares
    Change vs previous 13F +559 shares

    <0.01% of the 13F portfolio, value $113,078.

    13F-HR 0000897069-25-001322 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 27,640 shares
    Change vs previous 13F -183 shares

    <0.01% of the 13F portfolio, value $108,349.

    13F-HR 0000897069-25-000898 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 27,823 shares
    Change vs previous 13F +281 shares

    <0.01% of the 13F portfolio, value $115,744.

    13F-HR 0000897069-25-000186 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 27,542 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $89,512.

    13F-HR 0000897069-24-002139 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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