RBBN holders · CITADEL ADVISORS LLC 13F · RBBN stock
CITADEL ADVISORS LLC Ribbon Communications Inc (RBBN) 13F holding
CITADEL ADVISORS LLC reported 574,989 RBBN shares valued at $1.2M as of 2026-03-31. Share lines from that 13F summed, options excluded; value is the 13F-reported market value in US dollars, as reported on Form 13F, not a live feed.
This is the newest RBBN 13F on file for this filer CIK, and it is older than the quarter ended 2026-06-30. It is kept for history and left out of the RBBN holders table.
| Report | Shares | Value | Class |
|---|---|---|---|
| 2026-03-31 | 574,989 | $1.2M | COM |
| 2025-12-31 | 53,903 | $155.2K | COM |
| 2025-09-30 | 55,554 | $211.1K | COM |
Not investment advice. Holdings as reported on Form 13F; EDGAR is the official record.